21世纪以来昆明呈贡区土地利用变化及驱动因素分析

Since the 21st Century Kunming Chenggong District Land-Use Change and Driving Factors Analysis

摘要: 土地利用变化是研究城市化发展的重要基础。文章采用了Landsat7 OLI、Landsat8 OLI遥感影像和昆明统计年鉴、统计公报数据，采用了土地利用变化率、土地利用转移矩阵、土地利用驱动力因素分析等方法，研究了呈贡区的土地利用变化。结果表明：16年来呈贡区城市化发展迅速，建筑、水体和绿化地都有明显的增加，耕地和裸地呈下降趋势；而驱动因素主要是人为因素，人口增加、经济发展和政府政策是影响该区域土地利用变化的主要驱动因子。

Abstract: Land use change is the important foundation of urbanization. Article adopted Landsat 7 OLI, Landsat 8 OLI remote sensing image and statistical yearbook and statistical bulletin data, using the land use change rate, the transfer matrix of land use and driving forces of land use methods such as factor analysis, studies the change of land use. The results showed that 16 years district urbanization development was rapid; building, water and green land have been increased obviously; arable land and bare land is on the decline. And driving factors mainly man-made factors, population increase, economic development and the government’s policy is to influence the main driving factors of the regional land use change.