Journal of Atmospheric and Environmental Optics, Volume. 5, Issue 1, 19(2010)
Cloud Radiative Transfer Simulation Using LibRadtran and Comparisons with SBDART
Parameterization of water cloud and ice cloud optical properties included in the libRadtran software package are introduced. These optical properties include single-scattering albedo, extinction coefficient and asymmetry factor. Then simulations for water cloud and ice cloud at 0.65 m, 1.64 m and 2.13 m are conducted. Comparison with SBDART simulation shows that there are similar results in the visible region and significant differences in the solar near-infrared region. Parameterization of ice cloud for various particle habits in the libRadtran have better approximation than Mie calculation for sphere ice particles used in the SBDART. A pre-computed look-up table of the bidirectional reflection in retrieving ice clouds optical thickness and effective particle radius can be improved by libRadtran.
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SUN Yu, LIN Long-fu, ZHAO Zeng-liang, YAN Wei, YAO Zhi-gang. Cloud Radiative Transfer Simulation Using LibRadtran and Comparisons with SBDART[J]. Journal of Atmospheric and Environmental Optics, 2010, 5(1): 19
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Received: Sep. 7, 2009
Accepted: --
Published Online: May. 31, 2010
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CSTR:32186.14.