Simulation and Projection of Evapotranspiration over the Tibetan Plateau Based on CAS-ESM2

doi:10.11867/j.issn.1001-8166.2021.084

Advances in Earth Science ›› 2021, Vol. 36 ›› Issue (8): 797-809. doi: 10.11867/j.issn.1001-8166.2021.084

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Simulation and Projection of Evapotranspiration over the Tibetan Plateau Based on CAS-ESM2

Fengyun TIAN ^1, ²( ),Chenglai WU ¹( ),He ZHANG ¹,Zhaohui LIN ^1, ²

^1.International Center for Climate and Environment Sciences，Institute of Atmospheric Physics，Chinese Academy of Sciences，Beijing 100029，China
^2.University of Chinese Academy of Sciences，Beijing 100049，China

Received:2021-05-07 Revised:2021-07-26 Online:2021-08-10 Published:2021-09-22
Contact: Chenglai WU E-mail:tianfengyun@mail.iap.ac.cn;wuchenglai@mail.iap.ac.cn;wuchenglai@ mail.iap.ac.cn
About author:TIAN Fengyun (1996-), female, Jinan City, Shandong Province, Ph.D student. Research areas include terrestrial water cycle and land surface model. E-mail: tianfengyun@mail.iap.ac.cn
Supported by:
the National Key Research and Development Program of China "Development of global high resolution land surface model and its applications"(2017YFA0604304);The National Natural Science Foundation of China "Simulation of the effect of absorptive aerosol deposition on snow to land surface energy and water cycle over the Tibetan Plateau"(41975119)

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Fengyun TIAN,Chenglai WU,He ZHANG,Zhaohui LIN. Simulation and Projection of Evapotranspiration over the Tibetan Plateau Based on CAS-ESM2[J]. Advances in Earth Science, 2021, 36(8): 797-809.

The performance of Earth System Model Version 2 of the Chinese Academy of Sciences （CAS-ESM2） in simulating the evapotranspiration over the Tibetan Plateau was evaluated using the GLEAM dataset， i.e.， Global Land Surface Evaporation： the Amsterdam Methodology Version 3.3a. Then， the projected future changes of evapotranspiration and relevant meteorological variables over the Tibetan Plateau using CAS-ESM2 were also been presented. The results show that CAS-ESM2 can reasonably reproduce the observed geographical distribution and seasonal cycle of evapotranspiration over the Tibetan Plateau. CAS-ESM2 can also reproduce the increasing trend of evapotranspiration during 1981-2014 over the plateau， but with relatively weaker magnitudes. Based on the CAS-ESM2 projection results under four different Shared Socioeconomic Pathways （SSP） scenarios，

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