四川省土地利用时空动态变化分析

Analysis of Temporal and Spatial Change of Land Use in Sichuan Province

土地是影响环境与发展的重要因素,及时掌握土地变化状况对地区土地利用调整有重大意义.为探明近20年来四川省土地利用时空变化状况,研究利用1996年、2005年及2014年四川省土地利用变更数据,同时结合多种动态变化经典模型对其进行定量分析.结果显示:近20年内,四川省土地利用结构变化明显,利用程度波动较大.

Land is an important factor that affects the environment and development,and it is of great significance to grasp the change of land in time. With the classic model of multiple dynamic quantitative analysis,this study utilized 1996,2005 and 2014 land use data to investigate the status of Sichuan province land use change in the past 20 years. The results showed that in the past 20 years,the change of land use structure in Sichuan province was obvious,and the land use degree fluctuated greatly.