Arid
DOI10.3390/w8110527
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
通讯作者Yu, Jingjie
来源期刊WATER
ISSN2073-4441
出版年2016
卷号8期号:11
英文摘要

Lake 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.


英文关键词lake evaporation measurement evaporation model floating E601 evaporation pan lake evaporation time series Lower Heihe River East Juyan Lake
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000389660700051
WOS关键词HEIHE RIVER-BASIN ; EDDY COVARIANCE MEASUREMENTS ; FRESH-WATER LAKE ; PAST 50 YEARS ; PAN-EVAPORATION ; REFERENCE EVAPOTRANSPIRATION ; PENMAN-MONTEITH ; PRIESTLEY-TAYLOR ; TIBETAN PLATEAU ; ENERGY-BALANCE
WOS类目Water Resources
WOS研究方向Water Resources
来源机构中国科学院地理科学与资源研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/196781
作者单位1.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
推荐引用方式
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]. 中国科学院地理科学与资源研究所,2016,8(11).
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).
MLA Liu, Xiao,et al."Lake Evaporation in a Hyper-Arid Environment, Northwest of China-Measurement and Estimation".WATER 8.11(2016).
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