ASSESSMENT OF ENVIRONMENTAL CAPACITY BASED ON ARCGIS IN CORE AREA OF CHANGSHA-ZHUZHOU-XIANGTAN URBAN GROUP
Regional environmental capacity assessment and analysis is an important basis for rational planning of regional development and layout.Firstly,in support of ARCGIS technology,this paper analyzed the atmospheric environmental capacity,water environmental capacity,soil environmental capacity of the core area of the urban agglomeration,then formed the level figure.Secondly,on the base of spatial overlay of each factor and a comprehensive analysis,the core area was divided into five regions:good area,a reasonable area,the saturation region,super-saturated zone,over-saturation region,and some suggestions and measures were also put forward.Its purpose is to promote the rational development,science layout of the region of space and ecological environment protection.It is very important for the specification CZT city cluster two-oriented society and the construction of the rational development.