| 2009年秋至2010年春我国西南地区干旱及与历史场次干旱对比分析 |
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| 引用本文： | 刘建刚,万金红,谭徐明,马建明,张念强.2009年秋至2010年春我国西南地区干旱及与历史场次干旱对比分析[J].防灾减灾工程学报,2011,31(2):196-200. |
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| 作者姓名： | 刘建刚 万金红 谭徐明 马建明 张念强 |
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| 作者单位： | 中国水利水电科学研究院水利史研究所; |
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| 基金项目： | 国家973计划项目(2010CB951102); 科技部2009年科技基础性工作(2009FY220200); 中国水利水电科学研究院科研专项(史集1032)资助 |
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| 摘 要： | 2009年10月至2010年4月,我国西南地区由于受厄尔尼诺影响,气温偏高、降雨偏少,发生了秋冬春三季连旱,耕地受旱面积占全国同期耕地受旱面积的78%,受灾人口和大牲畜饮水困难头数都达到了近十年来该地区的最高水平.通过对比本次和历史场次干旱发现,西南干旱并非稀遇现象,195l～1990年的40年间该地区曾发生干旱12次...
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| 关 键 词： | 西南地区 历史场次干旱 受灾率 成灾率 对比分析 |
Drought in Southwest China from Autumn 2009 to Spring 2010 and Its Comparative Analysis with Historical Drought Events |
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| LIU Jian-gang,WAN Jin-hong,TAN Xu-ming,MA Jian-ming,ZHANG Nian-qiang.Drought in Southwest China from Autumn 2009 to Spring 2010 and Its Comparative Analysis with Historical Drought Events[J].Journal of Disaster Prevent and Mitigation Eng,2011,31(2):196-200. |
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| Authors: | LIU Jian-gang WAN Jin-hong TAN Xu-ming MA Jian-ming ZHANG Nian-qiang |
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| Institution: | LIU Jian-gang,WAN Jin-hong,TAN Xu-ming,MA Jian-ming,ZHANG Nian-qiang(Water History Department,China Institute of Water Resources and Hydropower Research,Beijing 100048,China) |
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| Abstract: | A heavy drought caused by El Nio occurred in southwest China with higher temperature and less rainfall from October 2009 to April 2010.Statistics show that the affected area of farmland approaches 78% of that in-all China in corresponding period,and the number of affected population and livestock is up to the peak value in the last decade.This paper indicates that drought occurring in southwest China is not accidental,five provinces in southwest China had suffered dozen drought events simultaneously from 19... |
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| Keywords: | southwest China historical drought events disaster-affected ratio disaster-formative ratio comparative analysis |
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