Benchmark results in vector atmospheric radiative transfer |
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| Authors: | Alexander A. Kokhanovsky Vladimir P. Budak Celine Cornet Minzheng Duan Claudia Emde Iosif L. Katsev Dmitriy A. Klyukov Sergey V. Korkin L. C-Labonnote Bernhard Mayer Qilong Min Teruyuki Nakajima Yoshifumi Ota Alexander S. Prikhach Vladimir V. Rozanov Tatsuya Yokota Eleonora P. Zege |
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| Affiliation: | 1. Institute of Environmental Physics, University of Bremen, O. Hahn Allee 1, D-28334 Bremen, Germany;2. Moscow Power Engineering Institute, Krasnokazarmennaya 14, Moscow 11250, Russian Federation;3. Laboratoire d’Optique Atmosphérique, UMR CNRS 8518, Bat. P5, Université Lille 1, 59655 Villeneuve d’Ascq Cedex, France;4. LAGEO, Institute of Atmospheric Physics, Chinese Academy of Science, Beijing 100029, China;5. Deutsches Zentrum für Luft- und Raumfahrt (DLR), Münchner Straße 20, 82234 Weßling, Germany;6. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Pr. Nezavisimosti 68, 220072 Minsk, Belarus;7. Atmospheric Science Research Center, State University of New York, Albany, NY 12203, USA;8. Center for Climate System Research, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8568, Japan;9. Center for Global Environmental Research, National Institute for Environmental Studies, 16-2 Onogawa, Tsukuba 305-8506, Japan |
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| Abstract: | In this paper seven vector radiative transfer codes are inter-compared for the case of underlying black surface. They include three techniques based on the discrete ordinate method (DOM), two Monte-Carlo methods, the successive orders scattering method, and a modified doubling-adding technique. It was found that all codes give very similar results. Therefore, we were able to produce benchmark results for the Stokes parameters both for reflected and transmitted light in the cases of molecular, aerosol and cloudy multiply scattering media. It was assumed that the single scattering albedo is equal to one. Benchmark results have been provided by several studies before, including Coulson et al. [22], Garcia and Siewert [7], [8], Wauben and Hovenier [10], and Natraj et al. [11] among others. However, the case of the elongated phase functions such as for a cloud and with a high angular resolution is presented here for the first time. Also in difference with other studies, we make inter-comparisons using several codes for the same input dataset, which enables us to quantify the corresponding errors more accurately. |
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