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1·The study shows that the technology and method of distilling the thalweg using DEM are practical and effective.

实验结果证明，利用DEM自动提取沟沿线是一种快速、有效的技术方法。

2·The thalweg in loess hill area is an important terrain structural line, reflecting topography and landform character.

黄土丘陵区的沟沿线，是反映该区地形地貌特征的重要的地形结构线。

3·Raster DEM grid search method is to obtain the riverbed thalweg through a two-dimensional matrix search with a certain height rules.

栅格DEM搜索法是通过二维高程矩阵按照一定规则进行搜索，获取河床深泓线；

4·The effects of permeable pile groynes laid out along the thalweg in control and guide the regime of the lower Yellow River have been studied through movable bed model tests.

通过河工动床模型试验，对沿治导线布设形式的透水桩坝在黄河下游控导河势的效果进行了研究。

5·With quantitative thalweg evolution analysis in rivers coordinate system, the accurate thalweg of planar and vertical displacement of erosion and deposition can be calculated.

在河流坐标系中进行定量的深泓线演变分析，可精确计算深泓线的平面位移和垂向冲淤。

深泓

1·Raster DEM grid search method is to obtain the riverbed thalweg through a two-dimensional matrix search with a certain height rules.

栅格DEM搜索法是通过二维高程矩阵按照一定规则进行搜索，获取河床深泓线；