Comprehensive Evaluation Of Urban Green Space System On QuickBird

Urban space has the important influence on the human life,as the moste direct ecosystem.The researchs on the urban space are significant.From the macroscopic way,how do the urban space system develop its ecosystem function and social function well?The mothds of comprehensive evaluating urban green space system are imperative under the situation .With the help of the key laboratory of environmental information system,and the support of the project of the"The Survey and Test of Liupanshui on RS",the paper chose Liupanshui city as a case,and started in to survey the urban green space information on RS.On the base of these,the paper gave the comprehensive evaluation of Liupanshui urban green space system.In order to survey the urban green space,the paper optimized the satellite image firstly.Secondly,the paper improved the mothd of extracting the urban green space information.With the help of all kinds of data,Liupanshui urban green space information database was built.In order to evaluate the Liupanshui urban green space system,the paper collected and picked up many important indicators and brought forward the indicator set.Most of important,the paper firstly used the style city and divided Liupanshui into the main area and service area to evaluate.The content included the ecosystem,Landscape pattern,planning and societal function.The method enrichs the comprehensive evaluation and helps the planning and built of the urban green space system.