甘肃天水地区45a来强降水与洪涝灾害特征分析

doi:10.7522/j.issn.1000-0240.2007.0135

冰川冻土 ›› 2007, Vol. 29 ›› Issue (5): 808-812.doi: 10.7522/j.issn.1000-0240.2007.0135

甘肃天水地区45a来强降水与洪涝灾害特征分析

郭慧^1,2, 黄涛², 邓茂芝¹, 沈永平¹, 孙兰东³, 黄进², 林纾³, 陶健红⁴, 把多辉⁵, 王小燕²

1. 中国科学院, 寒区旱区环境与工程研究所, 甘肃省干旱气候变化与减灾重点实验室, 甘肃, 兰州, 730000;
2. 中国气象局, 兰州干旱气象研究所, 甘肃省干旱气候变化与减灾重点实验室, 甘肃, 兰州, 730020;
3. 兰州区域气候中心, 甘肃, 兰州, 730020;
4. 兰州中心气象台, 甘肃, 兰州, 730020;
5. 天水市气象局, 甘肃, 天水, 741000

收稿日期:2007-03-02 修回日期:2007-05-15 出版日期:2007-10-25 发布日期:2012-04-26
基金资助:
国家自然科学基金项目(40675066);西部交通建设科技项目(2004-318-000-57)资助

Heavy Precipitation and Flood Disaster in Tianshui Prefecture of Gansu Province during the Last 45 Years

GUO Hui^1,2, HUANG Tao², DENG Mao-zhi¹, SHEN Yong-ping¹, SUN Lan-dong³, HUNAG Jin², LIN Su³, TAO Jian-hong⁴, BA Duo-hui⁵, WANG Xiao-yan²

1. Cold and Arid Regions Environmental and Engineering Research Institute, Key Laboratory of Arid Cliamte Change and Reducing Disaster of Gansu Province, Chinese Academy of Sciences, Lanzhou Gansu 730000, China, 2.Arid Meteorological Research Institute of CMA, Key Laboratory of Arid Climate Change and Reducing Disaster of Gansu Province, Lanzhou Gansu730020, China;
3. Lanzhou Region Climate Centre, Lanzhou Gansu730020, China;
4. Lanzhou Central Meteorological Observatory, Lanzhou Gansu 730020, China;
4. Tianshui Meteorological Bureau, Tianshui Gansu741000, China

Received:2007-03-02 Revised:2007-05-15 Online:2007-10-25 Published:2012-04-26

摘要/Abstract

摘要： 洪涝灾害是一种常见的自然灾害,对农业生产和人民生活有极大的影响.通过对甘肃天水地区强降水和洪涝灾害事件资料的整理,对其强降水事件、洪涝灾害变化特征以及二者间地联系进行了分析研究.现有资料统计显示,天水地区没出现过整个区域性洪涝灾害,以局地洪涝灾害为主,强降水事件和洪涝灾害具有显著的年代际和季节性变化特征.由于当地的土地蓄水性能很差,一般性的强降水就可能会产生洪涝灾害.随着气候变暖,这一地区的强降水事件和洪涝灾害呈增加趋势,建议当前应加强对局地强降水事件的防范工作.

关键词: 强降水, 洪涝灾害, 气候变化, 天水, 强降水, 洪涝灾害, 气候变化, 天水

Abstract: Based on the data of heavy precipitation and flood disaster in Tianshui Prefecture of Gansu Province,the interdecadal variations of heavy precipitation and flood disaster and their relationship are analyzed.The analyses show that there are prominent seasonal and interdecadal variations.There is no heavy precipitation or the flood disaster event over the whole prefecture.However,local flood disaster often takes place owing to the poor in soil store water.The flood disaster could be caused by a common heavy precipitation.Especially,along with the climate warming,the events of heavy precipitation and flood disaster become more and more.More attention should be given to the key task of reducing flood disaster brought by heavy precipitation.

Key words: heavy precipitation, flood disaster, climate change, Tianshui Prefecture, heavy precipitation, flood disaster, climate change, Tianshui Prefecture

中图分类号:

P426.616

郭慧, 黄涛, 邓茂芝, 沈永平, 孙兰东, 黄进, 林纾, 陶健红, 把多辉, 王小燕. 甘肃天水地区45a来强降水与洪涝灾害特征分析[J]. 冰川冻土, 2007, 29(5): 808-812.

GUO Hui, HUANG Tao, DENG Mao-zhi, SHEN Yong-ping, SUN Lan-dong, HUNAG Jin, LIN Su, TAO Jian-hong, BA Duo-hui, WANG Xiao-yan. Heavy Precipitation and Flood Disaster in Tianshui Prefecture of Gansu Province during the Last 45 Years[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2007, 29(5): 808-812.

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甘肃天水地区45a来强降水与洪涝灾害特征分析

Heavy Precipitation and Flood Disaster in Tianshui Prefecture of Gansu Province during the Last 45 Years

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