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安阳市现状水资源承载力研究 被引量:5
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作者 焦士兴 《水资源保护》 CAS 北大核心 2007年第2期47-50,69,共5页
在阐述水资源承载力概念和模型研究的基础上,探讨了现状水资源承载力的概念,明确提出了水资源承载力的“协调发展”模型,估算并评价了安阳市现状水资源承载力。研究认为,目前的供水量在平水年只能满足安阳市现阶段(2002年)人口的温饱型... 在阐述水资源承载力概念和模型研究的基础上,探讨了现状水资源承载力的概念,明确提出了水资源承载力的“协调发展”模型,估算并评价了安阳市现状水资源承载力。研究认为,目前的供水量在平水年只能满足安阳市现阶段(2002年)人口的温饱型生活需要,不能满足现阶段人口在总体小康型、全面小康型和初步富裕型阶段的需要,且各阶段超载人口逐渐增多;在枯水年,现状水资源承载力的数量、类型和平水年相比必然有趋于一致或加剧趋势。 展开更多
关键词 水资源承栽力 “协调发展”模型 安阳市
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Evaluation of Land-Use Efficiency Based on Regional Scale——A Case Study in Zhanjiang,Guangdong Province 被引量:8
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作者 CHEN Shi-yin LIU Yao-lin CHEN Cui-fang 《Journal of China University of Mining and Technology》 EI 2007年第2期215-219,共5页
Evaluating land use efficiency is critical to the revision of general land use planning. An assessment indicator system for regional land use efficiency was established in this paper from the aspects of society,econom... Evaluating land use efficiency is critical to the revision of general land use planning. An assessment indicator system for regional land use efficiency was established in this paper from the aspects of society,economy,ecology and environment. The weight of each indicator was defined by an analytical hierarchy process (AHP) and the entropy method (EM). Then,a case study in Zhanjiang was carried out to analyze the regional land use efficiency from 1996 to 2004 and its development by using the method of multifactor composite evaluation and an analytical model of the de-gree of coordination. The results indicate that land use efficiency with respect to society and the economy improved,whereas the ecological and environmental efficiencies were found to decrease. The degree of coordination in Zhanjiang is still at the status of basic coordination. Finally,measures for enhancing the ecological and environmental establish-ment are suggested in order to improve the regulations of land use structure and patterns,establish ecological forests for the public good and green corridors and prevent the soil erosion. 展开更多
关键词 regional scale land-use efficiency degree of coordination EVALUATION
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