Biogeosciences
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Articles | Volume 20, issue 6
Articles | Volume 20, issue 6
https://doi.org/10.5194/bg-20-1181-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/bg-20-1181-2023
© Author(s) 2023. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 6
Research article
 | 
27 Mar 2023
Research article |  | 27 Mar 2023

Methane emissions from Arctic landscapes during 2000–2015: an analysis with land and lake biogeochemistry models

Xiangyu Liu and Qianlai Zhuang

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Short summary
We are among the first to quantify methane emissions from inland water system in the pan-Arctic. The total CH4 emissions are 36.46 Tg CH4 yr−1 during 2000–2015, of which wetlands and lakes were 21.69 Tg yr−1 and 14.76 Tg yr−1, respectively. By using two non-overlap area change datasets with land and lake models, our simulation avoids small lakes being counted twice as both lake and wetland, and it narrows the gap between two different methods used to quantify regional CH4 emissions.
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