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Remote Sensing Technology and Application  2018, Vol. 33 Issue (2): 284-295    DOI: 10.11873/j.issn.1004-0323.2018.2.0284
    
Land Surface Temperature Retrieval from Landsat-8 Data with the Generalized Split Window Algorithm
Li Shanshan,Jiang Gengming

(Key Laboratory of Information Science for Electromagnetic Waves,Ministry of Education,Fudan University,Shanghai 200433,China)
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Abstract  This work addresses the LST retrieval from Landsat\|8 data with the generalized split\|window algorithm.Firstly,radiative transfer modeling experiment is conducted using MODTRAN 4.0,fed with SeeBor V5 atmospheric profile database to build a data set of LST related to brightness temperatures in the bands 10 and 11 of Thermal Infrared Sensor(TIRS) on Landsat-8,Land Surface Emissivities(LSEs),viewing zenith angle and Total Precipitable Water(TPW).Secondly,based on the modeling data set,the unknown coefficients of the generalized split-window algorithm are obtained,and the algorithm sensitivity is analyzed.Then,LSTs are derived from the inter-calibrated and clear sky Landsat\|8 data with the generalized split\|window algorithm,in which LSEs are estimated from Landsat\|8 Operational Land Imager(OLI) data,and TPWs are extracted from the European Centre for Medium-range Weather Forecasts(ECMWF) reanalysis data.Finally,the results are validated with the Moderate resolution Imaging Spectroradiometer(MODIS) LST/LSE product(MOD11_L2 V5).The results show that the generalized split window algorithm developed in this work can accurately retrieve LST from the Landsat\|8 data,and the error is mainly come from the uncertainty of LSEs and TPW.Before and after correction of LSEs and TPW,the LST errors in this work are,respectively,-0.64 ±0.81 K and 0.10±0.68 K against the MOD11_L2 V5 product.
Key words:  Landsat-8 data;Radiative transfer modeling experiment;Land surface emissivities;Generalized split\      window algorithm;Land surface temperature retrieval;Accuracy validation
     
Received:  27 March 2017      Published:  15 May 2018
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Li Shanshan
Jiang Gengming

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Li Shanshan,Jiang Gengming. Land Surface Temperature Retrieval from Landsat-8 Data with the Generalized Split Window Algorithm. Remote Sensing Technology and Application, 2018, 33(2): 284-295.

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http://www.rsta.ac.cn/EN/10.11873/j.issn.1004-0323.2018.2.0284     OR     http://www.rsta.ac.cn/EN/Y2018/V33/I2/284

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