基于地貌视角的喀斯特流域水系分维估算方法适应性分析
安全, 贺中华, 赵翠薇, 梁虹, 焦树林, 杨朝晖

GIS-based estimation of fractal dimension and geomorphological development of the water system in the dam construction area
Quan AN, Zhonghua HE, Cuiwei ZHAO, Hong LIANG, Shulin JIAO, Chaohui YANG
表4 地形图水系与ASTER-GDEM渔网法参数
Tab.4 Water system of topographic map and ASTER-GDEM fishing net method parameters
地形图水系渔网法 ASTER-GDEM水系渔网法
栅格边长r 栅格数目N(r) Lgr LgN(r) 栅格边长r 栅格数目N(r) Lgr LgN(r)
500 5 023 2.699 3.701 500 5 723 2.699 3.758
1 000 2 169 3.000 3.336 1 000 2 574 3.000 3.411
1 500 1 238 3.176 3.093 1 500 1 561 3.176 3.193
2 000 800 3.301 2.903 2 000 996 3.301 2.998
2 500 566 3.398 2.753 2 500 686 3.398 2.836
3 000 427 3.477 2.630 3 000 491 3.477 2.691
3 500 322 3.544 2.508 3 500 373 3.544 2.572
4 000 264 3.602 2.422 4 000 295 3.602 2.470
4 500 221 3.653 2.344 4 500 238 3.653 2.377
5 000 177 3.699 2.248 5 000 200 3.699 2.301
5 500 154 3.740 2.188 5 500 172 3.740 2.236
6 000 131 3.778 2.117 6 000 143 3.778 2.155
6 500 121 3.813 2.083 6 500 126 3.813 2.100
7 000 101 3.845 2.004 7 000 113 3.845 2.053
7 500 92 3.875 1.964 7 500 101 3.875 2.004
8 000 80 3.903 1.903 8 000 90 3.903 1.954
8 500 74 3.929 1.869 8 500 82 3.929 1.914
9 000 68 3.954 1.833 9 000 71 3.954 1.851
9 500 64 3.978 1.806 9 500 65 3.978 1.813
10 000 57 4.000 1.756 10 000 61 4.000 1.785