Towards a local split window method over land surfaces

作者: FRANÇOIS BECKER , ZHAO-LIANG LI

DOI: 10.1080/01431169008955028

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摘要: The split window method is successfully being used to retrieve the temperature over sea surfaces from satellite radiances in clear sky and has the great advantage of simplicity. However, such a method does not work over land surfaces, mainly because the emissivity is not equal to 1 and depends on the channel. An extension of this method to apply to land surfaces requires one to take account of emissivity—such an extension is presented in this paper. First, using Lowtran 6, the accuracies of the various linearizations of the radiative …

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