| 青藏高原积雪、冻土对中国夏季降水影响研究 |
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| 引用本文： | 高荣,钟海玲,董文杰,韦志刚.青藏高原积雪、冻土对中国夏季降水影响研究[J].冰川冻土,2011,33(2):254-260. |
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| 作者姓名： | 高荣 钟海玲 董文杰 韦志刚 |
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| 作者单位： | 中国气象局,气候研究开放实验室,国家气候中心,北京,100081;北京师范大学地表过程与资源生态国家重点实验室,北京,100875;中国科学院寒区旱区环境与工程研究所,甘肃,兰州,730000 |
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| 基金项目： | 国家自然科学基金项目(40705031); 国家重点基础研究发展计划(973计划)项目(2007CB411505); 国家公益性行业专项(GYHY200806005)资助 |
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| 摘 要： | 利用RegCM3模式,通过计算青藏高原不同积雪、冻土年的气候状况,分析了高原地区不同积雪状况下土壤冻结差异对中国夏季降水的影响及其机理.结果表明:RegCM3模式能够较好的模拟不同积雪状态下高原土壤冻结差异对中国夏季降水的影响.多雪年当高原土壤冻结较厚时,在长江流域和西北地区中部降水偏多,东北地区、华北地区、华南地区、...
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| 关 键 词： | 高原 积雪 冻土 夏季降水 |
Impact of Snow Cover and Frozen Soil in the Tibetan Plateau on Summer Precipitation in China |
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| GAO Rong,ZHONG Hai-ling,DONG Wen-jie,WEI Zhi-gang.Impact of Snow Cover and Frozen Soil in the Tibetan Plateau on Summer Precipitation in China[J].Journal of Glaciology and Geocryology,2011,33(2):254-260. |
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| Authors: | GAO Rong ZHONG Hai-ling DONG Wen-jie WEI Zhi-gang |
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| Institution: | GAO Rong1,ZHONG Hai-ling1,DONG Wen-jie2,WEI Zhi-gang3(1.Laboratory of Climate Studies,National Climate Center,China Meteorological Administration,Beijing 100081,China,2.State Key Laboratory of Earth Surface Processes and Ecology Resource,Beijing Normal University,Beijing 100875,3.Cold and Arid Regions Environmental and Engineering Research Institute,Chinese Academy of Sciences,Lanzhou Gansu 730000,China) |
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| Abstract: | In this paper,the impact and mechanism of snow cover and frozen soil in the Tibetan Plateau on the summer precipitation in China was simulated by using the RegCM3 model.It is revealed that the RegCM3 model can well simulate the impact of frozen depth of soil under different snow cover in the Tibetan Plateau on the summer precipitation in China.Different allocation of melting snow cover and thawing frozen soil in the Tibetan Plateau will result in difference in soil humidity,and then in the processes of phas... |
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| Keywords: | Tibetan Plateau snow cover frozen soil summer precipitation |
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