Spatial Evaluation of Urban Growth in Zhengzhou based on Ecological Sensitivity Analysis
Eco-environmental sensitivity analysis is an indispensable basis for current research on natural ecological environment protection and urban growth space planning.In this paper,GIS spatial analysis technology is used to analyze the ecological sensitivity of Zhengzhou administrative area.Based on the results of single factor ecological environment sensitivity analysis,multi-factor ecological environment sensitivity analysis and single factor ecological environment sensitivity analysis in different time periods,the spatial data of urban growth in Zhengzhou are studied.From the perspective of urban growth space area and vegetation coverage degradation degree,the urban built-up area of Zhengzhou city increased by about 0.59 times from 2016 to 2019,while the highly sensitive areas of relevant vegetation coverage decreased rapidly and the moderately sensitive areas increased significantly during the same period,indicating that the rapid growth of urban space posed a great challenge to the natural ecological environment protection of Zhengzhou city.By coupling ecological sensitivity analysis and urban growth space,this paper deeply analyzes the natural ecological environment problems caused by urban expansion in Zhengzhou,and puts forward a mathematical analysis model that can predict the structural change of vegetation coverage caused by the change of urban built-up area in Zhengzhou.The research results can provide reference for related research and practice in Zhengzhou.
万方数据
维普
