| 1950—2009年河南省干旱灾害特征及成因分析 |
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| 引用本文： | 李治国,朱玲玲,程昆,芦杰.1950—2009年河南省干旱灾害特征及成因分析[J].湖北农业科学,2012,51(6):1107-1111. |
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| 作者姓名： | 李治国 朱玲玲 程昆 芦杰 |
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| 作者单位： | 1. 商丘师范学院环境与规划学院,河南商丘,476000
2. 商丘师范学院建筑与土木工程学院,河南商丘,476000 |
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| 基金项目： | 商丘师范学院青年科研基金，河南省2011年软科学计划项目，国家自然科学基金 |
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| 摘 要： | 利用河南省1950-2009年的干旱灾情资料,分析了干旱灾害的变化特征及成因.结果表明,河南省农业干旱灾害呈现明显的周期性波动,干旱灾情轻重交替出现,受灾面积的波动周期为4～14年,成灾面积的波动周期为4～17年:干旱受灾面积呈减小趋势但成灾面积呈增大趋势；河南省的资源环境、气候变化和社会经济条件均对干旱灾害的形成有一定的影响.
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| 关 键 词： | 干旱灾害 特征 成因 河南省 |
Characteristics and Causes of Drought in Henan Province during 1950 - 2009 |
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| LI Zhi-guo
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ZHU Ling-ling
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CHENG Kun
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LU Jie.Characteristics and Causes of Drought in Henan Province during 1950 - 2009[J].Hubei Agricultural Sciences,2012,51(6):1107-1111. |
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| Authors: | LI Zhi-guo ZHU Ling-ling CHENG Kun LU Jie |
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| Institution: | a(a.Department of Environment and Planning;b.Department of Architectural and Civil Engineering,Shangqiu Normal University, Shangqiu 476000,Henan,China) |
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| Abstract: | Based on drought statistical data during 1950-2009 in Henan province,the change characteristics and its cause of drought were analyzed.The results showed that the disaster taked place almost every year and light and heavy agricultural droughts appeared alternatively in a cycle,the cycle period of affected areas was approximately 4～l4 years,the cycle period of suffering areas was roughly 4～17 years;The drought affected areas exhibited a decreasing trend while the suffering areas exhibited an increasing trend;The resources and environment,climate change and socioeconomic conditions of Henan province had some impact on the formation of drought. |
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| Keywords: | drought characteristics causes Henan province |
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