...关键词：DEM；ArcGIS 10．0；流域特征；自动提取；三川河流域 [gap=1126]Key words：DEM；ArcGIS 10．0；basin characteristics；automated extraction；Sanchuan River Basin ...
基于26个网页-相关网页
The approach adopted in this study involves a comprehensive review of methods concerned with extraction of basin characteristics; this includes stream classification according to Strahler, slope derivation, calculation of gull density.
首先总结了基于DEM的流域特征提取方法，包括河流Strahler分级，流域坡度的提取，沟壑密度的提取等。
参考来源 - 基于DEM的水文模型及流域汇流非线性问题研究·2,447,543篇论文数据，部分数据来源于NoteExpress
流域特征值是计算设计洪水的基本因子，正确地量算流域特征值是提高设计洪水精度的必要条件。
Drainage basin characteristics values are the basic factors to account design flood, so correctly computing their values are requirement for improving design flood precision.
分析研讨了洮河流域的流域特征、主要自然地理要素对水文的影响，以及降雨径流要素的变化规律。
Analyze the hydrologic characteristics of tao river basin, the influence on the hydrology progress imposed by physiographic factors, and variation of the relationship between rainfall and runoff.
通过对此次泥石流灾害的现场调查，分析双养子沟泥石流流域特征，特别是在地震和暴雨共同作用下的泥石流沟道特征，讨论泥石流的起动方式。
For discussing the starting way of debris, this paper analyzed the watershed, especially the gully channel characteristics of Shuangyangzi gully based on field survey after the Wenchuan earthquake.
应用推荐