| 我国干旱半干旱区降水的特征分析 |
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| 引用本文： | 任福民,史久恩.我国干旱半干旱区降水的特征分析[J].应用气象学报,1995,6(4):501-504. |
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| 作者姓名： | 任福民 史久恩 |
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| 作者单位： | 1.国家气候中心，北京气象学院 |
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| 摘 要： | 利用聚类分析对全国160站1951～1992年的年降水标准化资料做分析，结果可划分为两大区——干旱半干旱区和非干旱区，在此基础上进行降水区划及降水分布型研究，得出我国干旱半干旱区大致分成9个小区以及它的3种年降水分布型式。
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| 关 键 词： | 干旱半干旱区 年降水区划 年降水分布型式 |
Characteristics of Annual Rainfall in Arid and Semi-arid Region of China |
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| Ren Fumin.Characteristics of Annual Rainfall in Arid and Semi-arid Region of China[J].Quarterly Journal of Applied Meteorology,1995,6(4):501-504. |
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| Authors: | Ren Fumin |
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| Affiliation: | 1.1) (National Climate Center, Beijing 100081); 2) (Beijing Meteorological Institute, Beijing 100081) |
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| Abstract: | Through cluster analysis of the normalized annual precipitation data for the 160stations in China during the period from 1951 to 1992,it is found that there are two bigregions-the arid and semi-arid region as well as the non-arid region. On the basis of itthe annual rainfall division is made,and the annual rainfall distribution in the arid andsemi-arid region is also studied.The results show that the arid and semi-arid region canbdivided into 9 subdivisions and there are three distribution patterns for annualrainfall. |
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| Keywords: | Arid and semi-arid region Annual rainfall division Annual rainfall distribution pattern |
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