| 本世纪中国西北地区的干旱变化 |
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| 引用本文： | 郭其蕴,沙万英.本世纪中国西北地区的干旱变化[J].水科学进展,1992,3(1):65-70. |
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| 作者姓名： | 郭其蕴 沙万英 |
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| 作者单位： | 中国科学院地理研究所 北京 100101 |
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| 摘 要： | 本文分析了陕西、甘肃、宁夏、青海和新疆五省区有气象观测资料以来的干旱变化,并与历史时期的变化做了比较。同时还对该地区干旱变化与气温的关系作了分析。
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| 关 键 词： | 干旱 降水量 干旱频率 气温变化 |
| 收稿时间： | 1990-06-19 |
Variations of Drought During the 20th Century in Northwest China |
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| Guo Qiyun,Sha Wanying.Variations of Drought During the 20th Century in Northwest China[J].Advances in Water Science,1992,3(1):65-70. |
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| Authors: | Guo Qiyun Sha Wanying |
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| Institution: | Institute of Geography, Chinese Academy of Sciences |
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| Abstract: | Based on the observed data of precipitation in the 20th century, the variations of drought in Northwest. China (including Shanxi, Gansu, Ningxia, Qinghai and Xinjiang Provinces) are analyzed and compared with that occurred in the 18th and 19th centuries. The relationship between the variations of draught and air temperature in the 20th century was also studied. |
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| Keywords: | drought precipitation frequency of droughts air temperature variations |
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