People

Tom is Professor of Environmental Geochemistry at the Department of Geosciences and Geography in Kumpula. He is director of the Master's Program in Geology and Geophysics (Geo^2) and deputy director of the Doctoral Program in Geosciences (GeoDoc). His research is specialized in sediment biogeochemistry in human-impacted aquatic systems such as the Baltic Sea and eutrophic lakes. Tom is a member of the editorial board of Chemical Geology and co-ordinates the international symposium on lake restoration . He also participates as a key researcher in the Centre.

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Primary teaching responsibilities:

• GEOM2007 Environmental Geochemistry
• GEOM2038 Solid Earth Geochemical Methods
• ECGS-011 Advanced Aquatic and Sediment Biogeochemistry
• ENV-312 Akvaattinen Biogeokemia

Ana is a Postdoctoral Researcher specialized in marine and organic biogeochemistry. Her past research involved the assessment of marine pollution from oil and sewage inputs to subtropical and Antarctic coastal areas, paleoreconstructions of temperature and organic matter input to open ocean systems, and the comparison of paleoarchives data with numerical model results to investigate how climate changes affect the carbon cycling in Arctic lakes. Within the Environmental Geochemistry group, Ana is studying carbon accumulation in sediments. Ana is funded by the Blue Lakes project (EU Recovery and Resilience Facility funding administered via the Research Council of Finland) and by a personal grant from the Kone Foundation.

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Siqi gained her PhD in the Environmental Geochemistry group, studying sedimentary phosphorus dynamics in eutrophic lakes in the agricultural areas of southern Finland. She now works in the group as a Postdoctoral Researcher. Siqi studies internal loading of phosphorus and its impact on recovery from lake eutrophication, using a range of geochemical analyses and reactive transport modeling. Siqi is funded by a collaboration with Länsi Uudenmaan Vesi ja Ympäristö (LUVY.)

Ville is a Postdoctoral Researcher in the group. He works in the SOFTDRINK project (Soft sediment dredging impacts on marine carbon sinks) funded by the Research Council of Finland. Ville is a biogeochemist with a background in low-temperature processes in Earth's surface and subsurface environments. He gained his PhD at EAWAG, the Swiss Federal Institute of Aquatic Science and Technology within the P-Trap doctoral network. In SOFTDRINK, he is working to establish the effects of human activities on carbon stocks in sediments of the Baltic Sea.  

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Frederico is a Doctoral Researcher working on the hypolimnetic withdrawal and treatment pilot project at Lake Kymijärvi, Lahti. His interests are primarily in the mechanisms of phosphorus retention and capture in filtration systems. He is performing column experiments to study the capture of precipitates in porous media in the context of filtration of nutrient-rich hypolimnetic water. Data from field and laboratory experiments will be used to build a hydrogeochemical model to simulate processes in the treatment units. His work aims to support optimization of infrastructure operation in future applications of hypolimnetic withdrawal and therefore to improve strategies for lake restoration. Frederico's work is supported by EDUFI, K.H. Renlund Foundation and the Doctoral program in Geosciences.

Nishant is a Doctoral Researcher working within the PhD collegium. His research is focused on understanding carbon sequestration in coastal marine sediments, in particular the role of macroalgal material in sedimentary blue carbon burial. Nishant is sampling sediments from a range of coastal habitats in the Baltic Sea, to determine the carbon stocks and the sources of organic matter using phenolic biomarkers and other proxies. His work is funded by Nottbeck Foundation via Tvärminne Zoological Station.

Max is a Doctoral Researcher with a background in marine micropaleontology and sediment geochemistry. In his master thesis at University of Gothenburg he investigated the ecological temporal variability in coastal environments using benthic foraminifera, ostracods, heavy metals and sediment geochemistry as indicators. He also has experience working as a specialist in a laboratory that provides services for the identification of harmful substances. For his doctoral studies he is working within the Blue Lakes project. His research is focused on the burial potential of organic carbon in the vegetated areas of boreal lakes. By analysing sediment samples his aim is to deliver new understanding into the role of boreal lakes as natural carbon sinks and shed light on the effect that climate change and anthropogenic activity can have on carbon burial.

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