Journal of Atmospheric and Environmental Optics ›› 2010, Vol. 5 ›› Issue (4): 293-298.

• 论文 • Previous Articles     Next Articles

Retrieval Land Surface Temperature Based on Landsat 5 TM

WANG Yan-mei,YANG Shi-zhi ,WANG Zhen,CUI Sheng-cheng   

  1. (Key Laboratory of Optical Calibration and Characterization, Anhui Institute of Optics and Fine Mechanics, Chinese Academy of Sciences,Hefei 230031,China)
  • Received:2010-02-03 Revised:2010-03-30 Online:2010-07-28 Published:2010-07-21

Abstract:

The thermal band 6 data of Landsat 5 is used to retrieve land surface temperature of Hefei with mono-window algorithm. The atmospheric water vapour content is high in the summer. In the study, Modtran is used to simulate the relationship between water vapour content and atmospheric transmittance, the water vapour content is between 0.4 and 5.4 . And then the simulation result and modis water vapor product are used to atmospheric correction and landsat surface temperature retrieval. Select uniform zone temperature and compare to modis temperature product. The comparison result shows the contrast of vegetation is less than 1K while construction is less than 1.1K. The result can be used to atmospheric correction and then retrieve land surface temperature.

Key words: mono-window algorithm, land surface emissivity, atmospheric mean temperature, atmospheric transmittance, Modtran

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