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DOI	10.1016/j.jhydrol.2020.124688
	A global quantitation of factors affecting evapotranspiration variability
	Feng, Shuyun 1; Liu, Jianyu 1; Zhang, Qiang2,3,4 ; Zhang, Yongqiang 5; Singh, Vijay P.6,7; Gu, Xihui 8; Sun, Peng 9
通讯作者	Liu, Jianyu ; Zhang, Qiang
来源期刊	JOURNAL OF HYDROLOGY
ISSN	0022-1694
EISSN	1879-2707
出版年	2020
卷号	584
英文摘要	Scientific viewpoints on the long-term hydrological responses to factors other than climatic change remain controversial and yet the impacts of these factors are often neglected at the short-term (such as monthly and annual) timescale. We developed an analytical method to decompose evapotranspiration (E) variability to the variability of precipitation (P), potential evapotranspiration (E-0), total water storage change (Delta S), and catchment characteristics (n), such as vegetation, soil and climate seasonality. Global assessment showed that P enhanced E variability in most regions, while restrained E variability in some extremely humid regions. E-0 controlled monthly E variability in most the energy-constrained regions. Delta S had much larger impacts on E variability at monthly scale compared to the annual scale, and restrained E variability in many arid regions (P/E-0 < 0.66). Catchment characteristics had larger impacts on E variability in humid regions (P/E-0 > 0.66), especially at annual scale. The dominant factors of E variability varied with timescales and regions. At a global scale, P and catchment characteristics are the dominant factors controlling global E variability at monthly and annual scales, respectively; In humid regions, however, the impacts of E-0 on monthly E variability are generally larger than the impacts of precipitation and catchment characteristics. We highlight the necessity to consider the impacts of catchment characteristics even at the short-term timescales, otherwise the simulation and attribution of E variability would be significantly underestimated.
英文关键词	Climate change Global evapotranspiration Attribution Budyko framework Different timescales
类型	Article
语种	英语
国家	Peoples R China ; Australia ; USA
收录类别	SCI-E
WOS记录号	WOS:000527390200002
WOS关键词	CATCHMENT WATER-BALANCE ; INTERANNUAL VARIABILITY ; TEMPORAL VARIABILITY ; TERRESTRIAL STORAGE ; VEGETATION DYNAMICS ; ENERGY-BALANCE ; CLIMATE ; EVAPORATION ; STREAMFLOW ; RUNOFF
WOS类目	Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS研究方向	Engineering ; Geology ; Water Resources
来源机构	北京师范大学 ; Commonwealth Scientific and Industrial Research Organisation
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/315003
作者单位	1.China Univ Geosci, Lab Crit Zone Evolut, Sch Geog & Informat Engn, Wuhan 430074, Peoples R China; 2.Beijing Normal Univ, Key Lab Environm Change & Nat Disaster, Minist Educ, Beijing 100875, Peoples R China; 3.Beijing Normal Univ, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China; 4.Beijing Normal Univ, Fac Geog Sci, Acad Disaster Reduct & Emergency Management, Beijing 100875, Peoples R China; 5.CSIRO Land & Water, GPO Box 1700, Canberra, ACT 2601, Australia; 6.Texas A&M Univ, Dept Biol & Agr Engn, College Stn, TX USA; 7.Texas A&M Univ, Zachry Dept Civil Engn, College Stn, TX USA; 8.China Univ Geosci, Dept Atmospher Sci, Sch Environm Studies, Wuhan 430074, Peoples R China; 9.Anhui Normal Univ, Coll Geog & Tourism, Wuhu 241000, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Feng, Shuyun,Liu, Jianyu,Zhang, Qiang,et al. A global quantitation of factors affecting evapotranspiration variability[J]. 北京师范大学, Commonwealth Scientific and Industrial Research Organisation,2020,584.
APA	Feng, Shuyun.,Liu, Jianyu.,Zhang, Qiang.,Zhang, Yongqiang.,Singh, Vijay P..,...&Sun, Peng.(2020).A global quantitation of factors affecting evapotranspiration variability.JOURNAL OF HYDROLOGY,584.
MLA	Feng, Shuyun,et al."A global quantitation of factors affecting evapotranspiration variability".JOURNAL OF HYDROLOGY 584(2020).