基于RS的重庆市南川区石漠化程度与坡度关系研究

Study on Relation between Rocky Desertification and Slope in Nanchuan District of Chongqing City based on Remote Sensing

以"3S"技术为支撑,利用2004年TM卫星影像分析重庆市南川区石漠化程度与坡度关系.分别运用Erdas8.6、ArcGIS 9.0和SPSS 13.0软件对卫星数据进行预处理、分类、解译和回归分析,得到石漠化程度与坡度关系的线性回归方程:RDI=0.762x+2.637.结果表明,研究区石漠化程度与坡度有着紧密的关系,坡度越大,石漠化程度越高.

The satellite images in 2004 were applied to analyze the relation between rocky desertification and slope in Nanchuan based on RS. And software Erdas 8.6, ArcGIS 9.0 and SPSS 13.0 were borrowed to pre-process, classify, interpret and regressively analyze the satellite data. As a result, the regressive equation RDI = 0. 762x ＋ 2. 637 was obtained, which showed that rocky desertification had very close relation with the slope, namely the bigger the slope was the higher the desertification degree was.