Hourly variation of evapotranspiration estimated by visible infrared and microwave data over the northern Tibetan Plateau

doi:10.11972/j.issn.1001-9014.2015.02.015

Home > Archive>Volume 34, Issue 2, 2015 >211-217. DOI:10.11972/j.issn.1001-9014.2015.02.015

Hourly variation of evapotranspiration estimated by visible infrared and microwave data over the northern Tibetan Plateau
DOI:
                        10.11972/j.issn.1001-9014.2015.02.015
                    
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Affiliation:Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions,Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences
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Abstract:

The net radiation, ground heat flux, sensible heat flux and latent heat flux over the Northern Tibetan Plateau at different times of the day were estimated by using land surface observation, the surface energy balance system algorithm, and FY-2E geostationary meteorological satellite visible infrared and FY-3B polar-orbiting satellite microwave remote data. The results from the model agree well with the ground observations from Naqu Alpine Climate Stations with 28.22W·m-2 RMSE in hourly scale. The condition expectation of surface energy components during the summer time of the Northern Tibet were analyzed, and different surface temperature corresponds to the effective energy distribution were also discussed. The results shows regional ET was ranged between 2.0～ 4.0mm over the Northern Tibetan Plateau.

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LIU Rong, WEN Jun, WANG Xin, HU Ze-Yong, KANG Yue. Hourly variation of evapotranspiration estimated by visible infrared and microwave data over the northern Tibetan Plateau[J]. Journal of Infrared and Millimeter Waves,2015,34(2):211~217

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Received:January 08,2014
Revised:January 26,2015
Adopted:March 18,2014
Online: May 18,2015
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