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Greenhouse gas sampling on SITES lakes has begun

Sampling GHG chambers at Stortjärn (Svartberget). Photo: Andreas Palmén Sampling GHG chambers at Stortjärn (Svartberget). Photo: Andreas Palmén
As part of the SITES Water monitoring program, floating chambers are used to determine greenhouse gas (GHG) emissions of carbon dioxide (CO2) and methane (CH4) from lakes. The GHG program is conducted at five stations (Abisko, Asa, Erken, Skogaryd and Svartberget) and runs throughout the open water season. The sampling strategy, three transects each with four chambers spread across a depth interval, is based on the lake depth structure and is individual for the different stations. Since the lakes are spread across different climate gradients, the open water season varies, with lakes located in southern Sweden able to start the program earlier in the year.   
Chamber placed on Erssjön (Skogaryd)  Photo: Siva Natchimuthu
Chamber placed on Erssjön (Skogaryd) Photo: Siva Natchimuthu

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