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2 基于ASTER-GDEM水系的Horton-Strahler法参数

Tab.2 Horton-Strahler method parameters based on water system of ASTER-GDEM

河流 等级 数目/条 平均长 度/km Rb RL lgRb lgRL 1 877 1 363.910 2.016 0.486 0.305 -0.516 2 435 663.030 2.112 0.464 0.325 -0.489 3 206 307.920 1.392 0.622 0.144 -0.843 4 148 191.470 2.056 0.526 0.313 -0.505 5 72 100.750 72.000 0.028 1.857 0.269 6 1 2.850