潜流交换机理主要包括泵吸交换和冲淤交换。
The main mechanisms of hyporheic exchange include pumping exchange and turnover exchange.
该模型也能够合理描述泥沙分选过程中伴随的冲淤过程。
The present model is also proper for describing the sediment sorting accompanied with erosion and depositional processes.
给出了一个描述宽浅水域风生流及床面冲淤的数值模型。
A three dimensional model is presented which can be used to predict wind-induced current and evolution of bed surface in shallow waters.
本模型可用于预测不同减水减沙情况下的泥沙冲淤调整过程。
Thus, the model can be used to predict the sediment scouring and depositing processes under conditions with decreased quantities of water and sediment.
海底的冲淤格局与泥沙输运场中输运率的聚合或发散状况一致。
The seabed erosion - accretion pattern is consistent with the situation of convergence or divergence of sediment transport rate.
但海底地形变化在不同的地段是不同的，且冲淤变化差异明显。
But submarine topography changed differently in the different area, especially in the kinds of erosion and siltation.
冲淤计算是河流、河口、海岸等水域中分析、预测床面变化的基础。
Computation of erosion and deposition on the bed surface is a foundation of predicting bed variations in rivers, estuaries and seas.
沙坝-泻湖型沙滩剖面冲淤变化的主要特征是中潮带形成次一级沙坝。
The main response feature of the bar-lagoon beach profile's was formation of secondary bars at mid tide zone.
沙坝-泻湖型沙滩剖面冲淤变化的主要特征是中潮带形成次一级沙坝。
The main response feature of the bar-lagoon beach profile was the formation of secondary bars at the mid tide zone.
冲淤计算是河流、海岸、港区等水域分析和预测水下地表变化的基础。
The analysis and forecast of riverbed change is based on the riverbed deposition calculation on the water area of river, seashore, port and so on.
基于不同级别支流的汇流建立了枯水期河流网上的泥沙冲淤动力学模型。
Based on the confluences of the different rank streams, a dynamical model of sediment transport on river network is proposed.
冲淤变化是一种复杂的物理过程，它包括许多自然因素和人类诱发因素。
The change of deposition and erosion is a complicated physical processing. It includes many natural factors and human being factors.
分析表明，水库调度、来水来沙、河床形态是影响冲淤变化的主要因素。
Analysis shows that the adjustment of the reservoir, the coming water and sand, and the form of the river bed are the main factors of sediment change.
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.
针对封闭或半封闭海湾的海岸线，引入分形分析法，预测其冲淤变化趋势。
In this paper, the fractal analysis is used to predict the erosion and deposition trend of closed or semi-closed bays.
采用基于TIN模型的河道冲淤计算方法定量计算了四次疏浚前后的冲淤量。
Scouring and siltation volumes before and after four times of dredging are calculated by applying the scouring and siltation quantitative methodology on the basis of TIN model.
滩涂围垦、水产养殖、防波堤建设和航道疏浚等往往涉及潮滩冲淤变化的研究。
The problems of beach dynamical physiognomy are usually related with beach inning, aquiculture, jetty construction, and sea - route dredging and so on.
该方法具有计算精度高、河道形态显示直观、冲淤部位空间分析能力突出等优点。
The method has obvious advantages of higher calculation accuracy, visualized channel morphology and distinct capability of spatial analysis of scouring and siltation locations.
在泾河上修建东庄水库，必须充分考虑水库的运用给渭河下游河道带来的冲淤影响。
Jinghe River is a grade II tributary of the Yellow River and its downstream converges into the downstream of the Weihe River, which lies within the Sanmenxia Reservoir area.
测点统计模型是一种静态分析方法，用来建立测量点的高程和坡度与岸滩冲淤的关系。
Statistical survey model is a static analysis, which can be used to establish the relationship between the erosion and deposition of the shoal and the altitude and slope of survey spot.
因此，研究不同潼关高程对渭河下游冲淤及洪水位的影响具有迫切而重要的现实意义。
Accordingly, it is urgent and important to study the effect of different Tongguan riverbed elevations on aggradation and degradation as well as the flood elevation of the lower Weihe river.
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.
潮滩地形的冲淤演变规律可以在一定程度上反映动力作用与地貌特征之间的相互耦合机制。
To some extent, scouring and silting evolution of tidal flat may reflect the relationship and interaction between dynamic effect and geomorphologic characteristics.
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.
河流泥沙是流域内各种自然因素和人为因素综合作用的反应，与河道本身冲淤变化密切相关。
River sediment yield is the reaction of various natural factors and human action factor comprehensive role in basin, wash with sedimentation of river course to change, is related closely.
建桥后由于桥墩扰流，改变了原有的水流条件与河床冲淤条件，从而影响到原有的通航条件。
Due to the disturbed flow at bridge pier, the original condition of flow and bed scouring and sedimentation was changed, and thus the navigation condition was affected.
本文提出了一种新的聚类指数增长模型来预测江苏洋口港海区西太阳沙附近海底的冲淤变化。
A new cluster index growth model to predict submarine erosion and sediment near the West Tai-Yang-Sha of Jiangsu Yangkou-Port has been brought forward in this paper.
本文通过对多年实测资料的分析，总结出对三门峡水库泥沙冲淤量影响很大的变量的经验公式。
Based on analysis of the many measured data of Sanmenxia reservoir an experimental formula is presented with some factors affected by the change of sedimentation and scour of Sanmenxia reservoir.
作者采用实测资料分析了河口冲淤的反馈影响，并运用数学模型计算了河口向海域延伸的安全距离。
Based on the measured data and calculation with mathematical model, the reactions of the river mouth evolution on the upstream river channel were also depicted.
作者采用实测资料分析了河口冲淤的反馈影响，并运用数学模型计算了河口向海域延伸的安全距离。
Based on the measured data and calculation with mathematical model, the reactions of the river mouth evolution on the upstream river channel were also depicted.
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