| 可变分辨率展宽网格在区域物理参数化大气模式中的应用 |
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| 引用本文： | 钱建华.可变分辨率展宽网格在区域物理参数化大气模式中的应用[J].地球科学进展,2007,22(11):1185-1190. |
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| 作者姓名： | 钱建华 |
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| 作者单位： | 哥伦比亚大学气候与社会国际研究所,美国,纽约,10964 |
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| 基金项目： | Acknowledgment The author would like to thank Sara Rauscher for processing the TRMM precipitation data, and Stephen Zebiak and Filippo Giorgi for discussion. The International Research Institute for Climate and Society （IRI） represents a cooperative agreement between US N0AA 0ffice of Global Programs and Columbia University. |
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| 摘 要： | 将有限区域展宽网格方法应用于区域物理参数化大气模式中，来检验其模拟湿物理过程的能力。展宽网格模型旨在在一个大的有限空间区域中得到我们所关注的小区域的高分辨率。运用展宽网格模型对南美地区进行模拟的结果表明：当拥有充足的物理参数集时，模型模拟效果良好；并且，如果改进计算机功率，便可得到与始终保持高分辨率模拟具有可比性的输出结果。
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| 关 键 词： | 展宽网格方法 区域大气模式 物理参数 南美地区 |
| 文章编号： | 1001-8166（2007）11-1185-06 |
| 收稿时间： | 2007-09-20 |
| 修稿时间： | 2007-09-20 |
Application of a Variable-Resolution Stretched Grid to a Regional Atmospheric Model with Physics Parameterization |
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| QIAN Jian-hua.Application of a Variable-Resolution Stretched Grid to a Regional Atmospheric Model with Physics Parameterization[J].Advance in Earth Sciences,2007,22(11):1185-1190. |
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| Authors: | QIAN Jian-hua |
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| Institution: | International Research Institute for Climate and Society, Columbia University, New York 10964,USA |
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| Abstract: | A limited-area stretched-grid method is tested in a regional atmospheric model with physics parameterization to examine its capability to simulate moist physical processes. The stretched-grid model is aimed at achieving high resolution in a small area of interest while covering a large limited-area spatial domain. The simulation of the stretched- grid model over South America shows that it works well when including a full set of physics parameterization and is able to produce comparable results to those in the uniform high- resolution simulation but with improved computational efficiency. |
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| Keywords: | Stretched-grid method Regional atmospheric model Physics parameterization South America |
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