在本区入海的一些河流上兴修的水库与挖沙采石，减少了入海泥沙量，这些人为因素是现今秦皇岛海岸侵蚀灾害的主要原因。
Man made reservoirs and sand excavation in some rivers reduce silt discharge into sea, these human activities are vital factors that cause coast erosion hazard in Qinhuangdao region recently.
当支沟泥石流输入主河的泥沙量小于主河的输沙量时，主河河床将下切，并逐渐恢复山区性河流的特征。
The main channel bed will scour if sediment amount from tributary debris is less than that the main stream can carry and the river evolution exhibits the characteristic of mountainous rivers.
河床冲淤相对平衡下的洪水分组含沙量阈值是多泥沙河流水沙调控的重要参数。
The study on the threshold of flood grouping sediment content and incoming sediment coefficient is based on the more 200 flood data measured in the lower Yellow River.
河床冲淤相对平衡下的洪水分组含沙量阈值是多泥沙河流水沙调控的重要参数。
The study on the threshold of flood grouping sediment content and incoming sediment coefficient is based on the more 200 flood data measured in the lower Yellow River.
应用推荐