| 华北异常干旱气候事件及其对农业影响评估模式的研究 |
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| 引用本文： | 李翠金.华北异常干旱气候事件及其对农业影响评估模式的研究[J].灾害学,1999,14(1):65-69. |
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| 作者姓名： | 李翠金 |
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| 作者单位： | 国家气候中心!北京１０００８１ |
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| 基金项目： | 国家“九五”重中之重项目 |
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| 摘 要： | 分析了华北地区旱灾的特点；采用降水量距平百分率和干旱指数分别确定了单站及区域于旱等级标准，并对近３７ａ这一地区各年主要干旱事件强度（等级）进行了评定，最后建立了干旱受灾面积和成灾面积评估模式。
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| 关 键 词： | 异常干旱 干旱指数 评估模式 华北地区 |
RESEARCH ON ABNORMAL DROUGHT CLIMATE EVENTSIN NORTH CHINA AND ASSESSMENT MODELOF THEIR IMPACTS ON AGRICULTURE |
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| Li Cuijin.RESEARCH ON ABNORMAL DROUGHT CLIMATE EVENTSIN NORTH CHINA AND ASSESSMENT MODELOF THEIR IMPACTS ON AGRICULTURE[J].Journal of Catastrophology,1999,14(1):65-69. |
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| Authors: | Li Cuijin |
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| Abstract: | in this paper, the characteristic of drought disaster is analyzed in NorthChina. By using the percentage of precipitation anomalies and drought index, the standard of drought grade for one station and area are respectively defined, and the maindrought events and their intensity (grade) are assessed in this area for recent 37 years.Finally, the model for assessment of drought-stricken area and area in drought stage isestablished. |
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| Keywords: | Abnormal drought Drought grade Assessment model North China |
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