| 长江三角洲地区区域气候模式的发展和检验 |
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| 引用本文： | 刘洪利,李维亮,周秀骥,秦瑜.长江三角洲地区区域气候模式的发展和检验[J].应用气象学报,2005,16(1):24-34. |
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| 作者姓名： | 刘洪利 李维亮 周秀骥 秦瑜 |
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| 作者单位： | 1.北京大学物理学院大气科学系, 北京 100871 |
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| 基金项目： | 国家自然科学基金重大项目 ( 498992 70 )资助 |
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| 摘 要： | 利用区域气候模式对大尺度天气过程进行模拟, 分析了模式对多种降水过程模拟能力的差别, 对模式中的物理过程、积分步长对模拟结果的影响进行了简单的分析; 并利用模式模拟了长江三角洲地区地面特征改变对气候的影响。模拟结果显示, 长江三角洲地区植被退化、城市化面积扩大等因素会引起比较显著的局地气候变化。
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| 关 键 词： | 长江三角洲 区域气候模式 土地利用 |
| 收稿时间： | 2003-01-28 |
| 修稿时间： | 2003年1月28日 |
A Regional Scale Climatic Model over the Changjiang Delta: Development, Evaluation and Analysis |
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| Liu Hongli,Li Weiliang,Zhou Xiuji,Qin Yu.A Regional Scale Climatic Model over the Changjiang Delta: Development, Evaluation and Analysis[J].Quarterly Journal of Applied Meteorology,2005,16(1):24-34. |
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| Authors: | Liu Hongli Li Weiliang Zhou Xiuji Qin Yu |
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| Institution: | 1.Department of Atmospheric Sciences, School of physics, Peking University, Beijing 1008712.Chinese Academy of Meteorological Sciences, Beijing 100081 |
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| Abstract: | A new regional climatic model was developed and proof-tested by simulating the frontal rainfall,cyclonic rain and shower.The effect of different physical processes and different time step in the model was analyzed in order to choosing the approopriate experimental project.Using this model simulated the climatic effect of the change of land-use in Changjiang Delta area.Results show that vegetation reducing and urban extending are main causes of the regional climate change.The range of seasonal temperature would increase and the humidity would decrease if the vegetation reduced.With the urban area extending the urban heat island effect would be intense also. |
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| Keywords: | Changjiang Delta Numerical model Land-use |
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