基于RS技术汉中市佛坪县土地利用信息提取研究

Research on extraction of land use information from Foping County in Hanzhong City based on remote sensing technology

以2016年佛坪县Landsat 8影像和2016年佛坪县土地变更数据为数据源,利用ENVI 4.7及ArcGis软件,采用监督分类和目视解译相关方法,结合佛坪县实地调查取得的地物特征,对佛坪县土地利用信息进行提取。结果表明:2016年佛坪县土地利用类型8个一级类中,林地面积占佛坪县土地总面积最大,高达94.95%,草地面积占佛坪县土地总面积最小,比重为0.21%。

Based on the 2016 Landsat 8 image of Foping County and the land change data of Foping County in 2016,this paper uses ENVI 4.7 and ArcGis software,uses supervised classification and visual interpreting methods,combined with the features obtained from field investigation in Foping County Characteristics to extract Foping County land use information.The results show that among the 8 first-class land types in Foping County in 2016,the forest land area accounts for the largest total land area in Foping County,which is as high as 94.95%.The grassland area accounts for the smallest total land area in Foping County,with a proportion of 0.21%.