Change and attribution of pan evaporation throughout the Qinghai-Tibet Plateau during 1979-2017 using China meteorological forcing dataset

doi:10.1002/joc.7312

	Change and attribution of pan evaporation throughout the Qinghai-Tibet Plateau during 1979-2017 using China meteorological forcing dataset
	Yao, Tianci 1,2; Lu, Hongwei 1; Yu, Qing 1,2; Feng, Wei 1,2; Xue, Yuxuan 1,2
刊名	INTERNATIONAL JOURNAL OF CLIMATOLOGY
	2021-08-25
页码	15
关键词	pan evaporation attribution analysis climate variability Qinghai-Tibet plateau
ISSN号	0899-8418
DOI	10.1002/joc.7312
通讯作者	Lu, Hongwei(luhw@igsnrr.ac.cn)
英文摘要	Pan evaporation (E-pan) analysis in the Qinghai-Tibet Plateau (QTP) is important for improving the understanding of the climatic and environmental changes in the QTP and China. However, uneven station coverage, sparse and inconsistent observations hamper the in-depth understanding of the spatiotemporal E-pan patterns throughout the QTP over long time periods. Based on the PenPan model driven by the monthly gridded China meteorological forcing dataset, this study attempted to estimate monthly and annual grid pan evaporation (E-PenPan) for the pan with a depth of 10 cm and a diameter of 20 cm at 0.1 degrees resolution throughout the QTP and its surrounding areas during 1979-2017, then the spatiotemporal variations in E-PenPan as well as the potential causative climatic variables were thoroughly examined. Results showed that the spatiotemporal patterns of E-PenPan were in reasonably good agreement with the observations. The high values of mean annual E-PenPan tended to distribute in the areas with water limitation or strong solar radiation like the southwest QTP. The wide decreases in annual E-PenPan have reversed in the study area in around 1993, with some exceptions such as the continuous increase in the southwest QTP and monotonous decrease in the areas to the west and east of the Qaidam Basin. Comparatively, the trends in annual E-PenPan in the QTP were less than the surrounding areas in the different periods, and overall accelerating annual E-PenPan appeared in the both areas after 1993. With the Budyko curve, it was expected that drought severity would increase in the south of the surrounding areas in future, but the warming and wetting in the other areas would be kept. The wind speed (WS) was the primary contributor to decreasing annual E-PenPan in the study area before 1993. Nevertheless, the most dominant factor for increasing E-PenPan was vapour pressure deficit in the QTP and WS in the surrounding areas during 1994-2017.
资助项目	National Key Research and Development Program of China[2019YFC0507801] ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP)[2019QZKK1003] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA20040301] ; CAS Interdisciplinary Innovation Team[JCTD-2019-04] ; National Natural Science Foundation of China[41890824]
WOS关键词	DECREASING WIND-SPEED ; LONG-TERM TRENDS ; POTENTIAL EVAPOTRANSPIRATION ; RIVER-BASIN ; TEMPERATURE ; PRECIPITATION ; DEMAND ; IMPACT ; REGION ; CYCLE
WOS研究方向	Meteorology & Atmospheric Sciences
语种	英语
出版者	WILEY
WOS记录号	WOS:000688085800001
资助机构	National Key Research and Development Program of China ; Second Tibetan Plateau Scientific Expedition and Research Program (STEP) ; Strategic Priority Research Program of Chinese Academy of Sciences ; CAS Interdisciplinary Innovation Team ; National Natural Science Foundation of China
内容类型	期刊论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/165141]
专题	中国科学院地理科学与资源研究所
通讯作者	Lu, Hongwei
作者单位	1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, 11 Datun Rd, Beijing 100101, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China
推荐引用方式 GB/T 7714	Yao, Tianci,Lu, Hongwei,Yu, Qing,et al. Change and attribution of pan evaporation throughout the Qinghai-Tibet Plateau during 1979-2017 using China meteorological forcing dataset[J]. INTERNATIONAL JOURNAL OF CLIMATOLOGY,2021:15.
APA	Yao, Tianci,Lu, Hongwei,Yu, Qing,Feng, Wei,&Xue, Yuxuan.(2021).Change and attribution of pan evaporation throughout the Qinghai-Tibet Plateau during 1979-2017 using China meteorological forcing dataset.INTERNATIONAL JOURNAL OF CLIMATOLOGY,15.
MLA	Yao, Tianci,et al."Change and attribution of pan evaporation throughout the Qinghai-Tibet Plateau during 1979-2017 using China meteorological forcing dataset".INTERNATIONAL JOURNAL OF CLIMATOLOGY (2021):15.