摘要
1研究区概况北京市位于华北北部,是我国的政治、文化中心和重要的经济中心。西部、北部和东北部为山地区,占全市总面积的62%。东南部为平原区,面积占全市的38%。属于典型的温带大陆性季风气候区,地带性植被为温带落叶阔叶林。流经北京市的河流共有100多条,均属于海河水系。
Green space is a sort of land use types with certain ecological service functions.Taking TM/ETM+ images and MODIS-NDVI images in 1992,1999 and 2005 as the basic data,the quantitative changes and quality changes of green space in Beijing in recent years were studied by interpretation and classification.The relationship between green space and urban construction was studied.Through the field investigation and data analysis,the driving forces of green space changes were studied and corresponding suggestions were put forward.
基金
北京市自然科学基金资助项目(8062018)~~
