| 中国西北干旱区年降雨量的时空变化 |
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| 引用本文： | 田荣湘,高玲,高由禧.中国西北干旱区年降雨量的时空变化[J].高原气象,1995(1). |
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| 作者姓名： | 田荣湘 高玲 高由禧 |
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| 作者单位： | 中国科学院兰州高原大气物理研究所 |
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| 摘 要： | 通过对中国西部地区６８个站３０年年降雨量的分析，把中国西部划分为６个降雨量性质不相关的区。通过对西北３个区的分析，把年降雨量划分为８种不同的空间分布类型。分析表明，控制中国西北干旱区的天气系统主要为西风系统。在过去的３０年间，西北干旱区的气候并非都是变得越来越干，不同的地区变化情况不同。
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| 关 键 词： | 中国西北干旱区 年降雨量。 |
SPATIAL AND TEMPORAL VARIATION OF ANNUAL RAINFALL IN THE NORTHWEST ARID AREAS OF CHINA |
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| Tian Rongxiang, Gao Lin ,Gao Youxi.SPATIAL AND TEMPORAL VARIATION OF ANNUAL RAINFALL IN THE NORTHWEST ARID AREAS OF CHINA[J].Plateau Meteorology,1995(1). |
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| Authors: | Tian Rongxiang Gao Lin Gao Youxi |
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| Abstract: | In this paper, six independent rainfall regions are divided in West China through analysis of annual rainfall during 1958- 1987 for 68 stations. Eight types of dif- ferent spatial distribution of rainfall are divided by analysis for 3 areas in NW China. The results show that the control weather system in arid area of NW China is mainly westerly system. In 1958-1987, climate change was different in different areas. |
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| Keywords: | The northwest arid areas of China Annual rainfall |
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