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Comparison of Radiative Transfer Models for Simulating Snow Surface Thermal Infrared Emissivity

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5 Author(s)
Jie Cheng ; College of Global Change and Earth System Science, Department of Geography, State Key Laboratory of Remote Sensing Sciences, Jointly Sponsored by Beijing Normal University and Chinese Academy of Sciences, Beijing Normal University, University of Maryland, Beijing, Beijing, College Park, ChinaChinaMD, USA ; Shunlin Liang ; Fuzhong Weng ; Jindi Wang
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In this study, three analytical radiative transfer (RT) models and a numerical RT model are used to simulate the thermal-infrared (8-13 μm) emissivity spectra of snow surfaces. The single-scattering albedo and asymmetry factor calculated by Mie theory, in conjunction with that modified by two existing packing correction methods, are used as inputs to these RT models. The simulated snow emissivity spectra are compared with in situ measurements. The best models for simulating snow emissivity spectra are identified at the conclusion of this paper.

Published in:

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing  (Volume:3 ,  Issue: 3 )