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Evapotranspiration variations in the Yangtze River Basin from multi-satellite remote sensing data
Tian, Xiaojuan1,2; Jin, Shuanggen1,3
2020-06-01
Source PublicationJOURNAL OF WATER AND CLIMATE CHANGE
ISSN2040-2244
Volume11Issue:2Pages:451-467
AbstractEvapotranspiration (ET) variations in the Yangtze River Basin (YRB) are influenced by environmental and climate changes related to planting of crops, forest vegetation, water use and other human activities. However, it is difficult to measure ET variations and analyse influencing factors in the YRB due to lack of in-situ measurements. In the present study, the ET variations were estimated and investigated in the whole, the upper, middle and lower reaches of the YRB using the Gravity Recovery and Climate Experiment (GRACE), optical remote sensing data and hydrological models based on a water balance method, which was validated by MODerate Resolution Imaging Spectroradiometer (MODIS) observations and models. Furthermore, GRACE-ET verified the drought events in 2006 and 2011. The long-term variation rate of GRACE-ET is 0.79 mm/yr. The spatial distribution of seasonal ET variations indicates that ET is highest in summer and lowest in autumn-winter. It also shows that the completion of the Three Gorges Project has certainly increased ET. Precipitation and temperature have the largest impact on the ET variations; radiation and soil moisture have moderate effects. ET variations in the middle and lower reaches are greatly affected by precipitation, and temperature plays a more important role in the upper YRB reaches.
Keywordclimate change evapotranspiration GRACE Yangtze River Basin (YRB)
Funding OrganizationNational Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project
DOI10.2166/wcc.2018.104
WOS KeywordSATELLITE GRAVITY ; GRACE ; GROUNDWATER ; SURFACE ; MODEL
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC) Project[11373059]
Funding OrganizationNational Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project ; National Natural Science Foundation of China (NSFC) Project
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000538000900009
PublisherIWA PUBLISHING
Citation statistics
Document Type期刊论文
Identifierhttp://ir.bao.ac.cn/handle/114a11/83356
Collection中国科学院国家天文台
Corresponding AuthorJin, Shuanggen
Affiliation1.Chinese Acad Sci, Shanghai Astron Observ, Shanghai 200030, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Nanjing Univ Informat Sci & Technol, Sch Remote Sensing & Geomat Engn, Nanjing 210044, Peoples R China
Recommended Citation
GB/T 7714
Tian, Xiaojuan,Jin, Shuanggen. Evapotranspiration variations in the Yangtze River Basin from multi-satellite remote sensing data[J]. JOURNAL OF WATER AND CLIMATE CHANGE,2020,11(2):451-467.
APA Tian, Xiaojuan,&Jin, Shuanggen.(2020).Evapotranspiration variations in the Yangtze River Basin from multi-satellite remote sensing data.JOURNAL OF WATER AND CLIMATE CHANGE,11(2),451-467.
MLA Tian, Xiaojuan,et al."Evapotranspiration variations in the Yangtze River Basin from multi-satellite remote sensing data".JOURNAL OF WATER AND CLIMATE CHANGE 11.2(2020):451-467.
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