基于熵权物元可拓模型的黑河中游生态环境脆弱性评价

doi:CNKI:SUN:NCST.0.2008-01-000

生态与农村环境学报 ›› 2008, Vol. 24 ›› Issue (1): 1-4.doi: CNKI:SUN:NCST.0.2008-01-000

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基于熵权物元可拓模型的黑河中游生态环境脆弱性评价

潘竟虎, 冯兆东

西北师范大学地理与环境科学学院

收稿日期:2007-10-12 出版日期:2008-01-25 发布日期:2011-04-11
作者简介:潘竟虎(1974－)，男，甘肃嘉峪关人，讲师，博士生，从事GIS与空间经济分析研究。
基金资助:
国家自然科学基金(40671061);世行黄土高原水保新技术推广项目(050321);甘肃省自然科学基金(2007GS03673)

Evaluation of Eco-Environmental Fragility in Middle Reaches of Heihe River Using Information Entropy and Matter-Element Model

PAN Jing-Hu, FENG Zhao-Dong

College of Geographic and Environmental Science,Northwest Normal University

Received:2007-10-12 Online:2008-01-25 Published:2011-04-11

摘要/Abstract

摘要： 针对黑河中游生态环境特点,基于PSR模型,选取9项能反映其生态环境脆弱性而彼此之间相互独立的评价指标体系,采用物元可拓理论和熵权法构建生态环境脆弱性的综合评判模型,对黑河中游各地区生态环境脆弱性进行了评价。结果表明:民乐县和甘州区整体生态环境脆弱性相对较轻,嘉峪关市中等,肃州区、高台县和临泽县较重,山丹县最严重;各地区对不同评价指标的敏感程度也各不相同。评价结果符合当地实际情况。

关键词: 生态环境脆弱性, 物元模型, 可拓工程, 信息熵, 黑河中游

Abstract: Based on characteristics of the eco-environment in the middle reaches of the Heihe River and PSP model,9 evaluation index systems that reflect eco-environmental frangibility while being isolated from each other were selected to form a model for integrated evaluation of eco-environment fragility of the studied area using the matter-elements theory and information entropy.Results indicate that Minle and Ganzhou Counties were the least,Jiayuguan city was medium,Suzhou,Gaotai and Lingze Counties were slightly high,and Shandan County was the highest in eco-environmental fragility.Sensibility of evaluation factors varied from factor to factor and from county to county.The evaluation results obtained using such a model are basically consistent with the local conditions.

Key words: eco-environmental fragility, matter-element model, extension engineering, information entropy, middle reaches of the Heihe River

中图分类号:

X826

潘竟虎, 冯兆东. 基于熵权物元可拓模型的黑河中游生态环境脆弱性评价[J]. 生态与农村环境学报, 2008, 24(1): 1-4.

PAN Jing-Hu, FENG Zhao-Dong. Evaluation of Eco-Environmental Fragility in Middle Reaches of Heihe River Using Information Entropy and Matter-Element Model[J]. Journal of Ecology and Rural Environment, 2008, 24(1): 1-4.

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基于熵权物元可拓模型的黑河中游生态环境脆弱性评价

Evaluation of Eco-Environmental Fragility in Middle Reaches of Heihe River Using Information Entropy and Matter-Element Model

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