气候变化领域集成服务门户(CCPortal): Reservoir CO2 and CH4 emissions and their climate impact over the period 1900-2060

CCPortal

DOI	10.1038/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
ISSN	1752-0894
EISSN	1752-0908
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.