靠近河岸上，有一处浅水沙嘴。
流域内水沙变化主要是人类活动引起。
The variations of runoff and sediment load of the basin are caused mainly by human activities.
为今后研究河流水沙运动规律提供了理论依据。
Those will provide basic theory for study regulation of water and sediment movement.
土壤侵蚀所形成的坡面径流是水沙液固两相流。
The slope runoff formed by soil erosion is two-phase flow constituted by water and sand.
水沙的锐减对河口生态环境的变化有着负面影响。
The sharp reduction of water and sediment discharges has a negative effect on the changes in the estuarine ecologic environment.
泥沙沉积受制于水沙条件的变化和河道边界的约束。
The sedimentation is influenced by the variation of incoming water and sediment and controlled by river boundaries.
黄河口的减沙与水沙资源利用是稳定黄河流路的重要措施。
Silt reduction and exploitation of silt resources are important measures to keep the river channel stable.
水沙的季节性变化影响着年内的径流量、输沙量的分配情况。
The seasonal variations in water and sediment discharges affect the distributions of annual runoff and sediment discharge.
提出在河道中持续筑堰，改变水流通过方式，实施水沙分离。
Proposed weir in the river continued to build and change the way water flows through the implementation of water and sediment separation.
本文对1950年以来黄河上中游水沙变化特点进行了分析。
This paper analyses the characteristics of runoff and sediment changes since 1950 in the Upper and Middle Yellow River.
南槽是长江口主要的水沙交换通道之一，受人类活动影响较小。
The South Passage which is little affects by the human being is the main channel of water discharge and sediment in the Changjiang Estuary.
泥沙颗粒对水流紊动的影响是水沙两相流运动的重要问题之一。
The influeace of the sediment particles to the flow turbulence is an important problem of the water sand two phase flow.
弯曲分汊型河道在冲积平原河流中常见，其水沙运动规律较为复杂。
The bending braided river is common in the alluvial plain, which water and sediment movement characteristics are complex.
确定了黄河下游河道处于泥沙存贮-释放临界状态的水沙临界条件。
Based on data from the Huanghe (Yellow) River, the sediment storing-releasing process in an alluvial channel has been studied.
在此基础上开展了典型水沙条件下黄河河口泥沙运动规律的模拟研究。
On this basis, the model is applied to study the movement of sediment in the estuary of Yellow River under typical flow and sediment condition.
在此基础上，对未来黄河三门峡以上区域的水沙变化趋势进行了展望。
Based on these, the outlook of the tendency of runoff and sediment variety in the future in the upper area from Sanmenxia is put forward.
本文通过分析黄河水沙变化特性，探讨了河床沉积与形态调整的变化。
In this paper, the characteristics of the flow-sediment variation and the corresponding adjustment of riverbed shape are studied based on the observation data.
为了使黄河水资源得到更合理的利用，必须对全流域水沙进行统一管理。
Unified management should be applied to water and sediment in the whole basin to make more reasonable utilization of the water resource in Yellow River.
渭河是黄河的第一大支流，也是一条多泥沙河流，具有水沙异源的特征。
The Weihe River is the biggest and much sandy tributaries of the Yellow River and its water and sediment comes from different source areas.
通过该方程与水沙条件的分析，进一步验证了散粒体泥沙起动的流速公式。
Based on the analysis of the equation and condition, the starting current velocity formula about the pill sediment is further proved.
黄河下游输沙用水总量是黄河下游河道这种自动调整水沙关系的宏观表现。
The total water requirement for sediment transport in the Lower Yellow River is the reflection of this self adjustment.
水沙两相流冲淤的双临界现象，对于多沙河流河道泥沙的输移有重要意义。
This double threshold phenomenon plays an important role in sediment transportation of heavily sediment laden rivers.
河流入海水沙量的减少甚至枯竭是陆地水利工程海岸效应产生的主要原因。
A major cause resulting in the coast effects is the reduction even dried up of water and soil inflow into the sea.
黄河三角洲拥有十分丰富的土地资源、石油天然气资源、水沙资源与海洋资源。
The Yellow River Delta is a region abundant in land resources, oil, natural gas, water and sand and ocean resources.
根据利津水文站的实测水沙资料，分析了1950年以来黄河口水沙的变化特征。
According to the observed runoff and sediment data of Lijin Hydrometric Station, the paper analyzes the characteristics of runoff and sediment variations of the Yellow River mouth since 1950.
由于长江大堤的阻隔，故道与长江的水沙交换受到限制，引起一系列的水沙条件变化。
Because of obstructing by the Yangtze River Dike, the exchange of water and sediment between the ancient course and Yangtze River are limited, leading the water and sediment having much changes.
在孔口影响域内，水沙两相不仅在垂向上有速度滑移，而且在水平方向上也有相对运动。
The slip velocities occur both in the vertical and horizontal directions in the influenced zone by the bottom outlet.
评论目前所采用的三峡工程水库泥沙冲淤计算或试验的水沙系列，并提出新的水沙系列。
The series of water and sediment data for the computation or verifcation of sediment scour and fill in the Three Gorge Reservoir has been discussed, and a new series has been proposed.
对长江上游水沙变化、中游干流河道泥沙冲淤变化以及两者之间的响应关系进行了分析研究。
The flow and sediment variation in the upstream of the Yangtze river, the sediment scouring and silting in the channel of the middle Yangtze river and their response relation were analyzed.
影响河口河道好坏的因素，除淤积延伸长度外，还应包括河槽形态、水沙过程、河口疏浚等。
Besides the extension length of sedimentation, the factors that effected the river course are channel pattern, process of water and sediment and dredging.
应用推荐