作　　者： ; ;

机构地区： 华南师范大学地理科学学院

出　　处： 《广东农业科学》 2012年第6期1-3,7,F0002,共5页

摘　　要： 以广州市1990和2010年的TM图像为主要数据,在结合数据图像前期处理的基础上运用归一化植被指数(NDVI)从整体变化、动态变化、等级变化等方面对广州市的植被信息进行了提取和分析,同时结合广州市社会经济数据对广州植被覆盖变化的驱动因子进行了探讨。研究表明:1990年广州市区的平均NDVI值为0.29;2010年广州市区的平均NDVI值为-0.03;植物覆盖率由1990年的87.08%下降到2010年的45.73%。 According to the remote sensing images of the year 1990 and 2010,the NDVI index was used in this paper in order to extract vegetable information of the city of Guangzhou.At the same time,the vegetable cover changing condition of Guangzhou city was analyzed according to the development of the city and some related material and data.Based on these detail detection information of NDVI and vegetable of Guangzhou,the results was shown as followed： the average NDVI of Guangzhou in 1990 was 0.29,while in 2010 it fell to-0.03.The percentage of vegetation coverage in the year 1990 was 87.08% while it fell to 45.73% in 2010.The main reasons were the development of the real estate business,the expanding of the industry and the construction project.

关 键 词： 遥感 归一化植被指数 空间变化 广州市

领　　域： [农业科学] [天文地球] [天文地球]