[1]李锦荣,高君亮,郭建英,等.半干旱草原区沙尘暴灾害承灾体脆弱性动态变化分析[J].水土保持研究,2013,20(05):113-118.
　LI Jin-rong,GAO Jun-liang,GUO Jian-ying,et al.Analysis on Dynamics of Vulnerability of Hazard-bearing Bodies of the Sandstorm Disaster in the Semi-arid Grassland Areas[J].Research of Soil and Water Conservation,2013,20(05):113-118.
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半干旱草原区沙尘暴灾害承灾体脆弱性动态变化分析

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 20 期数: 2013年05期 页码: 113-118 栏目: 出版日期: 2013-10-28
Title:
Analysis on Dynamics of Vulnerability of Hazard-bearing Bodies of the Sandstorm Disaster in the Semi-arid Grassland Areas
作者:
李锦荣1, 高君亮2, 郭建英1, 赵海燕3
1. 水利部牧区水利科学研究所, 呼和浩特 010020;
2. 中国林业科学研究院 沙漠林业实验中心, 内蒙古 磴口 015200;
3. 陕西师范大学, 西安 710062
Author(s):
LI Jin-rong1, GAO Jun-liang2, GUO Jian-ying1, ZHAO Hai-yan3
1. Institutes of Water Resources for Pastoral Area, Hohhot 010020, China;
2. Experimental Center of Desert Forestry, CAF, Dengkou, Inner Mongolia 015200, China;
3. Shaanxi Normal University, Xi’an 710062, China
关键词:
沙尘暴; 承灾体; 脆弱性; 模糊数学; 半干旱草原区
Keywords:
sand storm; hazard-bearing body; vulnerability; fuzzy mathematics; semi-arid grassland areas
分类号:
P425.5+5
摘要:
以模糊数学为理论基础，通过构建沙尘暴灾害承灾体脆弱性评价模型，研究了半干旱草原区——锡林郭勒盟沙尘暴灾害承灾体的脆弱性。结果表明：三个时期（1981—1990年、1991—2000年、2001—2010年）锡林郭勒盟地区沙尘暴灾害承灾体的脆弱性表现出逐渐降低的趋势。大风日数减少、植被盖度增加，人口增长速度减缓、牲畜存栏头数和超载率得到一定控制，减轻了承灾体对环境的压力；牧民纯收入的增加、医疗卫生条件的改善、交通设施的增加，增强了承灾体抵御灾害的能力以及灾后恢复力；产业结构逐渐合理化、多元化，有利于经济稳定，对沙尘暴承灾体的脆弱性降低起到积极作用。评价结果表明，模糊数学方法对草原区沙尘暴承灾体脆弱性评价的可行性，评价结果可以为后续的防灾减灾工作提供依据。
Abstract:
Based on the theory of fuzzy mathematics, this article did a research on the vulnerability of hazard-affected bodies of sandstorm disaster in semi-arid grassland area (Xilin Gol League), by means of constructing the evaluation model of vulnerability of sandstorm disaster, and classing the evaluation results. The results showed that the vulnerability of hazard-affected bodies showed gradually reduced tendency during three periods (1981—1990, 1991—2000, 2001—2010) in Xilin Gol League area region. Strong wind days reduce and vegetation coverage increases, the rate of population increase slowed down, and the total number of livestock and overloading rate obtained a certain control, which reduced the bearing pressure disaster to the environment, and enhanced the ability of people and livestock to resist the disaster at the same time. The ability of resisting the disaster and recovery of hazard-affected body were enhanced by the increase of net income of herdsmen, the improvement of medical and health conditions and the increase of traffic facilities. Industrial structure dominated by husbandry has transformed into rational and multivariant one, which is beneficial to economic stability, and enhances the ability of resisting the disaster, and plays a positive role in reducing the vulnerability of hazard-affected bodies. Evaluation results show that the fuzzy mathematics method on steppe sandstorm vulnerability assessment is feasible, but, as a follow-up evaluation results can provide the basis for disaster prevention and mitigation.

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备注/Memo

收稿日期:2013-05-16;改回日期:2013-06-16。
基金项目:国家自然基金（41301303，41301302）；中国水科院科研专项项目（MK2013J08）
作者简介:李锦荣(1980-),男,内蒙古呼和浩特人,博士,研究方向:荒漠化防治。E-mail:lijinrong918@126.com
通讯作者:郭建英(1979-),男,博士,主要从事半干旱地区水土流失与植物生态方面的研究。E-mail:guojianying1980@163.com

更新日期/Last Update: 1900-01-01