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Lake Evaporation in a Hyper-Arid Environment, Northwest of China-Measurement and Estimation
Liu, Xiao1,2; Yu, Jingjie1,2; Wang, Ping1; Zhang, Yichi1; Du, Chaoyang1,2
2016-11-01
Source PublicationWATER
ISSN2073-4441
Volume8Issue:11Pages:21
Corresponding AuthorYu, Jingjie(yujj@igsnrr.ac.cn)
AbstractLake evaporation is a critical component of the hydrological cycle. Quantifying lake evaporation in hyper-arid regions by measurement and estimation can both provide reliable potential evaporation (ET0) reference and promote a deeper understanding of the regional hydrological process and its response towards changing climate. We placed a floating E601 evaporation pan on East Juyan Lake, which is representative of arid regions' terminal lakes, to measure daily evaporation and conducted simultaneous bankside synoptic observation during the growing season of 2013-2015. A semi-empirical evaporation model derived from Dalton model was parameterized and validated with measured data. The model was then used to estimate lake evaporation during 2002-2015. According to in situ measurements, maximum, minimum and mean lake evaporation were 8.1, 3.7 and 6.5 mm/day, and growing season evaporation was 1183.3 mm (similar to 80% of the annual amount). Adding up non-growing season evaporation that we converted from phi 20 pan evaporation at Ejina weather station, the annual mean lake evaporation, 1471.3 mm, was representative of lower Heihe River's ET0. Model inter-comparison implied our model performed well both in simplicity and accuracy and has potential utilization in a data-sparse area. In 2002-2015, estimated mean daily evaporation was 6.5 mm/day and growing season evaporation was 1233.7 mm. Trend analysis of estimated evaporation proved the evaporation paradox's existence in this hyper-arid region and validated complementary relationship theory's adaptability.
Keywordlake evaporation measurement evaporation model floating E601 evaporation pan lake evaporation time series Lower Heihe River East Juyan Lake
DOI10.3390/w8110527
WOS KeywordHEIHE RIVER-BASIN ; PAST 50 YEARS ; EDDY COVARIANCE MEASUREMENTS ; FRESH-WATER LAKE ; PAN-EVAPORATION ; REFERENCE EVAPOTRANSPIRATION ; PENMAN-MONTEITH ; TIBETAN PLATEAU ; PRIESTLEY-TAYLOR ; ENERGY-BALANCE
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41271049] ; National Natural Science Foundation of China[41371059]
Funding OrganizationNational Natural Science Foundation of China
WOS Research AreaWater Resources
WOS SubjectWater Resources
WOS IDWOS:000389660700051
PublisherMDPI AG
Citation statistics
Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/65484
Collection中国科学院地理科学与资源研究所
Corresponding AuthorYu, Jingjie
Affiliation1.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, 11A Datun Rd, Beijing 100101, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Liu, Xiao,Yu, Jingjie,Wang, Ping,et al. Lake Evaporation in a Hyper-Arid Environment, Northwest of China-Measurement and Estimation[J]. WATER,2016,8(11):21.
APA Liu, Xiao,Yu, Jingjie,Wang, Ping,Zhang, Yichi,&Du, Chaoyang.(2016).Lake Evaporation in a Hyper-Arid Environment, Northwest of China-Measurement and Estimation.WATER,8(11),21.
MLA Liu, Xiao,et al."Lake Evaporation in a Hyper-Arid Environment, Northwest of China-Measurement and Estimation".WATER 8.11(2016):21.
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