在ERDAS IMAGINE 9.0和ArcGIS 9.3软件平台下,以岳池县1993年、2001年和2007年的TM遥感影像为基础数据源,采用监督分类方法以及景观指数分析法,对岳池县景观格局的变化进行了分析。结果表明:岳池县近15年来旱地、林地、建筑用地和水体面积呈增加趋势,其中旱地和建筑用地增幅最大,分别增加了110.41 km2和47.99km2;水田和其他用地呈减少的趋势,水田减幅最大,达180.03km2。1993年~2007年,仅水体和其他用地斑块密度减小,其余景观类型斑块密度增加。受人为活动的干扰,研究区景观多样性指数先增加后减少,但破碎度指数逐步增大。 更多还原
【Abstract】 Based on the software of ERDAS IMAGINE 9.0 and ArcGIS 9.3 and remote sensing data of 1993,2001 and 2007,the landscape changes of Yuechi County was quantitatively analyzed by using supervised classification method and landscape ecology theory.The results showed that the area of arid land,woodland,building land and water body area was increased,and the area of arid land and building land had the biggest amplification in the recent 15 years,increased 110.41 km2 and 47.99 km2,respectively.While the ... 更多还原