globalchange  > 气候减缓与适应
DOI: 10.1002/joc.5350
论文题名:
Climate-related trends of actual evapotranspiration over the Tibetan Plateau (1961–2010)
作者: Zhang T.; Gebremichael M.; Meng X.; Wen J.; Iqbal M.; Jia D.; Yu Y.; Li Z.
刊名: International Journal of Climatology
ISSN: 8998418
出版年: 2018
卷: 38
起始页码: e48
结束页码: e56
语种: 英语
英文关键词: actual evapotranspiration ; forcing factor ; temporal and spatial trend ; the Tibetan Plateau
Scopus关键词: Global warming ; Soil moisture ; Water supply ; Actual evapotranspiration ; Advection-Aridity model ; Forcing factor ; Hydrologic cycles ; Meteorological station ; Potential evapotranspiration ; Temporal and spatial ; Tibetan Plateau ; Evapotranspiration ; advection ; aridity ; atmospheric forcing ; climate change ; global warming ; hydrological cycle ; potential evapotranspiration ; precipitation (climatology) ; spatiotemporal analysis ; trend analysis ; twentieth century ; twenty first century ; China ; Qinghai-Xizang Plateau
英文摘要: Actual evapotranspiration (ETa) is an important component of the hydrologic cycle. In this study, ETa on the Tibetan Plateau (TP) is calculated using the advection-aridity model (AA model) with data from 86 meteorological stations during the period from 1961 to 2010. Results show that the mean annual ETa over the TP was 543 mm and range from 147 to 687 mm, with higher values in the southern part and lower values in the northern part of the TP. During 1961–2010, annual and seasonal mean ETa show statistically increasing trend at most all stations. Annual ETa in area-averaged over the TP changed +1.01 mm year−1. Among the four seasons, the changes were most pronounced in March, April, May (MAM) and June, July, August (JJA). ETa variation is significantly and positively correlated with a drought index, defined as the difference between precipitation (P) and potential evapotranspiration (ETp), i.e. P − ETp, showing that the ETa increases over the TP tend to be affected by an increasing soil water supply associated with global warming, such as the retreat of permafrost, increase in P, and decline of ETp. © 2017 Royal Meteorological Society
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/117012
Appears in Collections:气候减缓与适应

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作者单位: Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions, Northwest Institute of Eco-Environment and Resources, Chinese Academy of Science, Lanzhou, China; Department of Civil and Environmental Engineering, University of California, Los Angeles, CA, United States; Pingliang Land Surface Process and Severe Weather Research Station, Chinese Academy of Science, Lanzhou, China; Zoige Wetland and Ecosystem Research Station, Northwest Institute of Eco-Environment and Resources, Lanzhou, China; College of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu, China

Recommended Citation:
Zhang T.,Gebremichael M.,Meng X.,et al. Climate-related trends of actual evapotranspiration over the Tibetan Plateau (1961–2010)[J]. International Journal of Climatology,2018-01-01,38
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