Recent intensification of wetland methane feedback

被引：71

作者：

Zhang, Zhen ^{[1
,2
]}

Poulter, Benjamin ^{[3
]}

Feldman, Andrew F. ^{[3
,4
]}

Ying, Qing ^{[2
]}

Ciais, Philippe ^{[5
]}

Peng, Shushi ^{[6
]}

Li, Xin ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst Tibetan Plateau Res, Natl Tibetan Plateau Data Ctr TPDC, State Key Lab Tibetan Plateau Earth Syst Environm, Beijing, Peoples R China

[2] Univ Maryland, Earth Syst Sci Interdisciplinary Ctr, College Pk, MD 20742 USA

[3] NASA, Goddard Space Flight Ctr, Biospher Sci Lab, Greenbelt, MD USA

[4] NASA, Goddard Space Flight Ctr, Postdoctoral Program, Greenbelt, MD USA

[5] UVSQ, CNRS, CEA, UPSACLAY,IPSL LSCE, Gif Sur Yvette, France

[6] Peking Univ, Sino French Inst Earth Syst Sci, Coll Urban & Environm Sci, Beijing, Peoples R China

来源：

NATURE CLIMATE CHANGE | 2023年 / 13卷 / 05期

基金：

中国国家自然科学基金;

关键词：

EMISSIONS; DYNAMICS; DATASET; CLIMATE; GROWTH;

D O I：

10.1038/s41558-023-01629-0

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Atmospheric methane concentrations are increasing and a process-based model now estimates greater methane emissions from wetlands since 2007 than previous studies. Substantial increases in 2020 and 2021 contributed to record-high growth rates in the atmospheric methane burden. The positive response of wetland methane (CH4) emissions to climate change is an important yet uncertain Earth-system feedback that amplifies atmospheric CH4 concentrations. Here, using a wetland model, we report intensified wetland CH4 emissions during 2000-2021, corresponding with 2020 and 2021 being exceptional years of growth. Our results highlight the need for sustained monitoring and observations of global wetland CH4 fluxes to document emerging trends, variability and underlying drivers.

引用

页码：430 / +

页数：12

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