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DOI10.1038/s41561-022-01004-2
Reservoir CO2 and CH4 emissions and their climate impact over the period 1900-2060
Soued, Cynthia; Harrison, John A.; Mercier-Blais, Sara; Prairie, Yves T.
发表日期2022
ISSN1752-0894
EISSN1752-0908
起始页码700
结束页码+
卷号15期号:9页码:7
英文摘要Reservoirs are essential for human populations, but their global carbon footprint is substantial (0.73-2.41 PgCO(2)-equivalent yr(-1)). Yet the temporal evolution of reservoir carbon emissions and their contribution to anthropogenic radiative forcing remains unresolved. Here we quantify the long-term historical and future evolution (1900-2060) of cumulative global reservoir area, carbon dioxide and methane emissions and the resulting radiative forcing. We show that global reservoir carbon emissions peaked in 1987 (4.4 TmolC yr(-1)) and have been declining since, due largely to decreasing carbon dioxide emissions as reservoirs age. However, reservoir-induced radiative forcing continues to rise due to ongoing increases in reservoir methane emissions, which accounted for 5.2% of global anthropogenic methane emissions in 2020. We estimate that, in the future, methane ebullition and degassing flux will make up >75% of the reservoir-induced radiative forcing, making these flux pathways key targets for improved understanding and mitigation. Reservoir-induced radiative forcing is increasing globally due to rising methane emissions outweighing declining carbon dioxide emissions, according to modelling based on reservoir surface area observations.
学科领域Geosciences, Multidisciplinary
语种英语
WOS研究方向Geology
WOS记录号WOS:000848696200001
来源期刊NATURE GEOSCIENCE
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/272468
作者单位University of Quebec; University of Quebec Montreal; Washington State University
推荐引用方式
GB/T 7714
Soued, Cynthia,Harrison, John A.,Mercier-Blais, Sara,et al. Reservoir CO2 and CH4 emissions and their climate impact over the period 1900-2060[J],2022,15(9):7.
APA Soued, Cynthia,Harrison, John A.,Mercier-Blais, Sara,&Prairie, Yves T..(2022).Reservoir CO2 and CH4 emissions and their climate impact over the period 1900-2060.NATURE GEOSCIENCE,15(9),7.
MLA Soued, Cynthia,et al."Reservoir CO2 and CH4 emissions and their climate impact over the period 1900-2060".NATURE GEOSCIENCE 15.9(2022):7.
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