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《Geographical Research》 2012-01
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Assessment on spatial differences of human settlement environment in communities based on DPSIRM model:The case study of Dalian

YANG Jun1,2,LI Xue-ming1,2,LI Yong-hua1,2,SUN Cai-zhi1,WANG Fang-xiong1(1.Liaoning Key Laboratory of Physical Geography and Geomatics,Dalian 116029, Liaoning,China;2.Human Settlement Environmental Research Center,Liaoning Normal University,850 Huanghe Road,Dalian 116029,Liaoning,China)  
The urban human settlement environment system is a fragile unstable ecosystem.Compared with the natural one,the urban human settlement environment system has many unique characteristics,such as a high consumption of energy and material,serious environmental pollution and a low reserve of natural resources.It is the preferred strategy for many countries,especially for the developing countries,to give energetic support to improve the level of urbanization,while there are still some other things making people anxious,such as the potential eco-environmental problems caused by rapid urbanization.The rapid urbanization process has resulted in urban human settlement environment even worsening.The spatial differences in urban human settlement environment security are getting increasingly conspicuous.This paper analyzes the pros and cons of some causal chain structure models,such as PSR,DSR and DPSIR,and builds a new urban human settlement environment security assessment model—DPSIRM(Driving force-Pressure-State-Impact-Response-Management) model,a causal network model combined with GIS spatial analysis method,which reflects the health state of the urban human settlement environment system in Dalian City.We can draw following conclusions.The network model is proposed by way of studying the characteristics of chain models in the past,in terms of the complexity of urban human settlement environment system.A assessment indicators system of the "Driving force-Pressure-State-Impact-Response-Management" model was built,which presents that human beings play an essential role in urban human settlement environment security.DPSIRM model reveals the intrinsic relations among all indicators and intrinsic relations between the problem of urban human settlement environment security and the indicators.A fuzzy Analytic Hierarchy Process(AHP) is applied to indicate weights by a comprehensive and comparative method for results.It is shown that the state of ecological health and spatial differences of urban human settlement environment security with GIS spatial analysis method,as well as the urban management play the essential role in the urban human settlement environment security.
【Fund】: 教育部人文社科项目(09YJC790135);; 国家自然科学基金(40871078)
【CateGory Index】: P208;TU984.12
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