HE Xiang.Analysis on the Vulnerability of Coupled Human-natural Systems in Karst Mountain Areas of Guizhou Province Based on the Entropy and Gray Correlation Method[J].Research of Soil and Water Conservation,2014,21(01):283-289.
基于熵权灰色关联法的贵州岩溶山区人地耦合系统脆弱性分析
- Title:
- Analysis on the Vulnerability of Coupled Human-natural Systems in Karst Mountain Areas of Guizhou Province Based on the Entropy and Gray Correlation Method
- Keywords:
- entropy and gray correlation method; karst mountain areas of Guizhou Province; coupled human-natural systems; assessment of vulnerability
- 分类号:
- X24
- 摘要:
- 为了厘清岩溶山区人地耦合系统脆弱性特征，在构建岩溶山区人地耦合系统脆弱性评价指标的基础上，运用熵权灰色关联分析法，以贵州省9个地州市为基本评价单元，对其人地耦合系统脆弱性进行定量分析与评价。结果表明：（1） 敏感性维度的指标评价等级仅有黔东南州与铜仁地区属于轻度脆弱；暴露度与适应能力维度的指标评价等级仅贵阳市是轻度脆弱，其它地区均是次强度脆弱等级。（2） 各地市人地耦合系统脆弱度综合评价结果为六盘水市、毕节地区、安顺市与黔南州属于强度脆弱级；黔东南州、黔西南州、铜仁地区与遵义市属于次强度脆弱级；贵阳市属轻度脆弱级。依据研究结果可将贵州省人地耦合系统划分为强度脆弱区、次强度脆弱区和轻度脆弱区；将各地市人地耦合系统脆弱度与其人地关系特征的对应分析结果表明，人地耦合系统脆弱度的定量分级分析与定性分析具有较好的一致性。
- Abstract:
- In order to clarify the vulnerability characteristics of the coupled human-environment system of karst mountainous, the entropy and grey correlation analysis methods was used to study the 9 prefectures in Guizhou province based on the establishment of vulnerability assessment index of coupled human-environment system in karst mountain areas. And the fragility of the coupled human-natural system was quantitatively analyzed and evaluated. The results show that: (1) only the southeast states of Guizhou province and the Tongren area belong to the slight fragile of sensitivity dimensions evaluation index grade, only Guiyang city is mild vulnerability grade of the evaluation index of the exposure dimension and the adaptation capability dimension, and the others are strength of the vulnerability grade; (2) the vulnerability comprehensive evaluation results of the coupled human-environment system are extreme fragile level of Liupanshui City, Bijie district, Anshun City and the south states of Guizhou province, the southeast states of Guizhou province, the southwest states of Guizhou Province, Tongren district and Zunyi City belong to the secondary extreme fragile level, and Guiyang City is the slightest fragile level. The conclusions are that the coupled human-environment system of Guizhou province can be classified as the extreme fragile area, the secondary extreme fragile area and the mild fragile area based on the results. At last the coupling system vulnerability with the human-environment relationship characteristics of every district of Guizhou Province was analyzed. The results show that the results of qualitative analysis and the quantitative coupled human-environment system of vulnerability classification have the good correspondence.
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备注/Memo
收稿日期:2013-06-19;改回日期:2013-07-07。
基金项目:国家十二五科技支撑计划重大课题“喀斯特高原峡谷石漠化综合治理技术与示范”（2011BAC09B01）；贵州省教育厅自然科学基金青年项目（黔教科20090083）；凯里学院规划项目（S1116）
作者简介:贺祥(1978-),男,贵州水城人,副教授,硕士,主要从事岩溶生态环境方面的研究。E-mail:hexiang1997403@163.com