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《Geospatial Information》 2010-01
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Method for Land Surface Temperature Retrieval

MENG Fanying1,LIU Zhiming2,WANG Xiaojuan3 (1.Department of Civil Engineering,The City College of Jilin Architectural and Civil Engineering Institute,Changchun 130111,China;2.College of Urban and Environmental Sciences,Northeast Normal University,Changchun 130024,China;3.Special Profession Department,Aviation University of Air Force,Changchun 130022,China)  
Adopting the split-window algorithm and the two-factor model,the author has retrieved the land surface temperature from the MODIS data of western Jilin province in three continuous years.For one thing,the paper calculated the on-board brightness values and the temperature values using selected MODIS data band separately.Secondly,the author combined vegetation index with land surface classification to obtain the land surface ratio radiance.Subsequently,we can gain the content of atmosphere moisture by calculating MODIS data and the atmospheric permeation ratio by using the atmosphere radiation transmit model.Finally,the land surface temperature was retrieved from the split-window algorithm.The experimental results show that we can obtain reasonable retrieval conclusion of land surface temperature.To a certainty,it has applied value towards agricultural dynamic drought monitoring.
【Fund】: 国家自然科学基金资助项目(40471086);; 吉林省科技厅资助项目(20060424)
【CateGory Index】: TP79
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