Abstract
On the basis of simplification of the Planck function in a low temperature range, this paper revises the practical split-window algorithm and presents a method for retrieving snow surface temperature (Ts) based on MODIS data in the middle-latitude region. The application of this method in Qinghai Lake region reveals that it is feasible for the retrieval of T s . Results of correlation analysis indicate that there was strong negative relationship between T s and altitude. By analyzing three typical areas in which land cover was relatively homogenous, this paper discusses the relationship between T s and normalized difference snow index (NDSI) and then presents a new concept named “NDSI-Ts space”.
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Supported by the National Natural Science Foundation of China (No.40771136), the International Scientific and Technological Cooperation Program (No.2007DFA20640) and the National 973 Program of China (No. 2007CB714402, 2007CB714403).
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Zhou, J., Chen, Y., Li, J. et al. Retrieving snow surface temperature based on MODIS data. Geo-spat. Inf. Sci. 11, 247–251 (2008). https://doi.org/10.1007/s11806-008-0102-z
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DOI: https://doi.org/10.1007/s11806-008-0102-z