海岸带地类统计模型中DEM空间尺度优选方法
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江娜, 陈超, 韩海丰
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An optimization method of DEM resolution for land type statistical model of coastal zones
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JIANG Na, CHEN Chao, HAN Haifeng
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表1 地形统计特征与DEM空间尺度的关系
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Tab.1 Relationship between topographic statistical features and DEM resolution
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DEM空间
尺度/m | 地表平
整系数 | 最小值/m | 最大值/m | 均值/m | | 2 | 0.977 6 | -79.0 | 1 130.7 | 49.563 6 | | 5 | 0.981 5 | -79.0 | 1 129.6 | 49.563 6 | | 10 | 0.985 1 | -78.9 | 1 129.9 | 49.563 6 | | 15 | 0.986 7 | -79.0 | 1 127.7 | 49.563 6 | | 20 | 0.987 9 | -79.0 | 1 127.5 | 49.563 7 | | 30 | 0.989 4 | -78.8 | 1 126.2 | 49.563 6 | | 40 | 0.990 5 | -78.8 | 1 111.1 | 49.564 1 | | 50 | 0.991 3 | -78.8 | 1 123.3 | 49.563 5 | | 60 | 0.992 0 | -78.8 | 1 103.8 | 49.563 8 | | 70 | 0.992 6 | -78.7 | 1 109.2 | 49.561 1 | | 80 | 0.993 1 | -78.7 | 1 092.1 | 49.564 5 | | 90 | 0.993 5 | -78.7 | 1 111.1 | 49.562 3 | | 100 | 0.993 9 | -78.7 | 1 098.6 | 49.566 4 |
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