| 青海高原器测时期降水、气温的突变分析 |
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| 引用本文： | 杨昭明. 青海高原器测时期降水、气温的突变分析[J]. 成都信息工程学院学报, 1998, 0(2) |
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| 作者姓名： | 杨昭明 |
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| 作者单位： | 青海省气候资料中心 |
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| 摘 要： | 对遍及青海高原３８个气象台站器测时期降水和气温分别进行聚类分析，得出３种不同变化类型的降水区域和３种气温区域，然后用ＭＫ突变分析方法和最优二级分割方法对各区域降水和气温气候序列进行均值和方差突变检测得出：青海高原大部分地区在６０年代末出现了降水突变现象，８０年代中后期普遍产生气温突变。
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| 关 键 词： | 青海高原，降水，气温，突变，分析 |
THE CATASTROPHE ANALYSIS OF PRECIPITATION AND AIR TEMPERATURE OVER QINGHAI PLATEAU |
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| Yag Zhaoming. THE CATASTROPHE ANALYSIS OF PRECIPITATION AND AIR TEMPERATURE OVER QINGHAI PLATEAU[J]. Journal of Chengdu University of Information Technology, 1998, 0(2) |
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| Authors: | Yag Zhaoming |
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| Affiliation: | Climatic Data Center of Qinghai Province |
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| Abstract: | The precipitation and air temperature of the observation period of the 38 meteorological sites over Qinghai plateau are studied by the cluster analysis method.The three different types of the precipitation and air temperature variation areas are obtained.And the meanvalue and variance of the precipitation and air temperature of the different area are checked by using the M K catastrophe analysis method and the best two cascade classification method.The results show that the phenomena of the precipitation catastrophe appeared in the end of 1960s and the air temperature catastrophe occurred in the mid 1980s on the most area of Qinghai platcau. |
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| Keywords: | Qinghai Plateau Precipitation Air temperature Catastrophe analysis |
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