Publications

2024

Blichner, S. M.; Yli-Juuti, T.; Mielonen, T.; Pöhlker, C.; Holopainen, E.; Heikkinen, L.; Mohr, C.; Artaxo, P.; Carbone, S.; Meller, B. B.; Quaresma Dias-Júnior, C.; Kulmala, M.; Petäjä, T.; Scott, C. E.; Svenhag, C.; Nieradzik, L.; Sporre, M.; Partridge, D. G.; Tovazzi, E.; Virtanen, A.; Kokkola, H.; Riipinen, I.: Process-evaluation of forest aerosol-cloud-climate feedback shows clear evidence from observations and large uncertainty in models, Nature communications Vol. 15(1), https://doi.org/10.1038/s41467-024-45001-y, 2024

Boyer, M., Aliaga, D., Quéléver, L. L. J., Bucci, S., Angot, H., Dada, L., Heutte, B., Beck, L., Duetsch, M., Stohl, A., Beck, I., Laurila, T., Sarnela, N., Thakur, R. C., Miljevic, B., Kulmala, M., Petäjä, T., Sipilä, M., Schmale, J., and Jokinen, T.: The annual cycle and sources of relevant aerosol precursor vapors in the central Arctic during the MOSAiC expedition, Atmos. Chem. Phys., 24, 12595–12621, https://doi.org/10.5194/acp-24-12595-2024, 2024.

Brasseur, Z., Schneider, J., Lampilahti, J., Vakkari, V., Sinclair, V. A., Williamson, C. J., Xavier, C., Moisseev, D., Hartmann, M., Poutanen, P., Lampimäki, M., Kulmala, M., Petäjä, T., Lehtipalo, K., Thomson, E. S., Höhler, K., Möhler, O., and Duplissy, J.: Vertical distribution of ice nucleating particles over the boreal forest of Hyytiälä, Finland, Atmos. Chem. Phys., 24, 11305–11332, https://doi.org/10.5194/acp-24-11305-2024 , 2024.

Cai, R., Mikkilä, J., Bengs, A., Koirala, M., Mikkilä, J., Holm, S., Juuti, P., Meder, M., Partovi, F., Shcherbinin, A., Worsnop, D., Ehn, M. and Kangasluoma, J.: Extending the Range of Detectable Trace Species with the Fast Polarity Switching of Chemical Ionization Orbitrap Mass Spectrometry, Analytical Chemistry Vol. 96(21), pp. 8604-8612 https://doi.org/10.1021/acs.analchem.4c00650, 2024.

Ciarelli, G., Tahvonen, S., Cholakian, A., Bettineschi, M., Vitali, B., Petäjä, T., and Bianchi, F.: On the formation of biogenic secondary organic aerosol in chemical transport models: an evaluation of the WRF-CHIMERE (v2020r2) model with a focus over the Finnish boreal forest, Geosci. Model Dev., 17, 545–565, https://doi.org/10.5194/gmd-17-545-2024, 2024.

Finkenzeller, H., Mikkilä, J., Righi, C., Juuti, P., Sipilä, M., Rissanen, M., Worsnop, D., Shcherbinin, A., Sarnela, N., and Kangasluoma, J.: Multiphysical description of atmospheric pressure interface chemical ionisation in MION2 and Eisele type inlets, Atmos. Meas. Tech., 17, 5989–6001, https://doi.org/10.5194/amt-17-5989-2024, 2024.

Fung, P. L.; Savadkoohi, M.; Zaidan, M. A.; Niemi, J. V.; Timonen, H.; Pandolfi, M.; Alastuey, A.; Querol, X.; Hussein, T.; Petäjä, T.: Constructing transferable and interpretable machine learning models for black carbon concentrations, Environment international, Vol. 184, https://doi.org/10.1016/j.envint.2024.108449, 2024

Fung, P. L., Savadkoohi, M., Zaidan, M. A., Niemi, J. V., Timonen, H., Pandolfi, M., Alastuey, A., Querol, X., Hussein, T., and Petäjä, T.: Constructing transferable and interpretable machine learning models for black carbon concentrations. Environment International, 184, 108449. https://doi.org/10.1016/j.envint.2024.108449, 2024.

Garcia-Marlès, M.; Lara, R.; Reche, C.; Pérez, N.; Tobías, A.; Savadkoohi, M.; Beddows, D.; Salma, I.; Vörösmarty, M.; Weidinger, T.; Hueglin, C.; Mihalopoulos, N.; Grivas, G.; Kalkavouras, P.; Ondráček, J.; Zíková, N.; Niemi, J. V.; Manninen, H. E.; Green, D. C.; Tremper, A. H.; Norman, M.; Vratolis, S.; Eleftheriadis, K.; Gómez-Moreno, F. J.; Alonso-Blanco, E.; Wiedensohler, A.; Weinhold, K.; Merkel, M.; Bastian, S.; Hoffmann, B.; Altug, H.; Petit, J.-E.; Favez, O.; Dos Santos, S. M.; Putaud, J.-P.; Dinoi, A.; Contini, D.; Timonen, H.; Lampilahti, J.; Petäjä, T.; Pandolfi, M.; Hopke, P. K.; Harrison, R. M.; Alastuey, A.; Querol, X.: Inter-annual trends of ultrafine particles in urban Europe, Environmental international Vol. 185, https://doi.org/10.1016/j.envint.2024.108510, 2024

Garmash, O., Ezhova, E., Arshinov, M., Belan, B., Lampilahti, A., Davydov, D., Räty, M., Aliaga, D., Baalbaki, R., Chan, T., Bianchi, F., Kerminen, V.-M., Petäjä, T. and Kulmala, M.: Heatwave reveals potential for enhanced aerosol formation in Siberian boreal forest, Environmental Research Letters Vol. 19(1) https://doi.org/10.1088/1748-9326/ad10d5, 2024.

Hao, L., Li, Z., Yli-Juuti, T., Ylisirniö, A., Pullinen, I., Miettinen, P., Xu, W., Lehto, V.-P., Worsnop, D. R., Virtanen, A.: Direct mitigation of secondary organic aerosol particulate pollutants by multiphase photocatalysis. Science of the Total Environment, 923, 171323, https://doi.org/10.1016/j.scitotenv.2024.171323, 2024.

Harni, S. D., Aurela, M., Saarikoski, S., Niemi, J. V., Portin, H., Manninen, H., Leinonen, V., Aalto, P., Hopke, P. K., Petäjä, T., Rönkkö, T., and Timonen, H.: Source apportionment of particle number size distribution at the street canyon and urban background sites, Atmos. Chem. Phys., 24, 12143–12160, https://doi.org/10.5194/acp-24-12143-2024, 2024.

Hartikainen A. H., Basnet, S., Yli-Pirilä, P., Ihalainen, M., Talvinen, S., Tissari, J., Mikkonen, S., Zimmermann, R., and Sippula, O.: Resolving emission factors and formation pathways of organic gaseous compounds from residential combustion of European brown coal
Combustion and Flame, 265, 113485, doi:10.1016/j.combustflame.2024.113485, 2024.

Heikkinen, L., Partridge, D. G., Blichner, S., Huang, W., Ranjan, R., Bowen, P., Tovazzi, E., Petäjä, T., Mohr, C., and Riipinen, I.: Cloud response to co-condensation of water and organic vapors over the boreal forest, Atmos. Chem. Phys., 24, 5117–5147, https://doi.org/10.5194/acp-24-5117-2024, 2024.

Hellén, H.; Kouznetsov, R.; Kraft, K.; Seppälä, J.; Vestenius, M.; Jalkanen, J.-P.; Laakso, L.; Hakola, H.: Shipping and algae emissions have a major impact on ambient air mixing ratios of non-methane hydrocarbons (NMHCs) and methanethiol on Utö Island in the Baltic Sea, Atmospheric chemistry and physics, https://doi.org/10.5194/acp-24-4717-2024, 2024.

Hellén, H., Tykkä, T., Schallhart, S., Stratigou, E., Salameh, T., and Iturrate-Garcia, M.: Measurements of atmospheric C10–C15 biogenic volatile organic compounds (BVOCs) with sorbent tubes, Atmos. Meas. Tech., 17, 315–333, https://doi.org/10.5194/amt-17-315-2024, 2024.

Huang, W., Junninen, H., Garmash, O., Lehtipalo, K., Stolzenburg, D., Lampilahti, J., Ezhova, E., Schallhart, S., Rantala, P., Aliaga Badani, D. A., Ahonen, L., Sulo, J., Quéléver, L., Cai, R., Alekseychik, P., Buenrostro Mazon, Stephany N., Yao, L., Blichner, S. M.., Zha, Q., Mammarella, I., Kirkby, J., Kerminen, V.-M., Worsnop, D., Kulmala, M. and Bianchi, F.: Potential pre-industrial–like new particle formation induced by pure biogenic organic vapors in Finnish peatland, Science Advances Vol. 10(14) https://doi.org/10.1126/sciadv.adm9191, 2024.

Huang, W., Wu, C., Gao, L., Gramlich, Y., Haslett, S. L., Thornton, J., Lopez-Hilfiker, F. D., Lee, B. H., Song, J., Saathoff, H., Shen, X., Ramisetty, R., Tripathi, S. N., Ganguly, D., Jiang, F., Vallon, M., Schobesberger, S., Yli-Juuti, T., and Mohr, C.: Variation in chemical composition and volatility of oxygenated organic aerosol in different rural, urban, and mountain environments, Atmos. Chem. Phys., 24, 2607–2624, https://doi.org/10.5194/acp-24-2607-2024, 2024.

Kommula, S. M.; Buchholz, A.; Gramlich, Y.; Mielonen, T.; Hao, L.; Pullinen, I.; Vettikkat, L.; Ylisirniö, A.; Joutsensaari, J.; Schobesberger, S.; Tiitta, P.; Leskinen, A.; Rees, D. Hesslin‐; Haslett, S. L.; Siegel, K.; Lunder, C.; Zieger, P.; Krejci, R.; Romakkaniemi, S.; Mohr, C.; Virtanen, A.: Effect of Long‐Range Transported Fire Aerosols on Cloud Condensation Nuclei Concentrations and Cloud Properties at High Latitudes, Geophysical research letters, https://doi.org/10.1029/2023GL107134, 2024.

Kulmala, M., Ke, P., Lintunen, A., Peräkylä, O., Lohtander, A., Tuovinen, S., Lampilahti, J., Kolari, P., Schiestl-Aalto, P., Kokkonen, T., Nieminen, T., Dada, L., Ylivinkka, I., Petäjä, T., Bäck, J., Lohila, A., Heimsch, L., Ezhova, E., Kerminen. V.-M.: A novel concept for assessing the potential of different boreal ecosystems to mitigate climate change (CarbonSink+ potential). Boreal Environment Research, 29(1-6), 1-16, 2024.

Laj, P., Lund Myhre, C., Riffault, V., Amiridis, V., Fuchs, H., Eleftheriadis, K., Petäjä, T., Salameh, T., Kivekäs, N., Juurola, E., Saponaro, G., Philippin, S., Cornacchia, C., Alados Arboledas, L., Baars, H., Claude, A., De Mazière, M., Dils, B., Dufresne, M., Evangeliou, N., Favez, O., Fiebig, M., Haeffelin, M., Herrmann, H., Höhler, K., Illmann, N., Kreuter, A., Ludewig, E., Marinou, E., Möhler, O., Mona, L., Eder Murberg, L., Nicolae, D., Novelli, A., O’Connor, E., Ohneiser, K., Petracca Altieri, R. M., Picquet-Varrault, B., van Pinxteren, D., Pospichal, B., Putaud, J., Reimann, S., Siomos, N., Stachlewska, I., Tillmann, R., Voudouri, K. A., Wandinger, U., Wiedensohler, A., Apituley, A., Comerón, A., Gysel-Beer, M., Mihalopoulos, N., Nikolova, N., Pietruczuk, A., Sauvage, S., Sciare, J., Skov, H., Svendby, T., Swietlicki, E., Tonev, D., Vaughan, G., Zdimal, V., Baltensperger, U., Doussin, J., Kulmala, M., Pappalardo, G., Sorvari Sundet, S., and Vana, M.: Aerosol, Clouds and Trace Gases Research Infrastructure (ACTRIS): The European Research Infrastructure Supporting Atmospheric Science. Bull. Amer. Meteor. Soc., 105, E1098–E1136, https://doi.org/10.1175/BAMS-D-23-0064.1, 2024.

Le, V., Lobo, H., O'Connor, E. J., and Vakkari, V.: Long-term aerosol particle depolarization ratio measurements with HALO Photonics Doppler lidar, Atmos. Meas. Tech., 17, 921–941, https://doi.org/10.5194/amt-17-921-2024, 2024.

Leinonen, V., Olin, M., Martikainen, S., Mäkinen, U. V., Mikkonen, S., Karjalainen, P.: Dataset of vehicle chase measurements in real-world subfreezing winter conditions, Data in Brief, 54, https://doi.org/10.1016/j.dib.2024.110481, 2024.

Lepistö, T., Lintusaari, H., Salo, L., Silvonen, V., Barreira, L. M. F., Hoivala, J., Markkula, L., Niemi, J. V., Ondracek, J., Teinilä, K., Manninen, H. E., Saarikoski, S., Timonen, H., Dal Maso, M., and Rönkkö, T.: Comparison of size distribution and electrical particle sensor measurement methods for particle lung deposited surface area (LDSAal) in ambient measurements with varying conditions, Aerosol Research, 2, 271–289, https://doi.org/10.5194/ar-2-271-2024, 2024.

Li X., Li H., Yao L., Stolzenburg D., Sarnela N., Vettikkat L., de Jonge R.W., Baalbaki R., Uusitalo H., Kontkanen J., Lehtipalo K., Daellenback K.R., Jokinen T., Aalto J., Keronen P., Schobesberger S., Nieminen T., Petäjä T., Kerminen V.-M., Bianchi F., Kulmala M., and Dada L.: Over 20 years of observations in the boreal forest reveal a decreasing trend of atmospheric new particle formation. Boreal Env. Res. 29: 25–52, 2024.

Liu, X., Concas, F., Motlagh, N. H., Zaidan, M. A., Fung, P. L., Varjonen, S., Niemi, J., Timonen, H., Hussein, T., Petäjä, T., Kulmala, M., Nurmi, P., and Tarkoma, S.: Estimating Black Carbon Levels With Proxy Variables and Low-Cost Sensors," in IEEE Internet of Things Journal, doi: 10.1109/JIOT.2024.3361977, 2024.

Mahura, A., Baklanov, A., Makkonen, R., Boy, M., Petäjä, T., Lappalainen, H. K., Nuterman, R.; Kerminen, V.-M.; Arnold, S. R.; Jochum, M.; Shvidenko, A.; Esau, I.; Sofiev, M.; Stohl, A.; Aalto, T.; Bai, J.; Chen, C.; Cheng, Y.; Drofa, O.; Huang, M.; Järvi, L.; Kokkola, H.; Kouznetsov, R.; Li, T.; Malguzzi, P.; Monks, S.; Poulsen, M. B.; Noe, S. M.; Palamarchuk, Y.; Foreback, B.; Clusius, P.; Rasmussen, T. A. S.; She, J.; Sørensen, J. H.; Spracklen, D.; Su, H.; Tonttila, J.; Wang, S.; Wang, J.; Wolf-Grosse, T.; Yu, Y.; Zhang, Q.; Zhang, W.; Zhang, W.; Zheng, X.; Li, S.; Li, Y.; Zhou, P.; Kulmala, M.: Towards seamless environmental prediction – development of Pan-Eurasian EXperiment (PEEX) modelling platform. Big Earth Data, 8(2), 189–230. https://doi.org/10.1080/20964471.2024.2325019, 2024.

Mukherjee A., Hartikainen, A., Joutsensaari, J., Basnet, S., Mesceriakovas, A., Ihalainen, M., Yli-Pirilä, P., Leskinen, J., Somero, M., Louhisalmi, J., Fang, Z., Kalberer, M., Rudich, Y., Tissari, J., Czech, H., Zimmermann, R., and Sippula, O. Black carbon and particle lung-deposited surface area in residential wood combustion emissions: effects of an electrostatic precipitator and photochemical ageing, Science of the Total Environment, 952, 175840, doi:10.1016/j.scitotenv.2024.175840, 2024.

Rowell, A., Brean, J., Beddows, D. C. S., Petäjä, T., Vörösmarty, M., Salma, I., Niemi, J. V., Manninen, H. E., van Pinxteren, D., Tuch, T., Weinhold, K., Shi, Z., and Harrison, R. M.: Insights into the sources of ultrafine particle numbers at six European urban sites obtained by investigating COVID-19 lockdowns, Atmos. Chem. Phys., 24, 9515–9531, https://doi.org/10.5194/acp-24-9515-2024, 2024.

Savadkoohi, M., Pandolfi, M., Favez, O., Putaud, J.-P., Eleftheriadis, K., Fiebig, M., Hopke, PhilipK.., Laj, P., Wiedensohler, A., Alados-Arboledas, L., Bastian, S., Chazeau, B., María, Á. C., Colombi, C., Costabile, F., Green, D. C.., Hueglin, C., Liakakou, E., Luoma, K., Listrani, S., Mihalopoulos, N., Marchand, N., Mov cnik, G., Niemi, JarkkoV.., Ondrácek, J., Petit, J.-E., Rattigan, O. V., Reche, C., Timonen, H., Titos, G., Tremper, A. H., Vratolis, S., Vodicka, P., Funes, E. Y., Zíková, N., Harrison, R. M., Petäjä, T., Alastuey, A. and Querol, X.: Recommendations for reporting equivalent black carbon (eBC) mass concentrations based on long-term pan-European in-situ observations, Environment International Vol. 185 https://doi.org/10.1016/j.envint.2024.108553, 2024.

Sulo, J., Enroth, J., Pajunoja, A., Vanhanen, J., Lehtipalo, K., Petäjä, T., and Kulmala, M.: Pushing nano-aerosol measurements towards a new decade – technical note on the Airmodus particle size magnifier 2.0, Aerosol Research, 2, 13-20, https://doi.org/10.5194/ar-2-13-2024, 2024.

Zhang, J., Zhao, J., Wollesen de Jonge, R., Sarnela, N., Roldin, P., Ehn, M.: Evaluating the Applicability of a Real-Time Highly Oxygenated Organic Molecule (HOM)-Based Indicator for Ozone Formation Sensitivity at a Boreal Forest Station, Environ. Sci. Technol. Lett. 2024, 11, 11, 1227–1232, https://doi.org/10.1021/acs.estlett.4c00733, 2024.

2023

Barreira, L. M. F., Lepistö, T., Salo, L., Helin, A., Aurela, M., Saarikoski, S., Kuittinen, N., Rönkkö, T. & Timonen, H.: Comprehensive characterization of wintertime submicron aerosol in a Nordic town influenced by residential wood combustion, traffic and industrial sources, Atmospheric Pollution Research. 14, 8, 101835.

Boyer, M., Aliaga, D., Pernov, J. B., Angot, H., Quéléver, L. L. J., Dada, L., Heutte, B., Dall'Osto, M., Beddows, D. C. S., Brasseur, Z., Beck, I., Bucci, S., Duetsch, M., Stohl, A., Laurila, T., Asmi, E., Massling, A., Thomas, D. C., Nøjgaard, J. K., Chan, T., Sharma, S., Tunved, P., Krejci, R., Hansson, H. C., Bianchi, F., Lehtipalo, K., Wiedensohler, A., Weinhold, K., Kulmala, M., Petäjä, T., Sipilä, M., Schmale, J., and Jokinen, T.: A full year of aerosol size distribution data from the central Arctic under an extreme positive Arctic Oscillation: insights from the Multidisciplinary drifting Observatory for the Study of Arctic Climate (MOSAiC) expedition, Atmos. Chem. Phys., 23, 389–415, https://doi.org/10.5194/acp-23-389-2023, 2023.

Brean, J., Beddows, D. C. S., Harrison, R. M., Song, C., Tunved, P., Ström, J., Krejci, R., Freud, E., Massling, A., Skov, H., Asmi, E., Lupi, A., and Dall'Osto, M.: Collective geographical ecoregions and precursor sources driving Arctic new particle formation. Atmos. Chem. Phys., 23, 2183–2198, https://doi.org/10.5194/acp-23-2183-2023, 2023.

Castarède, D., Brasseur, Z., Wu, Y., Kanji, Z.,Hartmann, M., Ahonen, L.,  Bilde, M., Kulmala, M., Petäjä, T., Pettersson, J.B.C., Sierau, B., Stetzer, O., Stratmann, F., Svenningsson, B., Swietlicki, E., Nguyen, Q.T., Duplissy, J. and Thompson, E.: Development of the Portable Ice Nucleation Chamber 2 (PINCii), Atmos. Meas. Tech., 16, 3881–3899, https://doi.org/10.5194/amt-16-3881-2023, 2023.

Dada, L., Okuljar, M., Shen, J., Olin, M., Wu, Y., Heimsch, L., Herlin, I., Kankaanrinta, S., Lampimäki, M., Kalliokoski, J., Baalbaki, R., Lohila, A., Petäjä, T., Dal Maso, M., Duplissy, J., Kerminen, V-M. & Kulmala, M.,: The synergistic role of sulfuric acid, ammonia and organics in particle formation over an agricultural land, Environmental science: atmospheres, 3, 8, 1195-1211, https://doi.org/10.1039/D3EA00065F, 2023.

Doulgeris, K. M., Vakkari, V., O'Connor, E. J., Kerminen, V.-M., Lihavainen, H., and Brus, D.: Influence of air mass origin on microphysical properties of low-level clouds in a subarctic environment. Atmos. Chem. Phys., 23, 2483–2498. https://doi.org/10.5194/acp-23-2483-2023, 2023.

Fdez-Arroyabe, P., Salcines, C., Santurtún, A., Setién, I., Kassomenos, P. and Petäjä, T.: Methodology to measure atmospheric nanoparticles charge, MethodsX, 10, 102148, https://doi.org/10.1016/j.mex.2023.102148, 2023.

Filioglou, M., Leskinen, A., Vakkari, V., O’Connor, E., Tuononen, M., Tuominen, P., Laukkanen, S., Toiviainen, L., Saarto, A., Shang, X., Tiitta, P., and Komppula, M.: Spectral dependence of birch and pine pollen optical properties using a synergy of lidar instruments, Atmos. Chem. Phys., 23, 9009–9021, https://doi.org/10.5194/acp-23-9009-2023, 2023.

Friman, M., Aurela, M., Saarnio, K., Teinilä, K., Kesti, J., Harni, S.D., Saarikoski, S., Hyvärinen, A., and Timonen, H.: Long-term characterization of organic and elemental carbon at three different background areas in northern Europe, Atmospheric Environment, 30, 119953. https://doi.org/10.1016/j.atmosenv.2023.119953, 2023.

Graeffe, F., Heikkinen, L., Garmash, O., Äijälä, M., Allan, J., Feron, A., Cirtog, M., Petit, J.-E., Bonnaire, N., Lambe, A., Favez, O., Albinet, A., Williams, L. R., and Ehn, M.: Detecting and Characterizing Particulate Organic Nitrates with an Aerodyne Long-ToF Aerosol Mass Spectrometer. ACS Earth Space Chem., 7, 1, 230–242. https://doi.org/10.1021/acsearthspacechem.2c00314, 2023.

Hakkarainen, H., Järvinen, A., Lepistö, T., Salo, L., Kuittinen, N., Laakkonen, E., Yang, M., Martikainen, M. V., Saarikoski, S., Aurela, M., Barreira, L., Teinilä, K., Ihalainen, M., Aakko-Saksa, P., Timonen, H., Rönkkö, T. & Jalava, P.: Toxicity of exhaust emissions from high aromatic and non-aromatic diesel fuels using in vitro ALI exposure system, Science of the Total Environment. 890, 164215, https://doi.org/10.1016/j.scitotenv.2023.164215, 2023.

Hakola H, Taipale D, Praplan A, Schallhart S, Thomas S, Tykkä T, Helin A, Bäck J and Hellén H.: Emissions of volatile organic compounds from Norway spruce and potential atmospheric impacts. Front. For. Glob. Change 6, 1116414, https://doi.org/10.3389/ffgc.2023.1116414, 2023.

Harni, S.D., Aurela, M., Saarikoski, S., Niemi, J.V., Portin, H., Manninen, H., Leinonen, V., Aalto, P., Hopke, P., Petäjä, T., Rönkkö, T. and Timonen, H.: Source apportionment of particle number size distribution at the street canyon and urban background sites, EGUsphere, https://doi.org/10.5194/egusphere-2023-2428, 2023.

Harni, S. D., Saarikoski, S., Kuula, J., Helin, A., Aurela, M., Niemi, J. V., Kousa, A., Rönkkö, T. & Timonen, H.: Effects of emission sources on the particle number size distribution of ambient air in the residential area, Atmospheric Environment. 293, 119419, https://doi.org/10.1016/j.atmosenv.2022.119419, 2023.

Hartikainen A. H., M. Ihalainen, P. Yli-Pirilä, L. Hao, M. Kortelainen, S. M. Pieber, O. Sippula: Photochemical transformation and secondary aerosol formation potential of Euro6 gasoline and diesel passenger car exhaust emissions. J. Aerosol Sci., 171, 106159, doi:10.1016/j.jaerosci.2023.106159, 2023.

Järvi, L, Kurppa, M., Kuuluvainen, H., Rönkkö, T., Karttunen, S., Balling, A., Timonen, H., Niemi, J. V., and Pirjola, L.: Determinants of spatial variability of air pollutant concentrations in a street canyon network measured using a mobile laboratory and a drone. Science of The Total Environment, 856, 158974, https://doi.org/10.1016/j.scitotenv.2022.158974, 2023.

Kangasniemi, O., Simonen, P., Moldanová, J., Timonen, H., Barreira, L. M. F., Hellén, H., Jalkanen, J. P., Majamäki, E., D’Anna, B., Lanzafame, G., Temime-Roussel, B., Mellqvist, J., Keskinen, J. & Dal Maso, M.: Volatility of a Ship’s Emissions in the Baltic Sea Using Modelling and Measurements in Real-World Conditions, Atmosphere. 14, 7, 1175, https://doi.org/10.3390/atmos14071175, 2023.

Karjalainen, P., Leinonen, V., Olin, M., Vesisenaho, K., Marjanen, P., Järvinen, A., Simonen, P., Markkula, L., Kuuluvainen, H., Keskinen, J. & Mikkonen, S.: Real-world emissions of nanoparticles, particulate mass and black carbon from a plug-in hybrid vehicle compared to conventional gasoline vehicles, Environmental Advances. 15, 100454, https://doi.org/10.1016/j.envadv.2023.100454, 2023.

Karnezi, E.; Heikkinen, L.; Kulmala, M.; Pandis, S.N. : Simulating Atmospheric Organic Aerosol in the Boreal Forest Using Its Volatility-Oxygen Content Distribution. Atmosphere 2023, 14, 763. https://doi.org/10.3390/atmos14050763, 2023.

Khadir, T, Riipinen, I., Talvinen, S., Heslin-Rees, D., Pöhlker, C., Rizzo, L., Machado, L., Franco, M., Leslie A. Kremper, Artaxo, P., Petäjä, T., Kulmala, M., Tunved, P., Ekman A. M. L., Krejci, R., & Virtanen, A.: Sink, source or something in-between? Net effects of precipitation on aerosol particle populations. Geophys. Res. Lett., 50, doi:10.1029/2023GL104325, 2023.

Kulmala M., Cai R., Ezhova E., Deng C., Stolzenburg D., Dada L., Guo Y., Yan C., Peräkylä O., Lintunen A., Nieminen T., Kokkonen T. V., Sarnela N., Petäjä T. & Kerminen V.-M.: Direct link between the characteristics of atmospheric new particle formation and Continental Biosphere-Atmosphere-Cloud-Climate (COBACC) feedback loop. Boreal Env. Res. 28: 1–13, https://www.borenv.net/BER/archive/pdfs/ber28/ber28-001-013.pdf, 2023.

Kulmala, M., Kokkonen, T., Ezhova, E., Baklanov, A., Mahura, A., Mammarella, I., Bäck, J., Lappalainen, H. K., Tyuryakov, Kerminen, V.-M., Zilitinkevich, S., and Petäjä, T.: Aerosols, Clusters, Greenhouse Gases, Trace Gases and Boundary-Layer Dynamics: on Feedbacks and Interactions. Boundary-Layer Meteorol., 186, 475–503, https://doi.org/10.1007/s10546-022-00769-8, 2023.

Kulmala, M., Lintunen, A., Lappalainen, H., Virtanen, A., Yan, C., Ezhova, E., Nieminen, T., Riipinen, I., Makkonen, R., Tamminen, J., Sundström, A.-M., Arola, A., Hansel, A., Lehtinen, K., Vesala, T., Petäjä, T., Bäck, J., Kokkonen, T. and Kerminen, V.-M.: Opinion: The strength of long-term comprehensive observations to meet multiple grand challenges at different environments and in the atmosphere, Atmos. Chem. Phys., 23, 14949–14971, https://doi.org/10.5194/acp-23-14949-2023, 2023.

Lampimäki, M., Baalbaki, R., Ahonen, L., Korhonen, F., Cai, R., Chan, T., Stolzenburg, D., Petäjä, T., Kangasluoma, J., Vanhanen, J., and Lehtipalo, K.: Novel aerosol diluter – Size dependent characterization down to 1 nm particle size. J. Aerosol Sci., 172, 106180, https://doi.org/10.1016/j.jaerosci.2023.106180, 2023.

Leinonen, V., Olin, M., Martikainen, S., Karjalainen, P., and Mikkonen, S.: Challenges and solutions in determining dilution ratios and emission factors from chase measurements of passenger vehicles, Atmos. Meas. Tech., 16, 5075–5089, https://doi.org/10.5194/amt-16-5075-2023, 2023. 

Lepistö, T., Barreira, L. M. F., Helin, A., Niemi, J. V., Kuittinen, N., Lintusaari, H., Silvonen, V., Markkula, L., Manninen, H. E., Timonen, H., Jalava, P., Saarikoski, S. & Rönkkö, T.: Snapshots of wintertime urban aerosol characteristics: Local sources emphasized in ultrafine particle number and lung deposited surface area, Environmental research. 231, 116068, https://doi.org/10.1016/j.envres.2023.116068, 2023.

Lepistö, T., Lintusaari, H., Oudin, A., Barreira, L. M. F., Niemi, J. V., Karjalainen, P., Salo, L., Silvonen, V., Markkula, L., Hoivala, J., Marjanen, P., Martikainen, S., Aurela, M., Reyes, F. R., Oyola, P., Kuuluvainen, H., Manninen, H. E., Schins, R. P. F., Vojtisek-Lom, M., Ondracek, J., & al : Particle lung deposited surface area (LDSAal) size distributions in different urban environments and geographical regions: Towards understanding of the PM2.5 dose–response, Environment International. 180, 108224, https://doi.org/10.1016/j.envint.2023.108224, 2023.

Li, X., Li, H., Yao, L., Stolzenburg, D., Sarnela, N., Vettikkat, L., Wollesen de Jonge, R., Baalbaki, R., Uusitalo, H., Kontkanen, J., Lehtipalo, K., Daellenbach, K.R., Jokinen, T., Aalto, J., Keronen, P., Schobesberger, S., Nieminen, T., Petäjä, T., Kerminen, V.-M., Bianchi, F., Kulmala, M. and Dada, L.: Over 20 years of observations in the boreal forest reveal a decreasing trend of atmospheric new particle formation in the boreal forest, Boreal Environ. Res. 29, 35-52, 2024.

Lintunen A., Aalto J., Asmi A., Aurela M., Bäck J., Ehn M., Ezhova E., Hakola H., Hartonen K., Heinonsalo J., Hellén H., Hölttä T., Jokinen T., Järvi L., Järvinen H., Kangasluoma J., Kerminen V.-M., Kolari P., Köster K., Köster E., Kulmala L., Kurten T., Laaksonen A., Lappalainen H.K., Laurila T., Lehtipalo K., Lihavainen H., Lohila A., Losoi M., Mäkelä A., Makkonen R., Mammarella I., Mikkonen S., Moisseev D., Ojala A., Petäjä T., Pihlatie M., Porcar-Castell A., Praplan A. P., Pulliainen J., Pumpanen J., Rantala P., Riekkola M.-L., Rissanen K., Romakkaniemi S., Ruiz-Jimenez J., Sarnela N., Schallhart S., Schiestl-Aalto P., Rinne J., Tuittila E.-S., Vehkamäki H., Vesala T., Viisanen Y., Virtanen A., Ylivinkka I., Hari P. & Kulmala M.: The Center of Excellence in Atmospheric Science (2002–2019) — from molecular and biological processes to the global climate. Boreal Env. Res. 28: 15–80, https://www.borenv.net/BER/archive/pdfs/ber28/ber28-015-080.pdf, 2023.

Lintusaari, H., Kuuluvainen, H., Vanhanen, J., Salo, L., Portin, H., Järvinen, A., Juuti, P., Hietikko, R., Teinilä, K., Timonen, H., Niemi, J. V. & Rönkkö, T.: Sub-23 nm Particles Dominate Non-Volatile Particle Number Emissions of Road Traffic, Environmental Science and Technology. 57, 29, p. 10763-10772, https://doi.org/10.1021/acs.est.3c03221, 2023.

Liu, X., Hadiatullah, H., Zhang, X., Trechera, P., Savadkoohi, M., Garcia-Marlès, M., Reche, C., Pérez, N., Beddows, D. C. S., Salma, I., Thén, W., Kalkavouras, P., Mihalopoulos, N., Hueglin, C., Green, D. C., Tremper, A. H., Chazeau, B., Gille, G., Marchand, N., Niemi, J. V., Manninen, H. E., Portin, H., Zikova, N., Ondracek, J., Norman, M., Gerwig, H., Bastian, S., Merkel, M., Weinhold, K., Casans, A., Casquero-Vera, J. A., Gómez-Moreno, F. J.,  Artíñano, B., Gini, M., Diapouli, E., Crumeyrolle, S., Riffault, V., Petit, J.-E., Favez, O., Putaud, J.-P., Dos Santos, S. M., Timonen, H., Aalto, P. P., Hussein, T., Lampilahti, J., Hopke, P. K., Wiedensohler, A., Harrison, R. M., Petäjä, T., Pandolfi, M., Alastuey, A. and Querol, X.: Ambient air particulate total lung deposited surface area (LDSA) levels in urban Europe, Sci Total Environ., 898, 165466, https://doi.org/10.1016/j.scitotenv.2023.165466, 2023.

Mussalo, L., Avesani, S., Shahbaz, M. A., Závodná, T., Saveleva, L., Järvinen, A., Lampinen, R., Belaya, I., Krejčík, Z., Ivanova, M., Hakkarainen, H., Kalapudas, J., Penttilä, E., Löppönen, H., Koivisto, A. M., Malm, T., Topinka, J., Giugno, R., Aakko-Saksa, P., Chew, S., et al: Emissions from modern engines induce distinct effects in human olfactory mucosa cells, depending on fuel and aftertreatment, Science of the Total Environment. 905, 167038, https://doi.org/10.1016/j.scitotenv.2023.167038, 2023.

Okuljar, M., Garmash, O., Olin, M., Kalliokoski, J., Timonen, H., Niemi, J.V., Paasonen, P., Kontkanen, J., Zhang, Y., Hellén, H., Kuuluvainen, H., Aurela, M., Manninen, H.E., Sipilä, M., Rönkkö, T., Petäjä, T., Kulmala, M., Dal Maso, M. and Ehn, M.: Influence of anthropogenic emissions on the composition of highly oxygenated organic molecules in Helsinki: a street canyon and urban background station comparison, Atmos. Chem. Phys., 23, 12965–12983, https://doi.org/10.5194/acp-23-12965-2023, 2023.

Olin, M., Leinonen, V., Martikainen, S., Mäkinen, U. V., Oikarinen, H., Mikkonen, S. & Karjalainen, P.: Engine preheating under real-world subfreezing conditions provides less than expected benefits to vehicle fuel economy and emission reduction for light-duty vehicles, Applied Energy. 351, 121805, https://doi.org/10.1016/j.apenergy.2023.121805, 2023.

Olin, M., Oikarinen, H., Marjanen, P., Mikkonen, S. & Karjalainen, P: High Particle Number Emissions Determined with Robust Regression Plume Analysis (RRPA) from Hundreds of Vehicle Chases, Environmental Science and Technology. 57, 8911-8920, https://doi.org/10.1021/acs.est.2c08198, 2023.

Pentikäinen, P., O'Connor, E. J., and Ortiz-Amezcua, P.: Evaluating wind profiles in a numerical weather prediction model with Doppler lidar. Geosci. Model Dev., 16, 2077–2094, https://doi.org/10.5194/gmd-16-2077-2023, 2023.

Putaud, J.-P., Pisoni, E., Mangold, A., Hueglin, C., Sciare, J., Pikridas, M., Savvides, C., Ondracek, J., Mbengue, S., Wiedensohler, A., Weinhold, K., Merkel, M., Poulain, L., van Pinxteren, D., Herrmann, H., Massling, A., Nordstroem, C., Alastuey, A., Reche, C., Pérez, N., Castillo, S., Sorribas, M., Adame, J. A., Petäjä, T., Lehtipalo, K., Niemi, J., Riffault, V., de Brito, J. F., Colette, A., Favez, O., Petit, J.-E., Gros, V., Gini, M. I., Vratolis, S., Eleftheriadis, K., Diapouli, E., Denier van der Gon, H., Yttri, K. E., and Aas, W.: Impact of 2020 COVID-19 lockdowns on particulate air pollution across Europe, Atmos. Chem. Phys., 23, 10145–10161, https://doi.org/10.5194/acp-23-10145-2023, 2023.

Pusfitasari, E. D., Ruiz-Jimenez, J., Tiusanen, A., Suuronen, M., Haataja, J., Wu, Y., Kangasluoma, J., Luoma, K., Petäjä, T., Jussila, M., Hartonen, K., and Riekkola, M.-L.: Vertical profiles of volatile organic compounds and fine particles in atmospheric air by using an aerial drone with miniaturized samplers and portable devices. Atmos. Chem. Phys., 23, 5885–5904. https://doi.org/10.5194/acp-23-5885-2023, 2023.

Rusanen, A., Hõrrak, K., Ahonen, L. R., Nieminen, T., Aalto, P. P., Kolari, P., Kulmala, M., Petäjä, T., and Junninen, H.: SMEARcore – modular data infrastructure for atmospheric measurement stations. Atmos. Meas. Tech., 16, 2781–2793, https://doi.org/10.5194/amt-16-2781-2023, 2023.

Räty, M., Sogacheva, L., Keskinen, H.-M., Kerminen, V.-M., Nieminen, T., Petäjä, T., Ezhova, E., and Kulmala, M.: Dynamics of aerosol, humidity, and clouds in air masses travelling over Fennoscandian boreal forests. Atmos. Chem. Phys., 23, 3779–3798. https://doi.org/10.5194/acp-23-3779-2023, 2023.

Rönkkö, T., Pirjola, L., Karjalainen, P., Simonen, P., Teinilä, K., Bloss, M., Salo, L., Datta, A., Lal, B., Hooda, R. K., Saarikoski, S. & Timonen, H.: Exhaust particle number and composition for diesel and gasoline passenger cars under transient driving conditions: Real-world emissions down to 1.5 nm, Environmental Pollution. 338, 122645, https://doi.org/10.1016/j.envpol.2023.122645, 2023.

Saarikoski, S., Hellén, H., Praplan, A. P., Schallhart, S., Clusius, P., Niemi, J. V., Kousa, A., Tykkä, T., Kouznetsov, R., Aurela, M., Salo, L., Rönkkö, T., Barreira, L. M. F., Pirjola, L., and Timonen, H.: Characterization of volatile organic compounds and submicron organic aerosol in a traffic environment. Atmos. Chem. Phys., 23, 2963–2982. https://doi.org/10.5194/acp-23-2963-2023, 2023.

Savadkoohi, M., Pandolfi, M., Reche, C., Niemi, J.V., Mooibroek, D., Titos, G., Green, D.C., Tremper, A.H., Hueglin, C., Liakakou, E., Mihalopoulos, N., Stavroulau, I., Artiñano, B., Coz, E., Alados-Arboledas, L., Beddows, D., Riffault, V., De Brito, J.F., Bastian, S., Baudic, A., Colombi, C., Constabile, F., Chazeau, B., Marchand, N., Gómez-Amo, J.L., Estellés, V., Matos, V., van der Gaag, E., Gille, G., Luoma, K., Manninen, H.E., Norman, M., Silvergren, S., Petit, J.-E., Putaud, J.-P., Rattigan, O.V., Timonen, H., Tuch, T., Merkel, M., Weinhold, K., Vratolis, S., Vasilescu, J., Favez, O., Harrison, R.M., Laj, P., Wiedensohler, A., Hopke, P.K., Petäjä, T., Alastuey, A., Querol, X.: The variability of mass concentrations and source apportionment analysis of equivalent black carbon across urban Europe, Environ. Int. 178, 108081, https://doi.org/10.1016/j.envint.2023.108081, 2023.

Schnaiter, F. M., Linke, C., Asmi, E., Servomaa, H., Hyvärinen, A.-P., Ohata, S., Kondo, Y., and Järvinen, E.: The four-wavelength Photoacoustic Aerosol Absorption Spectrometer (PAAS-4λ), Atmos. Meas. Tech., 16, 2753–2769, https://doi.org/10.5194/amt-16-2753-2023, 2023.

Stolzenburg, D., Cai, R., Blichner, S. M., Kontkanen, J., Zhou, P., Makkonen, R., Kerminen, V.-M., Kulmala, M., Riipinen, I., and Kangasluoma, J.: Atmospheric nanoparticle growth, Rev. Mod. Phys., 95, 045002, https://doi.org/10.1103/RevModPhys.95.045002, 2023.

Stolzenburg, D., Laurila, T., Aalto, P., Vanhanen, J., Petäjä, T., and Kangasluoma, J.: Improved counting statistics of an ultrafine differential mobility particle size spectrometer system, Atmos. Meas. Tech., 16, 2471–2483, https://doi.org/10.5194/amt-16-2471-2023, 2023.

Strömberg, J., Li, X., Kurppa, M., Kuuluvainen, H., Pirjola, L., and Järvi, L.: Effect of radiation interaction and aerosol processes on ventilation and aerosol concentrations in a real urban neighbourhood in Helsinki, Atmos. Chem. Phys., 23, 9347–9364, https://doi.org/10.5194/acp-23-9347-2023, 2023.

Sulo, J., Enroth, J., Pajunoja, A., Vanhanen, J., Lehtipalo, K., Petäjä, T. and Kulmala, M.: Pushing nano-aerosol measurements to a new decade–technical note on Airmodus Particle Size Magnifier 2.0, Aerosol Res. Discuss. https://doi.org/10.5194/ar-2023-18, 2023.

Tham, Y.J., Sarnela, N., Iyer, S. et al.: Widespread detection of chlorine oxyacids in the Arctic atmosphere. Nat Commun 14, 1769, https://doi.org/10.1038/s41467-023-37387-y, 2023.

Trechera, P., Garcia-Marlès, M., Reche, C., Pérez, N., Savadkoohi, M., Beddows, D., Salma, I., Vörösmarty, M., Casans, A., Casquero-Vera, J.A., Hueglin, C., Marchand, N., Chazeau, B., Gille, G., Kalkavouras, P., Mihalopoulos, N., Ondracek, J., Zikova, N., Niemi, J.V., Manninen, H.E., Green, D.C., Tremper, A.H., Norman, M., Vratolis, S., Eleftheriadis, K., Gómez-Moreno, F.J., Alonzo-Blanco, E., Gerwig, H., Wiedensohler, A., Weinhold, K., Merkel, M., Bastian, S., Petit, J.-E., Favez, O., Crumeyrolle, S., Ferlay, N., Dos Santos, S.M., Putaud, J.-P., Timonen, H., Lampilahti, J., Asbach, C., Wolf, C., Kaminski, H., Altug, H., Hoffmann, B., Rich, D.Q., Pandolfi, M., Harrison, R.M., Hopke, P.K., Petäjä, T., Alastuey, A. and Querol, X.: Phenomenology of ultrafine particle concentrations and size distribution across urban Europe, Environ. Int. 172, 107744, doi.org/10.1016/j.envint.2023.107744, 2023.

Vetikkat, L., Miettinen, P., Buchholz, A., Rantala, P., Yu, H., Schallhart, S., Petäjä, T., Seco, R., Männistö, E., Kulmala, M., Tuittila, E.-S., Guenther, A.B. and Schobesberger, S.: High emission rates and strong temperature response make boreal wetlands a large source of isoprene and terpenes, Atmos. Chem. Phys., 23, 2683-2698, https://doi.org/10.5194/acp-23-2683-2023, 2023.

Yin, R., Li, X., Yan, C., Cai, R., Zhou, Y., Kangasluoma, J., Sarnela, N., Lampilahti, J., Petäjä, T., Kerminen, V.-M., Bianchi, F., Kulmala, M., and Jiang, J.: Revealing the sources and sinks of negative cluster ions in an urban environment through quantitative analysis. Atmos. Chem. Phys., 23, 5279–5296, https://doi.org/10.5194/acp-23-5279-2023, 2023.

2022

Artaxo, P., Hansson, H.-C., Andreae, M.O., Bäck, J., Alves, E.G., Barbosa, H.M.J., Bender, F., Bourtsoukidis, E., Carbone, S., Chi, J., Decesari, S., Després, V.R., Ditas, F., Ezhova, E., Fuzzi, S., Hasselquist, N.J., Heintzenberg, J., Holanda, B.A., Guenther, A., Hakola, H., Heikkinen, L., Kerminen, V.-M., Kontkanen, J., Krejci, R., Kulmala, M., Lavric, J.V., de Leeuw, G., Lehtipalo, K., Machado, L.A.T., McFiggans, G., Franco, M.A.M., Meller, B.B., Morais, F.G., Mohr, C., Morgan, W., Nilsson, M.B., Peichl, M., Petäjä, T., Praß, M., Pöhlker, C., Pöhlker, M.L., Pöschl, U., Von Randow, C., Riipinen, I., Rinne, J., Rizzo, L.V., Rosenfeld, D., Silva Dias, M.A.F., Sogacheva, L., Stier, P., Swietlicki, E., Sörgel, M., Tunved, P., Virkkula, A., Wang, J., Weber, B., Yáñez-Serrano, A.M., Zieger, P., Mikhailov, E., Smith, J.N. and Kesselmeier, J.: Tropical and Boreal Forest – Atmosphere Interactions: A Review, Tellus B: Chemical and Physical Meteorology, 74(1), pp.24–163. DOI: http://doi.org/10.16993/tellusb.34, 2022.

Beck, L. J., Schobesberger, S., Junninen, H., Lampilahti, J., Manninen, A., Dada, L., Leino, K., He, X.-C., Pullinen, I., Quéléver, L. L. J., Franck, A., Poutanen, P., Wimmer, D., Korhonen, F., Sipilä, M., Ehn, M., Worsnop, D. R., Kerminen, V.-M., Petäjä, T., Kulmala, M., and Duplissy, J.: Diurnal evolution of negative atmospheric ions above the boreal forest: from ground level to the free troposphere, Atmos. Chem. Phys., 22, 8547–8577, https://doi.org/10.5194/acp-22-8547-2022, 2022.

Beck, L. J., Schobesberger, S., Sipilä, M., Kerminen, V.-M., and Kulmala, M.: Estimation of sulfuric acid concentration using ambient ion composition and concentration data obtained with atmospheric pressure interface time-of-flight ion mass spectrometer, Atmos. Meas. Tech., 15, 1957–1965, https://doi.org/10.5194/amt-15-1957-2022, 2022.

Boy, M., Zhou, P., Kurten, T., Chen, D., Xavier, C., Clusius, P., Roldin, P., Baykara, M., Pichelstorfer, L., Foreback, B., Bäck, J., Petäjä, T., Makkonen, R., Kerminen, V-M., Pihlatie, M., Aalto, J., and Kulmala, M.: Positive feedback mechanism between biogenic volatile organic compounds and the methane lifetime in future climates, npj Clim. Atmos. Sci., 5, 72, https://doi.org/10.1038/s41612-022-00292-0, 2022.

Brasseur, Z., Castarède, D., Thomson, E. S., Adams, M. P., Drossaart van Dusseldorp, S., Heikkilä, P., Korhonen, K., Lampilahti, J., Paramonov, M., Schneider, J., Vogel, F., Wu, Y., Abbatt, J. P. D., Atanasova, N. S., Bamford, D. H., Bertozzi, B., Boyer, M., Brus, D., Daily, M. I., Fösig, R., Gute, E., Harrison, A. D., Hietala, P., Höhler, K., Kanji, Z. A., Keskinen, J., Lacher, L., Lampimäki, M., Levula, J., Manninen, A., Nadolny, J., Peltola, M., Porter, G. C. E., Poutanen, P., Proske, U., Schorr, T., Silas Umo, N., Stenszky, J., Virtanen, A., Moisseev, D., Kulmala, M., Murray, B. J., Petäjä, T., Möhler, O., and Duplissy, J.: Measurement report: Introduction to the HyICE-2018 campaign for measurements of ice-nucleating particles and instrument inter-comparison in the Hyytiälä boreal forest, Atmos. Chem. Phys., 22, 5117–5145, https://doi.org/10.5194/acp-22-5117-2022, 2022.

Chen, G., Canonaco, F., Tobler, A., Aas, W., Alastuey, A., Allan, J., Atabakhsh, S., Aurela, M., Baltensperger, U., Bougiatioti, A., De Brito, J. F., Ceburnis, D., Chazeau, B., Chebaicheb, H., Daellenbach, K. R., Ehn, M., El Haddad, I., Eleftheriadis, K., Favez, O., Flentje, H., et al.: European aerosol phenomenology − 8: Harmonised source apportionment of organic aerosol using 22 Year-long ACSM/AMS datasets, Environ. Int., 166, 107325, https://doi.org/10.1016/j.envint.2022.107325, 2022.

Doulgeris, K. M., Lihavainen, H., Hyvärinen, A.-P., Kerminen, V.-M., and Brus, D.: An extensive data set for in situ microphysical characterization of low-level clouds in a Finnish sub-Arctic site, Earth Syst. Sci. Data, 14, 637–649, https://doi.org/10.5194/essd-14-637-2022, 2022.

Gonzalez Carracedo, L., Lehtipalo, K., Ahonen, L. R., Sarnela, N., Holm, S., Kangasluoma, J., Kulmala, M., Winkler, P. M., and Stolzenburg, D.: On the relation between apparent ion and total particle growth rates in the boreal forest and related chamber experiments, Atmos. Chem. Phys., 22, 13153–13166, https://doi.org/10.5194/acp-22-13153-2022, 2022.

Heitto, A., Lehtinen, K., Petäjä, T., Lopez-Hilfiker, F., Thornton, J. A., Kulmala, M., and Yli-Juuti, T.: Effects of oligomerization and decomposition on the nanoparticle growth: a model study, Atmos. Chem. Phys., 22, 155–171, https://doi.org/10.5194/acp-22-155-2022, 2022.

Isokääntä, S., Kim, P., Mikkonen, S., Kühn, T., Kokkola, H., Yli-Juuti, T., Heikkinen, L., Luoma, K., Petäjä, T., Kipling, Z., Partridge, D., and Virtanen, A.: The effect of clouds and precipitation on the aerosol concentrations and composition in a boreal forest environment, Atmos. Chem. Phys., 22, 11823–11843, https://doi.org/10.5194/acp-22-11823-2022, 2022.

Jokinen, T., Lehtipalo, K., Thakur, R. C., Ylivinkka, I., Neitola, K., Sarnela, N., Laitinen, T., Kulmala, M., Petäjä, T., and Sipilä, M.: Measurement report: Long-term measurements of aerosol precursor concentrations in the Finnish subarctic boreal forest, Atmos. Chem. Phys., 22, 2237–2254, https://doi.org/10.5194/acp-22-2237-2022, 2022.

Junninen, H., Ahonen, L., Bianchi, F., Quéléver, L., Schallhart, S., Dada, L., Manninen, H.E., Leino, K., Lampilahti, J., Mazon, S.B., Rantala, P., Räty, M., Kontkanen, J., Negri, S., Aliaga, D., Garmash, O., Alekseychik, P., Lipp, H., Tamme, K., Levula, J., Sipilä, M., Ehn, M., Worsnop, D.R., Zilitinkevich, S., Mammarella, I., Rinne, J., Vesala, T., Petäjä, T., Kerminen, V.-M. and Kulmala, M.: Terpene emissions from boreal wetlands can initiate stronger atmospheric new particle formation than boreal forests, Nature Comm. Earth Environ. 3, 93, https://doi.org/10.1038/s43247-022-00406-9, 2022.

Kulmala, M., Stolzenburg, D., Dada, L., Cai, R., Kontkanen, J., Yan, C., Kangasluoma, J., Ahonen, L.R., Gonzalez-Carracedo, L., Sulo, J., Tuovinen, S., Deng, C., Li, Y., Lehtipalo, K., Lehtinen, K.E.J., Petäjä, T., Winkler, P.M., Jiang, J., and Kerminen, V.-M.: Towards a concentration closure of sub-6 nm aerosol particles and sub-3 nm atmospheric clusters, J. Aerosol Sci., 159, 105878, https://doi.org/10.1016/j.jaerosci.2021.105878, 2022.

Kulmala, M., Junninen, H., Dada, L., Salma, I., Weidinger, T., Thén, W., Vörösmarty, M., Komsaare, K., Stolzenburg, D., Cai, R., Yan, C., Li, X., Deng, C., Jiang, J., Petäjä, T., Nieminen, T., and Kerminen, V-M.: Quiet New Particle Formation in the Atmosphere, Front. Environ. Sci., 30, https://doi.org/10.3389/fenvs.2022.912385, 2022.

Kuula, J., Timonen, H., Niemi, J. V., Manninen, H. E., Rönkkö, T., Hussein, T., Fung, P. L., Tarkoma, S., Laakso, M., Saukko, E., Ovaska, A., Kulmala, M., Karppinen, A., Johansson, L., and Petäjä, T.: Opinion: Insights into updating Ambient Air Quality Directive 2008/50/EC, Atmos. Chem. Phys., 22, 4801–4808, https://doi.org/10.5194/acp-22-4801-2022, 2022.

Lappalainen, H., Petäjä, T., Lintunen, A., and Kulmala, M.: Institute for Atmospheric and Earth System Research (INAR): Showcases for making science diplomacy, Polar Record, 58, E15, https://doi.org/10.1017/S0032247421000760, 2022.

Leinonen, V., Kokkola, H., Yli-Juuti, T., Mielonen, T., Kühn, T., Nieminen, T., Heikkinen, S., Miinalainen, T., Bergman, T., Carslaw, K., Decesari, S., Fiebig, M., Hussein, T., Kivekäs, N., Krejci, R., Kulmala, M., Leskinen, A., Massling, A., Mihalopoulos, N., Mulcahy, J. P., Noe, S. M., van Noije, T., O'Connor, F. M., O'Dowd, C., Olivie, D., Pernov, J. B., Petäjä, T., Seland, Ø., Schulz, M., Scott, C. E., Skov, H., Swietlicki, E., Tuch, T., Wiedensohler, A., Virtanen, A., and Mikkonen, S.: Comparison of particle number size distribution trends in ground measurements and climate models, Atmos. Chem. Phys., 22, 12873–12905, https://doi.org/10.5194/acp-22-12873-2022, 2022.

Li, X., Li, Y., Cai, R., Yan, C., Qiao, X., Guo, Y., Deng, C., Yin, R., Chen, Y., Li, Y., Yao, L., Sarnela, N., Zhang, Y., Petäjä, T., Bianchi, F., Liu, Y., Kulmala, M., Hao, J., Smith, J. N. and Jiang, J.: Insufficient Condensable Organic Vapors Lead to Slow Growth of New Particles in an Urban Environment, Environ. Sci. Technol., 56, 14, 9936–9946, https://doi.org/10.1021/acs.est.2c01566, 2022.

Moschos, V., Dzepina, K., Bhattu, D., Lamkaddam, H., Casotto, R., Dällenbach, K., Canonaco, F., Rai, P., Aas, W., Becagli, S., Calzolai, G., Eleftheriadis, K., Moffett, C. E., Schnelle-Kreis, J., Severi, M., Sharma, S., Skov, H., Vestenius, M., Zhang, W., Hakola, H., Hellen, H., Huang, L., Jaffrezo, J-L., Massling, A., Nøjgaard, J. K., Petäjä, T., Popovicheva, O., Sheesley, R. J., Traversi, R., Yttri, K. E., Schmale, J., Prevot, A. S. H., Baltensperger, U., and El Haddad, I.: Equal abundance of summertime natural and wintertime anthropogenic Arctic organic aerosols, Nat. Geosci. 15, 196–202, https://doi.org/10.1038/s41561-021-00891-1, 2022.

Moschos, V., Schmale, J., Aas, W., Becagli, S., Calzolai, G., Eleftheriadis, K., Moffett, C. E., Schnelle-Kreis, J., Severi, M., Sharma, S., Skov, H., Vestenius, M., Zhang, W., Hakola, H., Hellen, H., Huang, L., Jaffrezo, J-L., Massling, A., Nøjgaard, J. K., Petäjä, T., Popovicheva, O., Sheesley R. J., Traversi R., Yttri, K. E., Prévôt, A. S. H., Baltensperger, U., and El Haddad, I.: Elucidating the present-day chemical composition, seasonality and source regions of climate-relevant aerosols across the Arctic land surface, Environ. Res. Lett., 17, 034032, https://iopscience.iop.org/article/10.1088/1748-9326/ac444b, 2022.

Neefjes, I., Laapas, M., Liu, Y., Medus, E., Miettunen, E., Ahonen, L., Quelever, L., Aalto, J., Bäck, J., Kerminen, V-M., Lampilahti, J., Luoma, K., Mäki, M., Mammarella, I., Petäjä, T., Räty, M., Sarnela, N., Ylivinkka, I., Hakala, S., Kulmala, M., Nieminen T., and Lintunen, A: 25 years of atmospheric and ecosystem measurements in a boreal forest - Seasonal variation and responses to warm and dry years, Boreal Env. Res., 27, 1-31, 2022.

Petäjä, T., Tabakova, K., Manninen, A., Ezhova, E., O’Connor, E., Moisseev, D., Sinclair, V. A., Backman, J., Levula, J., Luoma, K., Virkkula, A., Paramonov, M., Räty, M., Äijälä, M., Heikkinen, L., Ehn, M., Sipilä, M., Yli-Juuti, T., Virtanen, A., Ritsche, M., Hickmon, N., Pulik, G., Rosenfeld, D., Worsnop, D. R., Bäck, J., Kulmala, M., and Kerminen, V.-M.: Influence of biogenic emissions from boreal forests on aerosol–cloud interactions, Nat. Geosci. 15., 42-47, https://doi.org/10.1038/s41561-021-00876-0, 2022.

Pysarenko, L., Krakovska, S., Savenets, M., Ezhova, E., Lintunen, A., Petäjä, T., Bäck, J., and Kulmala, M.: Two-decade variability of climatic factors and its effect on the link between photosynthesis and meteorological parameters: example of Finland's boreal forest, Boreal Env. Res., 27, 131-144, 2022.

Quéléver, L. L. J., Dada, L., Asmi, E., Lampilahti, J., Chan, T., Ferrara, J. E., Copes, G. E., Pérez-Fogwill, G., Barreira, L., Aurela, M., Worsnop, D. R., Jokinen, T., and Sipilä, M.: Investigation of new particle formation mechanisms and aerosol processes at Marambio Station, Antarctic Peninsula, Atmos. Chem. Phys., 22, 8417–8437, https://doi.org/10.5194/acp-22-8417-2022, 2022.

Sartelet, K., Kim, Y., Couvidat, F., Merkel, M., Petäjä, T., Sciare, J. and Wiedensohler, A.: Influence of emission size distribution and nucleation on number concentrations over Greater Paris, Atmos. Chem. Phys. 22, 8579–8596, https://doi.org/10.5194/acp-22-8579-2022, 2022.

Sillanpää, S., Fung, P. L., Niemi, J. V., Kousa, A., Kangas, L., Zaidan, M. A., Timonen, H., Kulmala, M., Petäjä, T., and Hussein, T.: Long-term air quality trends of regulated pollutants in the Helsinki metropolitan area from 1994–2019 and its implications to the Air Quality Index, Boreal Env. Res., 27, 61-79, 2022.

Sinclair, V. A., Ritvanen, J., Urbancic, G., Statnaia, I., Batrak, Y., Moisseev, D., and Kurppa, M.: Boundary-layer height and surface stability at Hyytiälä, Finland, in ERA5 and observations, Atmos. Meas. Tech., 15, 3075–3103, https://doi.org/10.5194/amt-15-3075-2022, 2022.

Stolzenburg, D., Ozon, M., Kulmala, M., Lehtinen, K.E.J., Lehtipalo, K., and Kangasluoma, J.: Combining instrument inversions for sub-10 nm aerosol number size-distribution measurements, J. Aerosol Sci., 159, 105862, https://doi.org/10.1016/j.jaerosci.2021.105862, 2022.

Su, P., Joutsensaari, J., Dada, L., Zaidan, M. A., Nieminen, T., Li, X., Wu, Y., Decesari, S., Tarkoma, S., Petäjä, T., Kulmala, M., and Pellikka, P.: New particle formation event detection with Mask R-CNN, Atmos. Chem. Phys., 22, 1293–1309, https://doi.org/10.5194/acp-22-1293-2022, 2022.

Sulo, J., Lampilahti, J., Chen, X., Kontkanen, J., Nieminen, T., Kerminen, V.-M., Petäjä, T., Kulmala, M., and Lehtipalo, K.: Measurement report: Increasing trend of atmospheric ion concentrations in the boreal forest, Atmos. Chem. Phys., 22, 15223–15242, https://doi.org/10.5194/acp-22-15223-2022, 2022.

Thakur, R. C., Dada, L., Beck, L. J., Quéléver, L. L. J., Chan, T., Marbouti, M., He, X.-C., Xavier, C., Sulo, J., Lampilahti, J., Lampimäki, M., Tham, Y. J., Sarnela, N., Lehtipalo, K., Norkko, A., Kulmala, M., Sipilä, M., and Jokinen, T.: An evaluation of new particle formation events in Helsinki during a Baltic Sea cyanobacterial summer bloom, Atmos. Chem. Phys., 22, 6365–6391, https://doi.org/10.5194/acp-22-6365-2022, 2022.

Vogl, T., Maahn, M., Kneifel, S., Schimmel, W., Moisseev, D., and Kalesse-Los, H.: Using artificial neural networks to predict riming from Doppler cloud radar observations, Atmos. Meas. Tech., 15, 365–381, https://doi.org/10.5194/amt-15-365-2022, 2022.

Xu, R., Thornton, J. A., Lee, B. H., Zhang, Y., Jaeglé, L., Lopez-Hilfiker, F. D., Rantala, P., and Petäjä, T.: Global simulations of monoterpene-derived peroxy radical fates and the distributions of highly oxygenated organic molecules (HOMs) and accretion products, Atmos. Chem. Phys., 22, 5477–5494, https://doi.org/10.5194/acp-22-5477-2022, 2022.

2021

Asmi, E., Backman, J., Servomaa, H., Virkkula, A., Gini, M. I., Eleftheriadis, K., Müller, T., Ohata, S., Kondo, Y., and Hyvärinen, A.: Absorption instruments inter-comparison campaign at the Arctic Pallas station, Atmos. Meas. Tech., 14, 5397–5413, https://doi.org/10.5194/amt-14-5397-2021, 2021.

Backman, J., Schmeisser, L., and Asmi, E.: Asian Emissions Explain Much of the Arctic Black Carbon Events, Geophys. Res. Lett., 48, 5, https://doi.org/10.1029/2020GL091913, 2021.

Bohlmann, S., Shang, X., Vakkari, V., Giannakaki, E., Leskinen, A., Lehtinen, K. E. J., Pätsi, S., and Komppula, M.: Lidar depolarization ratio of atmospheric pollen at multiple wavelengths, Atmos. Chem. Phys., 21, 7083–7097, https://doi.org/10.5194/acp-21-7083-2021, 2021.

Bousiotis, D., Brean, J., Pope, F. D., Dall'Osto, M., Querol, X., Alastuey, A., Perez, N., Petäjä, T., Massling, A., Nøjgaard, J. K., Nordstrøm, C., Kouvarakis, G., Vratolis, S., Eleftheriadis, K., Niemi, J. V., Portin, H., Wiedensohler, A., Weinhold, K., Merkel, M., Tuch, T., and Harrison, R. M.: The effect of meteorological conditions and atmospheric composition in the occurrence and development of new particle formation (NPF) events in Europe, Atmos. Chem. Phys., 21, 3345–3370, https://doi.org/10.5194/acp-21-3345-2021, 2021.

Bousiotis, D., Pope, F. D., Beddows, D. C. S., Dall'Osto, M., Massling, A., Nøjgaard, J. K., Nordstrøm, C., Niemi, J. V., Portin, H., Petäjä, T., Perez, N., Alastuey, A., Querol, X., Kouvarakis, G., Mihalopoulos, N., Vratolis, S., Eleftheriadis, K., Wiedensohler, A., Weinhold, K., Merkel, M., Tuch, T., and Harrison, R. M.: A phenomenology of new particle formation (NPF) at 13 European sites, Atmos. Chem. Phys., 21, 11905–11925, https://doi.org/10.5194/acp-21-11905-2021, 2021.

Brus, D., Gustafsson, J., Kemppinen, O., de Boer, G., and Hirsikko, A.: Atmospheric aerosol, gases, and meteorological parameters measured during the LAPSE-RATE campaign by the Finnish Meteorological Institute and Kansas State University, Earth Syst. Sci. Data, 13, 2909–2922, https://doi.org/10.5194/essd-13-2909-2021, 2021.

Brus, D., Gustafsson, J., Vakkari, V., Kemppinen, O., de Boer, G., and Hirsikko, A.: Measurement report: Properties of aerosol and gases in the vertical profile during the LAPSE-RATE campaign, Atmos. Chem. Phys., 21, 517–533, https://doi.org/10.5194/acp-21-517-2021, 2021.

Evangeliou, N., Platt, S. M., Eckhardt, S., Lund Myhre, C., Laj, P., Alados-Arboledas, L., Backman, J., Brem, B. T., Fiebig, M., Flentje, H., Marinoni, A., Pandolfi, M., Yus-Dìez, J., Prats, N., Putaud, J. P., Sellegri, K., Sorribas, M., Eleftheriadis, K., Vratolis, S., Wiedensohler, A., and Stohl, A.: Changes in black carbon emissions over Europe due to COVID-19 lockdowns, Atmos. Chem. Phys., 21, 2675–2692, https://doi.org/10.5194/acp-21-2675-2021, 2021.

Franck, A., Moisseev, D., Vakkari, V., Leskinen, M., Lampilahti, J., Kerminen, V.-M., and O'Connor, E.: Evaluation of convective boundary layer height estimates using radars operating at different frequency bands, Atmos. Meas. Tech., 14, 7341–7353, https://doi.org/10.5194/amt-14-7341-2021, 2021.

Harrison, R. G., Nicoll, K. A., Tilley, D. J., Marlton, G. J., Chindea, S., Dingley, G. P., Iravani, P., Cleaver, D. J., du Bois, J. L., and Brus, D.: Demonstration of a Remotely Piloted Atmospheric Measurement and Charge Release Platform for Geoengineering, J. Atmos. Ocean. Technol., 38(1), 63-75, https://doi.org/10.1175/JTECH-D-20-0092.1, 2021.

Heikkinen, L., Äijälä, M., Daellenbach, K. R., Chen, G., Garmash, O., Aliaga, D., Graeffe, F., Räty, M., Luoma, K., Aalto, P., Kulmala, M., Petäjä, T., Worsnop, D., and Ehn, M.: Eight years of sub-micrometre organic aerosol composition data from the boreal forest characterized using a machine-learning approach, Atmos. Chem. Phys., 21, 10081–10109, https://doi.org/10.5194/acp-21-10081-2021, 2021.

Helin, A., Virkkula, A., Backman, J., Pirjola, L., Sippula, O., Aakko-Saksa, P., Vaatainen, S., Myllari, F., Jarvinen, A., Bloss, M., Aurela, M., Jakobi, G., Karjalainen, P., Zimmermann, R., Jokiniemi, J., Saarikoski, S., Tissari, J., Ronkko, T., Niemi, J. V., Timonen, H.: Variation of Absorption Angstrom Exponent in Aerosols From Different Emission Sources, J. Geophys. Res. Atmos., 126, 10, https://doi.org/10.1029/2020JD034094, 2021.

Hellén, H., Praplan, A. P., Tykkä, T., Helin, A., Schallhart, S., Schiestl-Aalto, P. P., Bäck, J., and Hakola, H.: Sesquiterpenes and oxygenated sesquiterpenes dominate the VOC (C5–C20) emissions of downy birches, Atmos. Chem. Phys., 21, 8045–8066, https://doi.org/10.5194/acp-21-8045-2021, 2021.

Karjalainen, P.; Nikka, M.; Olin, M.; Martikainen, S.; Rostedt, A.; Arffman, A.; Mikkonen, S.: Fuel-Operated Auxiliary Heaters Are a Major Additional Source of Vehicular Particulate Emissions in Cold Regions, Atmosphere, 12, 1105, https://doi.org/10.3390/atmos12091105, 2021.

Kulmala, M., Lintunen, A., Ylivinkka, I., Mukkala, J., Rantanen, R., Kujansuu, J., Petäjä, H., Lappalainen, H., K.: Atmospheric and ecosystem big data providing key contributios in reaching United Nations' Sustainable Development Goals, Big Earth Data, 5:3, 277-305, https://doi.org/10.1080/20964471.2021.1936943, 2021.

Lampilahti, J., Leino, K., Manninen, A., Poutanen, P., Franck, A., Peltola, M., Hietala, P., Beck, L., Dada, L., Quéléver, L., Öhrnberg, R., Zhou, Y., Ekblom, M., Vakkari, V., Zilitinkevich, S., Kerminen, V.-M., Petäjä, T., and Kulmala, M.: Aerosol particle formation in the upper residual layer, Atmos. Chem. Phys., 21, 7901–7915, https://doi.org/10.5194/acp-21-7901-2021, 2021.

Lampilahti, J., Manninen, H. E., Nieminen, T., Mirme, S., Ehn, M., Pullinen, I., Leino, K., Schobesberger, S., Kangasluoma, J., Kontkanen, J., Järvinen, E., Väänänen, R., Yli-Juuti, T., Krejci, R., Lehtipalo, K., Levula, J., Mirme, A., Decesari, S., Tillmann, R., Worsnop, D. R., Rohrer, F., Kiendler-Scharr, A., Petäjä, T., Kerminen, V.-M., Mentel, T. F., and Kulmala, M.: Zeppelin-led study on the onset of new particle formation in the planetary boundary layer, Atmos. Chem. Phys., 21, 12649–12663, https://doi.org/10.5194/acp-21-12649-2021, 2021.

Lehtipalo, K. Ahonen, L. R., Baalbaki, R., Sulo, J., Chan, T., Laurila, T., Dada, L., Duplissy, J., Miettinen, E., Vanhanen, J., Kangasluoma, J., Kulmala, M., Petäjä, T., and Jokinen, T.: The standard operating procedure for Airmodus Particle Size Magnifier and nano-Condensation Nucleus Counter, J. Aerosol Sci., 159, 105896, https://doi.org/10.1016/j.jaerosci.2021.105896, 2021.

Li, H., Canagaratna, M. R., Riva, M., Rantala, P., Zhang, Y., Thomas, S., Heikkinen, L., Flaud, P.-M., Villenave, E., Perraudin, E., Worsnop, D., Kulmala, M., Ehn, M., and Bianchi, F.: Atmospheric organic vapors in two European pine forests measured by a Vocus PTR-TOF: insights into monoterpene and sesquiterpene oxidation processes, Atmos. Chem. Phys., 21, 4123–4147, https://doi.org/10.5194/acp-21-4123-2021, 2021.

Li, H., Möhler, O., Petäjä, T., and Moisseev, D.: Two-year statistics of columnar-ice production in stratiform clouds over Hyytiälä, Finland: environmental conditions and the relevance to secondary ice production, Atmos. Chem. Phys., 21, 14671–14686, https://doi.org/10.5194/acp-21-14671-2021, 2021.

Luoma, K., Niemi, J. V., Aurela, M., Fung, P. L., Helin, A., Hussein, T., Kangas, L., Kousa, A., Rönkkö, T., Timonen, H., Virkkula, A., and Petäjä, T.: Spatiotemporal variation and trends in equivalent black carbon in the Helsinki metropolitan area in Finland, Atmos. Chem. Phys., 21, 1173–1189, https://doi.org/10.5194/acp-21-1173-2021, 2021.

Luoma, K., Virkkula, A., Aalto, P., Lehtipalo, K., Petäjä, T., and Kulmala, M.: Effects of different correction algorithms on absorption coefficient – a comparison of three optical absorption photometers at a boreal forest site, Atmos. Meas. Tech., 14, 6419–6441, https://doi.org/10.5194/amt-14-6419-2021, 2021.

Ohata, S., Mori, T., Kondo, Y., Sharma, S., Hyvärinen, A., Andrews, E., Tunved, P., Asmi, E., Backman, J., Servomaa, H., Veber, D., Eleftheriadis, K., Vratolis, S., Krejci, R., Zieger, P., Koike, M., Kanaya, Y., Yoshida, A., Moteki, N., Zhao, Y., Tobo, Y., Matsushita, J., and Oshima, N.: Estimates of mass absorption cross sections of black carbon for filter-based absorption photometers in the Arctic, Atmos. Meas. Tech., 14, 6723–6748, https://doi.org/10.5194/amt-14-6723-2021, 2021.

Okuljar, M., Kuuluvainen, H., Kontkanen, J., Garmash, O., Olin, M., Niemi, J. V., Timonen, H., Kangasluoma, J., Tham, Y. J., Baalbaki, R., Sipilä, M., Salo, L., Lintusaari, H., Portin, H., Teinilä, K., Aurela, M., Dal Maso, M., Rönkkö, T., Petäjä, T., and Paasonen, P.: Measurement report: The influence of traffic and new particle formation on the size distribution of 1–800 nm particles in Helsinki – a street canyon and an urban background station comparison, Atmos. Chem. Phys., 21, 9931–9953, https://doi.org/10.5194/acp-21-9931-2021, 2021.

Piedehierro, A. A., Welti, A., Buchholz, A., Korhonen, K., Pullinen, I., Summanen, I., Virtanen, A., and Laaksonen, A.: Ice nucleation on surrogates of boreal forest SOA particles: effect of water content and oxidative age, Atmos. Chem. Phys., 21, 11069–11078, https://doi.org/10.5194/acp-21-11069-2021, 2021.

Rose, C., Collaud Coen, M., Andrews, E., Lin, Y., Bossert, I., Lund Myhre, C., Tuch, T., Wiedensohler, A., Fiebig, M., Aalto, P., Alastuey, A., Alonso-Blanco, E., Andrade, M., Artíñano, B., Arsov, T., Baltensperger, U., Bastian, S., Bath, O., Beukes, J. P., Brem, B. T., Bukowiecki, N., Casquero-Vera, J. A., Conil, S., Eleftheriadis, K., Favez, O., Flentje, H., Gini, M. I., Gómez-Moreno, F. J., Gysel-Beer, M., Hallar, A. G., Kalapov, I., Kalivitis, N., Kasper-Giebl, A., Keywood, M., Kim, J. E., Kim, S.-W., Kristensson, A., Kulmala, M., Lihavainen, H., Lin, N.-H., Lyamani, H., Marinoni, A., Martins Dos Santos, S., Mayol-Bracero, O. L., Meinhardt, F., Merkel, M., Metzger, J.-M., Mihalopoulos, N., Ondracek, J., Pandolfi, M., Pérez, N., Petäjä, T., Petit, J.-E., Picard, D., Pichon, J.-M., Pont, V., Putaud, J.-P., Reisen, F., Sellegri, K., Sharma, S., Schauer, G., Sheridan, P., Sherman, J. P., Schwerin, A., Sohmer, R., Sorribas, M., Sun, J., Tulet, P., Vakkari, V., van Zyl, P. G., Velarde, F., Villani, P., Vratolis, S., Wagner, Z., Wang, S.-H., Weinhold, K., Weller, R., Yela, M., Zdimal, V., and Laj, P.: Seasonality of the particle number concentration and size distribution: a global analysis retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories, Atmos. Chem. Phys., 21, 17185–17223, https://doi.org/10.5194/acp-21-17185-2021, 2021.

Ruuskanen, A., Romakkaniemi, S., Kokkola, H., Arola, A., Mikkonen, S., Portin, H., Virtanen, A., Lehtinen, K. E. J., Komppula, M., and Leskinen, A.: Observations on aerosol optical properties and scavenging during cloud events, Atmos. Chem. Phys., 21, 1683–1695, https://doi.org/10.5194/acp-21-1683-2021, 2021.

Schneider, J., Höhler, K., Heikkilä, P., Keskinen, J., Bertozzi, B., Bogert, P., Schorr, T., Umo, N. S., Vogel, F., Brasseur, Z., Wu, Y., Hakala, S., Duplissy, J., Moisseev, D., Kulmala, M., Adams, M. P., Murray, B. J., Korhonen, K., Hao, L., Thomson, E. S., Castarède, D., Leisner, T., Petäjä, T., and Möhler, O.: The seasonal cycle of ice-nucleating particles linked to the abundance of biogenic aerosol in boreal forests, Atmos. Chem. Phys., 21, 3899–3918, https://doi.org/10.5194/acp-21-3899-2021, 2021.

Seppälä, S. D., Kuula, J., Hyvärinen, A.-P., Saarikoski, S., Rönkkö, T., Keskinen, J., Jalkanen, J.-P., and Timonen, H.: Effects of marine fuel sulfur restrictions on particle number concentrations and size distributions in ship plumes in the Baltic Sea, Atmos. Chem. Phys., 21, 3215–3234, https://doi.org/10.5194/acp-21-3215-2021, 2021.

Sipilä, M., Sarnela, N., Neitola, K., Laitinen, T., Kemppainen, D., Beck, L., Duplissy, E.-M., Kuittinen, S., Lehmusjärvi, T., Lampilahti, J., Kerminen, V.-M., Lehtipalo, K., Aalto, P. P., Keronen, P., Siivola, E., Rantala, P. A., Worsnop, D. R., Kulmala, M., Jokinen, T., and Petäjä, T.: Wintertime subarctic new particle formation from Kola Peninsula sulfur emissions, Atmos. Chem. Phys., 21, 17559–17576, https://doi.org/10.5194/acp-21-17559-2021, 2021.

Sulo, J., Sarnela, N., Kontkanen, J., Ahonen, L., Paasonen, P., Laurila, T., Jokinen, T., Kangasluoma, J., Junninen, H., Sipilä, M., Petäjä, T., Kulmala, M., and Lehtipalo, K.: Long-term measurement of sub-3 nm particles and their precursor gases in the boreal forest, Atmos. Chem. Phys., 21, 695–715, https://doi.org/10.5194/acp-21-695-2021, 2021.

Tong, H., Liu, F., Filippi, A., Wilson, J., Arangio, A. M., Zhang, Y., Yue, S., Lelieveld, S., Shen, F., Keskinen, H.-M. K., Li, J., Chen, H., Zhang, T., Hoffmann, T., Fu, P., Brune, W. H., Petäjä, T., Kulmala, M., Yao, M., Berkemeier, T., Shiraiwa, M., and Pöschl, U.: Aqueous-phase reactive species formed by fine particulate matter from remote forests and polluted urban air, Atmos. Chem. Phys., 21, 10439–10455, https://doi.org/10.5194/acp-21-10439-2021, 2021.

Torkmahalleh, M.A., Akhmetvaliyeva, Z., Omran, A.D., Omran, F.D., Kazemitabar, M., Naseri, M., Naseri, M., Sharifi, H., Malekipirbazari, M., Adotey, E.K., Gorjinezhad, S., Eghtesadi, N., Sabanov, S., Alastuey, A., de Fátima Andrade, M., Buonanno, G., Carbone, S., Cárdenas-Fuentes, D.E., Cassee, F.R., Dai, Q., Henríquez, A., Hopke, P.K., Keronen, P., Khwaja, H.A., Kim, J., Kulmala, M., Kumar, P., Kushta, J., Kuula, J., Massagué, J., Mitchell, T., Mooibroek, D., Morawska, L., Niemi, J.V., Ngagine, S.H., Norman, M., Oyama, B., Oyola, P., Öztürk, F., Petäjä, T., Querol, X., Rashidi, Y., Reyes, F., Ross-Jones, M., Salthammer, T., Savvides, C., Stabile, L., Sjöberg, K., Söderlund, K., Raman, R.S., Timonen, H., Umezawa, M., Viana, M., and Xie, S.: Global Air Quality and COVID-19 Pandemic: Do We Breathe Cleaner Air?, Aerosol Air Qual. Res., 21, 200567, https://doi.org/10.4209/aaqr.200567, 2021.

Vakkari, V., Baars, H., Bohlmann, S., Bühl, J., Komppula, M., Mamouri, R.-E., and O'Connor, E. J.: Aerosol particle depolarization ratio at 1565 nm measured with a Halo Doppler lidar, Atmos. Chem. Phys., 21, 5807–5820, https://doi.org/10.5194/acp-21-5807-2021, 2021.

Vestenius, M., Hopke, P. K., Lehtipalo, K., Petäjä, T., Hakola, H., and Hellén, H.: Assessing volatile organic compound sources in a boreal forest using positive matrix factorization (PMF), Atmos. Environ., 259, 118503, https://doi.org/10.1016/j.atmosenv.2021.118503, 2021.

Wong, F., Hung, H., Dryfhout-Clark, H., Aas, W., Bohlin-Nizzetto, P., Breivik, K., Mastromonaco, M. N., Lunden, E. B., Olafsdottir, K., Sigurdsson, A., Vorkamp, K., Bossi, R., Skov, H., Hakola, H., Barresi, E., Sverko, E., Fellin, P., Li, H., Vlasenko, A., Zapevalov, M., Samsonov, D., Wilson, S.: Time trends of persistent organic pollutants (POPs) and Chemicals of Emerging Arctic Concern (CEAC) in Arctic air from 25 years of monitoring, Sci. Total Environ., 775, 145109, https://doi.org/10.1016/j.scitotenv.2021.145109, 2021.

Yli-Juuti, T., Mielonen, T., Heikkinen, L., Arola, A., Ehn, M., Isokääntä, S., Keskinen, H.-M., Kulmala, M., Laakso, A., Lipponen, A., Luoma, K., Mikkonen, S., Nieminen, T., Paasonen, P., Petäjä, T., Romakkaniemi, S., Tonttila, J., Kokkola, H., and Virtanen, A.: Significance of the organic aerosol driven climate feedback in the boreal area, Nat. Commun., 12, 5637, https://doi.org/10.1038/s41467-021-25850-7, 2021.

2020

Collaud Coen, M., Andrews, E., Alastuey, A., Arsov, T. P., Backman, J., Brem, B. T., Bukowiecki, N., Couret, C., Eleftheriadis, K., Flentje, H., Fiebig, M., Gysel-Beer, M., Hand, J. L., Hoffer, A., Hooda, R., Hueglin, C., Joubert, W., Keywood, M., Kim, J. E., Kim, S.-W., Labuschagne, C., Lin, N.-H., Lin, Y., Lund Myhre, C., Luoma, K., Lyamani, H., Marinoni, A., Mayol-Bracero, O. L., Mihalopoulos, N., Pandolfi, M., Prats, N., Prenni, A. J., Putaud, J.-P., Ries, L., Reisen, F., Sellegri, K., Sharma, S., Sheridan, P., Sherman, J. P., Sun, J., Titos, G., Torres, E., Tuch, T., Weller, R., Wiedensohler, A., Zieger, P., and Laj, P.: Multidecadal trend analysis of in situ aerosol radiative properties around the world, Atmos. Chem. Phys., 20, 8867–8908, https://doi.org/10.5194/acp-20-8867-2020, 2020.

Dada, L., Ylivinkka, I., Baalbaki, R., Li, C., Guo, Y., Yan, C., Yao, L., Sarnela, N., Jokinen, T., Daellenbach, K. R., Yin, R., Deng, C., Chu, B., Nieminen, T., Wang, Y., Lin, Z., Thakur, R. C., Kontkanen, J., Stolzenburg, D., Sipilä, M., Hussein, T., Paasonen, P., Bianchi, F., Salma, I., Weidinger, T., Pikridas, M., Sciare, J., Jiang, J., Liu, Y., Petäjä, T., Kerminen, V.-M., and Kulmala, M.: Sources and sinks driving sulfuric acid concentrations in contrasting environments: implications on proxy calculations, Atmos. Chem. Phys., 20, 11747–11766, https://doi.org/10.5194/acp-20-11747-2020, 2020.

Doulgeris, K.-M., Komppula, M., Romakkaniemi, S., Hyvärinen, A.-P., Kerminen, V.-M., and Brus, D.: In situ cloud ground-based measurements in the Finnish sub-Arctic: intercomparison of three cloud spectrometer setups, Atmos. Meas. Tech., 13, 5129–5147, https://doi.org/10.5194/amt-13-5129-2020, 2020.

Girdwood, J., Smith, H., Stanley, W., Ulanowski, Z., Stopford, C., Chemel, C., Doulgeris, K.-M., Brus, D., Campbell, D., and Mackenzie, R.: Design and field campaign validation of a multi-rotor unmanned aerial vehicle and optical particle counter, Atmos. Meas. Tech., 13, 6613–6630, https://doi.org/10.5194/amt-13-6613-2020, 2020.

Hao, L., Kari, E., Leskinen, A., Worsnop, D. R., and Virtanen, A.: Direct contribution of ammonia to α-pinene secondary organic aerosol formation, Atmos. Chem. Phys., 20, 14393–14405, https://doi.org/10.5194/acp-20-14393-2020, 2020.

Hartikainen, A., Tiitta, P., Ihalainen, M., Yli-Pirilä, P., Orasche, J., Czech, H., Kortelainen, M., Lamberg, H., Suhonen, H., Koponen, H., Hao, L., Zimmermann, R., Jokiniemi, J., Tissari, J., and Sippula, O.: Photochemical transformation of residential wood combustion emissions: dependence of organic aerosol composition on OH exposure, Atmos. Chem. Phys., 20, 6357–6378, https://doi.org/10.5194/acp-20-6357-2020, 2020.

Heikkinen, L., Äijälä, M., Riva, M., Luoma, K., Dällenbach, K., Aalto, J., Aalto, P., Aliaga, D., Aurela, M., Keskinen, H., Makkonen, U., Rantala, P., Kulmala, M., Petäjä, T., Worsnop, D., and Ehn, M.: Long-term sub-micrometer aerosol chemical composition in the boreal forest: inter- and intra-annual variability, Atmos. Chem. Phys., 20, 3151–3180, https://doi.org/10.5194/acp-20-3151-2020, 2020.

Hellén, H., Schallhart, S., Praplan, A. P., Tykkä, T., Aurela, M., Lohila, A., and Hakola, H.: Sesquiterpenes dominate monoterpenes in northern wetland emissions, Atmos. Chem. Phys., 20, 7021–7034, https://doi.org/10.5194/acp-20-7021-2020, 2020.

Kangasluoma, J., Cai, R. L., Jiang, J. K., Deng, C. J., Stolzenburg, D., Ahonen, L. R., Chan, T., Fu, Y. Y., Kim, C., Laurila, T. M., Zhou, Y., Dada, L., Sulo, J., Flagan, R. C., Kulmala, M., Petäjä, T., Lehtipalo, K.: Overview of measurements and current instrumentation for 1-10 nm aerosol particle number size distributions, J. Aerosol Sci., 148,105584, https://doi.org/10.1016/j.jaerosci.2020.105584, 2020.

Kulmala, M., Ezhova, E., Kalliokoski, T., Noe, S., Vesala, T., Lohila, A., Liski, J., Makkonen, R., Bäck, J., Petäjä, T., Kerminen, V.-M.: CarbonSink plus - Accounting for multiple climate feedbacks from forests, Boreal Env. Res., 25, 145-159, 2020.

Kyllonen, K., Vestenius, M., Anttila, P., Makkonen, U., Aurela, M., Wangberg, I., Mastromonaco, M. N., Hakola, H.: Trends and source apportionment of atmospheric heavy metals at a subarctic site during 1996-2018, Atmos. Environ., 236, 117644, https://doi.org/10.1016/j.atmosenv.2020.117644, 2020.

Laj, P., Bigi, A., Rose, C., Andrews, E., Lund Myhre, C., Collaud Coen, M., Lin, Y., Wiedensohler, A., Schulz, M., Ogren, J. A., Fiebig, M., Gliß, J., Mortier, A., Pandolfi, M., Petäja, T., Kim, S.-W., Aas, W., Putaud, J.-P., Mayol-Bracero, O., Keywood, M., Labrador, L., Aalto, P., Ahlberg, E., Alados Arboledas, L., Alastuey, A., Andrade, M., Artíñano, B., Ausmeel, S., Arsov, T., Asmi, E., Backman, J., Baltensperger, U., Bastian, S., Bath, O., Beukes, J. P., Brem, B. T., Bukowiecki, N., Conil, S., Couret, C., Day, D., Dayantolis, W., Degorska, A., Eleftheriadis, K., Fetfatzis, P., Favez, O., Flentje, H., Gini, M. I., Gregorič, A., Gysel-Beer, M., Hallar, A. G., Hand, J., Hoffer, A., Hueglin, C., Hooda, R. K., Hyvärinen, A., Kalapov, I., Kalivitis, N., Kasper-Giebl, A., Kim, J. E., Kouvarakis, G., Kranjc, I., Krejci, R., Kulmala, M., Labuschagne, C., Lee, H.-J., Lihavainen, H., Lin, N.-H., Löschau, G., Luoma, K., Marinoni, A., Martins Dos Santos, S., Meinhardt, F., Merkel, M., Metzger, J.-M., Mihalopoulos, N., Nguyen, N. A., Ondracek, J., Pérez, N., Perrone, M. R., Petit, J.-E., Picard, D., Pichon, J.-M., Pont, V., Prats, N., Prenni, A., Reisen, F., Romano, S., Sellegri, K., Sharma, S., Schauer, G., Sheridan, P., Sherman, J. P., Schütze, M., Schwerin, A., Sohmer, R., Sorribas, M., Steinbacher, M., Sun, J., Titos, G., Toczko, B., Tuch, T., Tulet, P., Tunved, P., Vakkari, V., Velarde, F., Velasquez, P., Villani, P., Vratolis, S., Wang, S.-H., Weinhold, K., Weller, R., Yela, M., Yus-Diez, J., Zdimal, V., Zieger, P., and Zikova, N.: A global analysis of climate-relevant aerosol properties retrieved from the network of Global Atmosphere Watch (GAW) near-surface observatories, Atmos. Meas. Tech., 13, 4353–4392, https://doi.org/10.5194/amt-13-4353-2020, 2020.

Lampilahti, J., Manninen, H. E., Leino, K., Väänänen, R., Manninen, A., Buenrostro Mazon, S., Nieminen, T., Leskinen, M., Enroth, J., Bister, M., Zilitinkevich, S., Kangasluoma, J., Järvinen, H., Kerminen, V.-M., Petäjä, T., and Kulmala, M.: Roll vortices induce new particle formation bursts in the planetary boundary layer, Atmos. Chem. Phys., 20, 11841–11854, https://doi.org/10.5194/acp-20-11841-2020, 2020.

Paramonov, M., Drossaart van Dusseldorp, S., Gute, E., Abbatt, J. P. D., Heikkilä, P., Keskinen, J., Chen, X., Luoma, K., Heikkinen, L., Hao, L., Petäjä, T., and Kanji, Z. A.: Condensation/immersion mode ice-nucleating particles in a boreal environment, Atmos. Chem. Phys., 20, 6687–6706, https://doi.org/10.5194/acp-20-6687-2020, 2020.

Rivas, I., Beddows, D. C. S., Amato, F., Green, D. C., Järvi, L., Hueglin, C., Reche, C., Timonen, H., Fuller, G. W., Niemi, J. V., Perez, N., Aurela, M., Hopke, P. K., Alastuey, A., Kulmala, M., Harrison, R. M., Querol, X., Kelly, F. J.: Source apportionment of particle number size distribution in urban background and traffic stations in four European cities, Environ. Int., 135, 105345, https://doi.org/10.1016/j.envint.2019.105345, 2020.

Väisänen, O., Hao, L., Virtanen A., and Romakkaniemi, S.: Trajectory-based analysis on the source areas and transportation pathways of atmospheric particulate matter over Eastern Finland, Tellus B, 72, 1–13, https://doi.org/10.1080/16000889.2020.1799687, 2020. 

Yang, X., Blechschmidt, A.-M., Bognar, K., McClure-Begley, A., Morris, S., Petropavlovskikh, I., Richter, A., Skov, H., Strong, K., Tarasick, D. W., Uttal, T., Vestenius, M., and Zhao, X.: Pan-Arctic surface ozone: modelling vs. measurements, Atmos. Chem. Phys., 20, 15937–15967, https://doi.org/10.5194/acp-20-15937-2020, 2020.

Ylivinkka, I., Kaupinmäki, S., Virman, M., Peltola, M., Taipale, D., Petäjä, T., Kerminen, V.-M., Kulmala, M., and Ezhova, E.: Clouds over Hyytiälä, Finland: an algorithm to classify clouds based on solar radiation and cloud base height measurements, Atmos. Meas. Tech., 13, 5595–5619, https://doi.org/10.5194/amt-13-5595-2020, 2020.

Zaidan, M. A., Motlagh, N. H., Fung, P. L., Lu, D., Timonen, H., Kuula, J., Niemi, J. V., Tarkoma, S., Petaja, T., Kulmala, M., and Hussein, T.: Intelligent Calibration and Virtual Sensing for Integrated Low-Cost Air Quality Sensors, IEEE Sens. J., 20, 22, 13638-13652, https://doi.org/10.1109/JSEN.2020.3010316, 2020.

2019

de Jesus, A. L., Rahman, M. M., Mazaheri, M., Thompson, H., Knibbs, L. D., Jeong, C., Evans, G., Nei, W., Ding, A., Qiao, L., Li, L., Portin, H., Niemi, J. V., Timonen, H., Luoma, K., Petäjä, T., Kulmala, M., …, Morawska, L. (2019). Ultrafine particles and PM2.5 in the air of cities around the world: Are they representative of each other? Environ. Int., 129, 118-135, https://doi.org/10.1016/j.envint.2019.05.021, 2019.

Jiang, J., Aksoyoglu, S., El-Haddad, I., Ciarelli, G., Denier van der Gon, H. A. C., Canonaco, F., Gilardoni, S., Paglione, M., Minguillón, M. C., Favez, O., Zhang, Y., Marchand, N., Hao, L., Virtanen, A., Florou, K., O'Dowd, C., Ovadnevaite, J., Baltensperger, U., and Prévôt, A. S. H.: Sources of organic aerosols in Europe: a modeling study using CAMx with modified volatility basis set scheme, Atmos. Chem. Phys., 19, 15247–15270, https://doi.org/10.5194/acp-19-15247-2019, 2019.

Leino, K., Lampilahti, J., Poutanen, P., Väänänen, R., Manninen, A., Buenrostro Mazon, S., Dada, L., Franck, A., Wimmer, D., Aalto, P. P., Ahonen, L. R., Enroth, J., Kangasluoma, J., Keronen, P., Korhonen, F., Laakso, H., Matilainen, T., Siivola, E., Manninen, H. E., Lehtipalo, K., Kerminen, V.-M., Petäjä, T., and Kulmala, M.: Vertical profiles of sub-3 nm particles over the boreal forest, Atmos. Chem. Phys., 19, 4127–4138, https://doi.org/10.5194/acp-19-4127-2019, 2019.

Liebmann, J., Sobanski, N., Schuladen, J., Karu, E., Hellén, H., Hakola, H., Zha, Q., Ehn, M., Riva, M., Heikkinen, L., Williams, J., Fischer, H., Lelieveld, J., and Crowley, J. N.: Alkyl nitrates in the boreal forest: formation via the NO3-, OH- and O3-induced oxidation of biogenic volatile organic compounds and ambient lifetimes, Atmos. Chem. Phys., 19, 10391–10403, https://doi.org/10.5194/acp-19-10391-2019, 2019.

Luoma, K., Virkkula, A., Aalto, P., Petäjä, T., and Kulmala, M.: Over a 10-year record of aerosol optical properties at SMEAR II, Atmos. Chem. Phys., 19, 11363–11382, https://doi.org/10.5194/acp-19-11363-2019, 2019.

Mohr, C., Thornton, J. A., Heitto, A., Lopez-Hilfiker, F. D., Lutz, A., Riipinen, I., ... Yli-Juuti, T.: Molecular identification of organic vapors driving atmospheric nanoparticle growth, Nat. Commun., 10, 4442, https://doi.org/10.1038/s41467-019-12473-2, 2019.

Praplan, A. P., Tykkä, T., Chen, D., Boy, M., Taipale, D., Vakkari, V., Zhou, P., Petäjä, T., and Hellén, H.: Long-term total OH reactivity measurements in a boreal forest, Atmos. Chem. Phys., 19, 14431–14453, https://doi.org/10.5194/acp-19-14431-2019, 2019.

Roldin, P., Ehn, M., Kurten, T., Olenius, T., Rissanen, M. P., Sarnela, N., ... Boy, M.: The role of highly oxygenated organic molecules in the Boreal aerosol-cloud-climate system, Nat. Commun., 10, 4370, https://doi.org/10.1038/s41467-019-12338-8, 2019.

Schacht, J., Heinold, B., Quaas, J., Backman, J., Cherian, R., Ehrlich, A., Herber, A., Huang, W. T. K., Kondo, Y., Massling, A., Sinha, P. R., Weinzierl, B., Zanatta, M., and Tegen, I.: The importance of the representation of air pollution emissions for the modeled distribution and radiative effects of black carbon in the Arctic, Atmos. Chem. Phys., 19, 11159–11183, https://doi.org/10.5194/acp-19-11159-2019, 2019.

Shen, Y., Virkkula, A., Ding, A., Luoma, K., Keskinen, H., Aalto, P. P., Chi, X., Qi, X., Nie, W., Huang, X., Petäjä, T., Kulmala, M., and Kerminen, V.-M.: Estimating cloud condensation nuclei number concentrations using aerosol optical properties: role of particle number size distribution and parameterization, Atmos. Chem. Phys., 19, 15483–15502, https://doi.org/10.5194/acp-19-15483-2019, 2019.

Tong, H., Zhang, Y., Filippi, A., Wang, T., Li, C., Liu, F., Leppla, D., Kourtchev, I., Wang, K., Keskinen, H.-M., Levula, J. T., Arangio, A. M., Shen, F., Ditas, F., Martin, S. T., Artaxo, P., Godoi, R. H. M., Yamamoto, C. I., de Souza, R. A. F., Huang, R.-J., Berkemeier, T., Wang, Y., Hang, S., Cheng, Y., Pope, F. D., Fu, P., Yao, M., Pöhlker, C., Petäjä, T., Kulmala, M., ... Kalberer, M.: Radical Formation by Fine Particulate Matter Associated with Highly Oxygenated Molecules, Environ. Sci. Technol., 53(21), 12506-12518, https://doi.org/10.1021/acs.est.9b05149, 2019.

Yu, Y., Katsoyiannis, A., Bohlin-Nizzetto, P., Brorstrom-Lunden, E., Ma, J. M., Zhao, Y., Wu, Z. Y., Tych, W., Mindham, D., Sverko, E., Barresi, E., Dryfhout-Clark, H., Fellin, P., Hung, H.: Polycyclic Aromatic Hydrocarbons Not Declining in Arctic Air Despite Global Emission Reduction, Environ. Sci. Technol., 53, 5, 2375–2382, https://doi.org/10.1021/acs.est.8b05353, 2019.

Äijälä, M., Daellenbach, K. R., Canonaco, F., Heikkinen, L., Junninen, H., Petäjä, T., Kulmala, M., Prévôt, A. S. H., and Ehn, M.: Constructing a data-driven receptor model for organic and inorganic aerosol – a synthesis analysis of eight mass spectrometric data sets from a boreal forest site, Atmos. Chem. Phys., 19, 3645–3672, https://doi.org/10.5194/acp-19-3645-2019, 2019.

2018

Chen, X., Quéléver, L. L. J., Fung, P. L., Kesti, J., Rissanen, M. P., Bäck, J., Keronen, P., Junninen, H., Petäjä, T., Kerminen, V.-M., and Kulmala, M.: Observations of ozone depletion events in a Finnish boreal forest, Atmos. Chem. Phys., 18, 49–63, https://doi.org/10.5194/acp-18-49-2018, 2018.

Dada, L., Chellapermal, R., Buenrostro Mazon, S., Paasonen, P., Lampilahti, J., Manninen, H. E., Junninen, H., Petäjä, T., Kerminen, V.-M., and Kulmala, M.: Refined classification and characterization of atmospheric new-particle formation events using air ions, Atmos. Chem. Phys., 18, 17883-17893, https://doi.org/10.5194/acp-18-17883-2018, 2018.

Dall'Osto, M., Beddows, D. C. S., Asmi, A., Poulain, L., Hao, L., Freney, E., Allan, J. D., Canagaratna, M., Crippa, M., Bianchi, F., de Leeuw, G., Eriksson, A., Swietlicki, E., Hansson, H. C., Henzing, J. S., Granier, C., Zemankova, K., Laj, P., Onasch, T., Prevot, A., Putaud, J. P., Sellegri, K., Vidal, M., Virtanen, A., Simo, R., Worsnop, D., O'Dowd, C., Kulmala, M. and Harrison, R. M.: Novel insights on new particle formation derived from a pan-european observing system, Sci. Rep., 8, 1482, https://doi.org/10.1038/s41598-017-17343-9, 2018.

Ezhova, E., Ylivinkka, I., Kuusk, J., Komsaare, K., Vana, M., Krasnova, A., Noe, S., Arshinov, M., Belan, B., Park, S.-B., Lavrič, J. V., Heimann, M., Petäjä, T., Vesala, T., Mammarella, I., Kolari, P., Bäck, J., Rannik, Ü., Kerminen, V.-M., and Kulmala, M.: Direct effect of aerosols on solar radiation and gross primary production in boreal and hemiboreal forests, Atmos. Chem. Phys., 18, 17863–17881, https://doi.org/10.5194/acp-18-17863-2018, 2018.

Hao, L., Garmash, O., Ehn, M., Miettinen, P., Massoli, P., Mikkonen, S., Jokinen, T., Roldin, P., Aalto, P., Yli-Juuti, T., Joutsensaari, J., Petäjä, T., Kulmala, M., Lehtinen, K. E. J., Worsnop, D. R., and Virtanen, A.: Combined effects of boundary layer dynamics and atmospheric chemistry on aerosol composition during new particle formation periods, Atmos. Chem. Phys., 18, 17705-17716, https://doi.org/10.5194/acp-18-17705-2018, 2018.

Hellén, H., Praplan, A. P., Tykkä, T., Ylivinkka, I., Vakkari, V., Bäck, J., Petäjä, T., Kulmala, M., and Hakola, H.: Long-term measurements of volatile organic compounds highlight the importance of sesquiterpenes for the atmospheric chemistry of a boreal forest, Atmos. Chem. Phys., 18, 13839-13863, https://doi.org/10.5194/acp-18-13839-2018, 2018.

Hemmilä, M., Hellén, H., Virkkula, A., Makkonen, U., Praplan, A. P., Kontkanen, J., Ahonen, L., Kulmala, M., and Hakola, H.: Amines in boreal forest air at SMEAR II station in Finland, Atmos. Chem. Phys., 18, 6367-6380, https://doi.org/10.5194/acp-18-6367-2018, 2018.

Kulmala, M.: Build a global Earth observatory, Nature, 553, 21-23, https://doi.org/10.1038/d41586-017-08967-y, 2018.

Laakso, L., Mikkonen, S., Drebs, A., Karjalainen, A., Pirinen, P., and Alenius, P.: 100 years of atmospheric and marine observations at the Finnish Utö Island in the Baltic Sea, Ocean Sci., 14, 617–632, https://doi.org/10.5194/os-14-617-2018, 2018.

Lee, B. H., Lopez-Hilfiker, F. D., D'Ambro, E. L., Zhou, P., Boy, M., Petäjä, T., Hao, L., Virtanen, A., and Thornton, J. A.: Semi-volatile and highly oxygenated gaseous and particulate organic compounds observed above a boreal forest canopy, Atmos. Chem. Phys., 18, 11547-11562, https://doi.org/10.5194/acp-18-11547-2018, 2018.

Nieminen, T., Kerminen, V.-M., Petäjä, T., Aalto, P. P., Arshinov, M., Asmi, E., Baltensperger, U., Beddows, D. C. S., Beukes, J. P., Collins, D., Ding, A., Harrison, R. M., Henzing, B., Hooda, R., Hu, M., Hõrrak, U., Kivekäs, N., Komsaare, K., Krejci, R., Kristensson, A., Laakso, L., Laaksonen, A., Leaitch, W. R., Lihavainen, H., Mihalopoulos, N., Németh, Z., Nie, W., O'Dowd, C., Salma, I., Sellegri, K., Svenningsson, B., Swietlicki, E., Tunved, P., Ulevicius, V., Vakkari, V., Vana, M., Wiedensohler, A., Wu, Z., Virtanen, A., and Kulmala, M.: Global analysis of continental boundary layer new particle formation based on long-term measurements, Atmos. Chem. Phys., 18, 14737-14756, https://doi.org/10.5194/acp-18-14737-2018, 2018.

Nikandrova, A., Tabakova, K., Manninen, A., Väänänen, R., Petäjä, T., Kulmala, M., Kerminen, V.-M., and O'Connor, E.: Combining airborne in situ and ground-based lidar measurements for attribution of aerosol layers, Atmos. Chem. Phys., 18, 10575-10591, https://doi.org/10.5194/acp-18-10575-2018, 2018.

Paasonen, P., Peltola, M., Kontkanen, J., Junninen, H., Kerminen, V.-M., and Kulmala, M.: Comprehensive analysis of particle growth rates from nucleation mode to cloud condensation nuclei in boreal forest, Atmos. Chem. Phys., 18, 12085-12103, https://doi.org/10.5194/acp-18-12085-2018, 2018.

Pandolfi, M., Alados-Arboledas, L., Alastuey, A., Andrade, M., Angelov, C., Artiñano, B., Backman, J., Baltensperger, U., Bonasoni, P., Bukowiecki, N., Collaud Coen, M., Conil, S., Coz, E., Crenn, V., Dudoitis, V., Ealo, M., Eleftheriadis, K., Favez, O., Fetfatzis, P., Fiebig, M., Flentje, H., Ginot, P., Gysel, M., Henzing, B., Hoffer, A., Holubova Smejkalova, A., Kalapov, I., Kalivitis, N., Kouvarakis, G., Kristensson, A., Kulmala, M., Lihavainen, H., Lunder, C., Luoma, K., Lyamani, H., Marinoni, A., Mihalopoulos, N., Moerman, M., Nicolas, J., O'Dowd, C., Petäjä, T., Petit, J.-E., Pichon, J. M., Prokopciuk, N., Putaud, J.-P., Rodríguez, S., Sciare, J., Sellegri, K., Swietlicki, E., Titos, G., Tuch, T., Tunved, P., Ulevicius, V., Vaishya, A., Vana, M., Virkkula, A., Vratolis, S., Weingartner, E., Wiedensohler, A., and Laj, P.: A European aerosol phenomenology – 6: scattering properties of atmospheric aerosol particles from 28 ACTRIS sites, Atmos. Chem. Phys., 18, 7877-7911, https://doi.org/10.5194/acp-18-7877-2018, 2018.

Qi, X., Ding, A., Roldin, P., Xu, Z., Zhou, P., Sarnela, N., Nie, W., Huang, X., Rusanen, A., Ehn, M., Rissanen, M. P., Petäjä, T., Kulmala, M., and Boy, M.: Modelling studies of HOMs and their contributions to new particle formation and growth: comparison of boreal forest in Finland and a polluted environment in China, Atmos. Chem. Phys., 18, 11779-11791, https://doi.org/10.5194/acp-18-11779-2018, 2018.

Rose, C., Zha, Q., Dada, L., Yan, C., Lehtipalo, K., Junninen, H., Buenrostro Mazon, S., Jokinen, T., Sarnela, N., Sipilä, M., Petäjä, T., Kerminen, V.-M., Bianchi, F. and Kulmala, M.: Observations of biogenic ion-induced cluster formation in the atmosphere, Sci. Adv., 4, 2375-2548, https://www.science.org/doi/10.1126/sciadv.aar5218, 2018.

Schallhart, S., Rantala, P., Kajos, M. K., Aalto, J., Mammarella, I., Ruuskanen, T. M., and Kulmala, M.: Temporal variation of VOC fluxes measured with PTR-TOF above a boreal forest, Atmos. Chem. Phys., 18, 815-832, https://doi.org/10.5194/acp-18-815-2018, 2018.

Schmale, J., Henning, S., Decesari, S., Henzing, B., Keskinen, H., Sellegri, K., Ovadnevaite, J., Pöhlker, M. L., Brito, J., Bougiatioti, A., Kristensson, A., Kalivitis, N., Stavroulas, I., Carbone, S., Jefferson, A., Park, M., Schlag, P., Iwamoto, Y., Aalto, P., Äijälä, M., Bukowiecki, N., Ehn, M., Frank, G., Fröhlich, R., Frumau, A., Herrmann, E., Herrmann, H., Holzinger, R., Kos, G., Kulmala, M., Mihalopoulos, N., Nenes, A., O'Dowd, C., Petäjä, T., Picard, D., Pöhlker, C., Pöschl, U., Poulain, L., Prévôt, A. S. H., Swietlicki, E., Andreae, M. O., Artaxo, P., Wiedensohler, A., Ogren, J., Matsuki, A., Yum, S. S., Stratmann, F., Baltensperger, U., and Gysel, M.: Long-term cloud condensation nuclei number concentration, particle number size distribution and chemical composition measurements at regionally representative observatories, Atmos. Chem. Phys., 18, 2853-2881, https://doi.org/10.5194/acp-18-2853-2018, 2018.

Schmeisser, L., Backman, J., Ogren, J. A., Andrews, E., Asmi, E., Starkweather, S., Uttal, T., Fiebig, M., Sharma, S., Eleftheriadis, K., Vratolis, S., Bergin, M., Tunved, P., and Jefferson, A.: Seasonality of aerosol optical properties in the Arctic, Atmos. Chem. Phys., 18, 11599-11622, https://doi.org/10.5194/acp-18-11599-2018, 2018.

Yan, C., Dada, L., Rose, C., Jokinen, T., Nie, W., Schobesberger, S., Junninen, H., Lehtipalo, K., Sarnela, N., Makkonen, U., Garmash, O., Wang, Y., Zha, Q., Paasonen, P., Bianchi, F., Sipilä, M., Ehn, M., Petäjä, T., Kerminen, V.-M., Worsnop, D. R., and Kulmala, M.: The role of H2SO4-NH3 anion clusters in ion-induced aerosol nucleation mechanisms in the boreal forest, Atmos. Chem. Phys., 18, 13231-13243, https://doi.org/10.5194/acp-18-13231-2018, 2018.

Zha, Q., Yan, C., Junninen, H., Riva, M., Sarnela, N., Aalto, J., Quéléver, L., Schallhart, S., Dada, L., Heikkinen, L., Peräkylä, O., Zou, J., Rose, C., Wang, Y., Mammarella, I., Katul, G., Vesala, T., Worsnop, D. R., Kulmala, M., Petäjä, T., Bianchi, F., and Ehn, M.: Vertical characterization of highly oxygenated molecules (HOMs) below and above a boreal forest canopy, Atmos. Chem. Phys., 18, 17437-17450, https://doi.org/10.5194/acp-18-17437-2018, 2018.