| 中国西部SMMR积雪图的修正 |
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| 引用本文： | 李培基 Cha.,ATC.中国西部SMMR积雪图的修正[J].冰川冻土,1992,14(4):366-374. |
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| 作者姓名： | 李培基 Cha. ATC |
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| 作者单位： | 中国科学院兰州冰川冻土研究所，中国科学院兰州冰川冻土研究所，Hy drological Sciences Branch，NASA Goddard Space Flight Center，Department of Geography，Rutgers University U.S.A.，New Jersey，U.S.A |
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| 摘 要： |
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| 关 键 词： | 积雪 图 深度 面积 中国 西部 |
First Revisal of SMMR World Map Over Western China |
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| Li Peiji and Cao Meisheng.First Revisal of SMMR World Map Over Western China[J].Journal of Glaciology and Geocryology,1992,14(4):366-374. |
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| Authors: | Li Peiji and Cao Meisheng |
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| Abstract: | Baced on analysis of inaccuracies and limits for use of SMMR snow products in western China, and by comparisons of world snow maps produced by NASA employing data from SMMR with DMSP imagery, NOAA snow charts, and station data, a regional snow parameter retrieval algorithm was developed to replace the current single hemispheric algorithm, and to account for the effect of the atmospheric conditions as well as snow area adjustment in western China. This resulted in improved snow depth and snow cover area estimates in western China when compared with meteorological station data and DMSP snow charts. The adjusted SMMR snow data have ability to monitor annual cycle and year-to-year fluctuation of snow cover over the Tibetan Plateau. |
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| Keywords: | passive microwave remote sensing of snow comparison of snow cover datasets effect of atmospheric conditions snow-depth retrieval algorithm adjustment |
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