ArcGIS环境下DEM的坡长计算与误差分析
晋蓓, 刘学军, 甄艳, 李灏书
Analysis of Slope Length Extracted from Grid-based Digital Elevation Model in ArcGIS Environment
JIN Bei, LIU Xuejun, ZHEN Yan, LI Haoshu
地球信息科学学报 . 2010, (5): 700 -706 .