海岸带地类统计模型中DEM空间尺度优选方法

江娜, 陈超, 韩海丰

An optimization method of DEM resolution for land type statistical model of coastal zones

JIANG Na, CHEN Chao, HAN Haifeng

表3 房屋建筑区在不同DEM尺度下各坡度带分布情况统计

Tab.3 Statistics of distribution in slope zones in residential area at different DEM resolutions (%)

DEM空间尺度/m 0° (0,2]° (2,3]° (3,5]° (5,6]° (6,8]° (8,10]° (10,15]° 2 5.29 71.85 13.19 8.02 0.96 0.52 0.11 0.05 5 0.59 86.83 8.65 3.62 0.25 0.06 0 0 10 0.17 95.73 3.89 0.21 0 0 0 0 15 0 99.63 0.37 0 0 0 0 0 20 0 99.72 0.28 0 0 0 0 0 30 0 100.00 0 0 0 0 0 0