Paper Highlight: The Contribution of Boreal Wetlands to the Northern Hemisphere Carbonyl Sulfide Sink

Boreal wetlands, like the one in Siikaneva, Finland, are an important, previously uncounted sink for Carbonyl Sulfide (COS). The Siikaneva wetland takes up about 11 pmol m^-2s^-1 of COS, which is 72% of the nearby boreal forest’s uptake. Upscaling our measurements to the boreal region using the ORCHIDEE model changes the Northern latitude from a small COS source to a sink. This impacts the carbon uptake estimates based on COS in the northern latitudes. This highlights the importance of including boreal wetlands in the global budget of COS.

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