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Satellite-based actual evapotranspiration estimation in the middle reach of the Heihe River Basin using the SEBAL method
Li, Shoubo; Zhao, Wenzhi1
2010-11-15
Source PublicationHYDROLOGICAL PROCESSES
Volume24Issue:23Pages:3337-3344
AbstractIn this study, the Surface Energy Balance Algorithm for Land (SEBAL) method from the meteorological stations and remote sensing data was used to compute the evapotranspiration (ET) rate for the middle reach of Heihe River Basin in China, in order to analyse the distribution of ET over the whole area including and surrounding the river. Energy fluxes and daily ET maps were calculated for the study area, and a number of statistics computed for each type of land cover. The results show that the ET in the study area ranged from 0 to 4.94, with an average value of 1.68 mm, on 23 September 2007. The highest ET values appeared over all types of water bodies, including rivers, reservoirs, etc., and the lowest values appeared over residential areas and in the Gobi desert. The differing values of ET for different land-cover types were due mainly to the differences in evaporative fraction. The quantity of ET was about 1.06 x 10(7) m(3) in the oasis over the course of the day, with 6.50 x 10(6) m(3) of this amount generated by farmland, approximately 61%. Micro-lysimeters were placed in the study area in 2009, in order to calculate cumulative ET over an entire growing season, in the future. Copyright (C) 2010 John Wiley & Sons, Ltd.
SubtypeArticle
KeywordEvapotranspiration Energy Balance Remote Sensing Surface Energy Balance Algorithm For Land
WOS HeadingsScience & Technology ; Physical Sciences
WOS Subject ExtendedWater Resources
WOS KeywordENERGY BALANCE ALGORITHM ; SURFACES ; FIELD
Indexed BySCI
Language英语
WOS SubjectWater Resources
WOS IDWOS:000284066600004
PublisherJOHN WILEY & SONS LTD
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/67960
Collection中国科学院地理科学与资源研究所
Corresponding AuthorZhao, Wenzhi
Affiliation1.Chinese Acad Sci, Linze Inland River Basin Comprehens Res Stn, Chinese Ecosyst Res Network, Key Lab Ecohydrol Inland River Basin Cold & Arid, Lanzhou 730000, Peoples R China
2.Chinese Acad Sci, Environm & Engn Res Inst, Lanzhou 730000, Peoples R China
Recommended Citation
GB/T 7714
Li, Shoubo,Zhao, Wenzhi. Satellite-based actual evapotranspiration estimation in the middle reach of the Heihe River Basin using the SEBAL method[J]. HYDROLOGICAL PROCESSES,2010,24(23):3337-3344.
APA Li, Shoubo,&Zhao, Wenzhi.(2010).Satellite-based actual evapotranspiration estimation in the middle reach of the Heihe River Basin using the SEBAL method.HYDROLOGICAL PROCESSES,24(23),3337-3344.
MLA Li, Shoubo,et al."Satellite-based actual evapotranspiration estimation in the middle reach of the Heihe River Basin using the SEBAL method".HYDROLOGICAL PROCESSES 24.23(2010):3337-3344.
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