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DOI10.1029/2018EF001066
A Global Assessment of Terrestrial Evapotranspiration Increase Due to Surface Water Area Change
Zhan, Shengan1; Song, Chunqiao2; Wang, Jida3; Sheng, Yongwei1; Quan, Jiping1,4,5
发表日期2019
ISSN2328-4277
卷号7期号:3页码:266-282
英文摘要

Surface water, which is changing constantly, is a crucial component in the global water cycle, as it greatly affects the water flux between the land and the atmosphere through evaporation. However, the influences of changing surface water area on the global water budget have largely been neglected. Here we estimate an extra water flux of 30.3 +/- 815.51 km(3)/year omitted in global evaporation calculation caused by a net increase of global surface water area between periods 1984-1999 and 2000-2015. Our estimate is at a similar magnitude to the recent average annual change in global evapotranspiration assuming a stationary surface water area. It is also comparable to the estimated trends in various components of the hydrological cycle such as precipitation, discharge, groundwater depletion, and glacier melting. Our findings suggest that the omission of surface water area changes may cause considerable biases in global evaporation estimation, so an improved understanding of water area dynamics and its atmospheric coupling is crucial to reduce the uncertainty in the estimation of future global water budgets.


WOS研究方向Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences
来源期刊EARTHS FUTURE
文献类型期刊论文
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/94127
作者单位1.Univ Calif Los Angeles, Dept Geog, Los Angeles, CA 90024 USA;
2.Chinese Acad Sci, Nanjing Inst Geog & Limnol, Key Lab Watershed Geog Sci, Nanjing, Jiangsu, Peoples R China;
3.Kansas State Univ, Dept Geog, Manhattan, KS 66506 USA;
4.China Meteorol Adm, Inst Urban Meteorol, Beijing, Peoples R China;
5.Beijing Normal Univ, Fac Geog Sci, Inst Land Surface Syst & Sustainable Dev, Beijing, Peoples R China
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GB/T 7714
Zhan, Shengan,Song, Chunqiao,Wang, Jida,et al. A Global Assessment of Terrestrial Evapotranspiration Increase Due to Surface Water Area Change[J],2019,7(3):266-282.
APA Zhan, Shengan,Song, Chunqiao,Wang, Jida,Sheng, Yongwei,&Quan, Jiping.(2019).A Global Assessment of Terrestrial Evapotranspiration Increase Due to Surface Water Area Change.EARTHS FUTURE,7(3),266-282.
MLA Zhan, Shengan,et al."A Global Assessment of Terrestrial Evapotranspiration Increase Due to Surface Water Area Change".EARTHS FUTURE 7.3(2019):266-282.
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