在数字地形的基础上可开发各种河道信息应用系统，如冲淤分析、河床演变、工程规划、灾情评估等。
Based digital Terran information, river information application systems would be developed, such as erosion-deposition analysis, fluvial process, engineering planning and evaluation etc.
根据实测地形和水文泥沙资料，分析了葛洲坝枢纽运用后宜昌河段的河床冲淤变化、推移质和床沙的粗化以及枯水位的变化。
The river channel change, the bed load and bed material armoring, and the water level lowering after the operation of the Gezhouba project are analyzed based on the topographic and hydrologic data.
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.
在分析了汛期、非汛期水库泥沙冲淤影响因子的基础上，利用改进的BP网络模型对水库泥沙冲淤量进行计算。
In this paper, an improved BP network is used to calculate the scour and sediment of reservoir on the basis of analyzing influence factor of flood and dry season.
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.
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.
然后提出一种新的存储栅格数据的表结构，对河道的冲淤预测方法进行了初步地探讨，为快速有效地分析河道冲淤规律奠定了基础。
Then, a new table structure to store the raster data is put forward, so that the methods for the erosion-deposition prediction are discussed initially to improve the work efficiency.
结合“水冲法”抽淤的工程监理实践，介绍了清淤工程淤泥工程量4种不同的计算方法，分析其在应用中的优缺点。
In this paper 4 different calculation methods are introduced on the basis of supervision practice of desilting works with water jetting process, with their relative merits in application analyzed.
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.
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.
通过实际测量，分析了泥石流在沟道内冲淤特征以及影响泥石流冲淤特征的因素，如泥石流活动规模和局部沟道条件等。
Then, the scouring and silting characteristics of debris flow and their affecting factors including debris flow scale and local channel condition were explored by analyzing field survey data.
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.
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.
对比分析六种不同工况能达到的减冲促淤效果，给出最终的建议方案。
Analyze it under six kinds of the different work condition can attain the result, give end suggestion project.
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.
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。
With quantitative thalweg evolution analysis in rivers coordinate system, the accurate thalweg of planar and vertical displacement of erosion and deposition can be calculated.
文章分析了跨河桥梁对河道行洪、壅水、水流、冲淤等的影响，介绍了计算方法。
The article analyses the effects of crossing bridge on flood-flowing, resisted-water, water-stream and water-poured mud, an explanation of how to analyse and calculate them is given.
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.
基于泥沙运动的起动和止动条件分析了悬移质泥沙和床沙交换的内在机理，并根据这一机理推求了冲淤平衡状态下悬移质挟沙力级配的计算公式。
In terms of this mechanism, the calculation formula for the suspended load sediment-carrying capacity graduation under the balanced state of silting and scoring is deduced.
本文根据黄河主要干支流冲积河段实测高含沙洪水的输沙资料，从黄河下游河道比降、河宽、流速沿程调整、洪水非恒定性等方面分析研究了冲积河道输沙特性与河床冲淤特性。
The variations of slope and width, adjustments of flow velocity along the river course as well as the variability of flood in the Yellow River are analyzed based on the observation data.
通过建立二维水沙数学模型，计算分析对河道水位、流场及河床冲淤的影响。
Through the establishment of two-dimensional mathematical model of flow and sediment, calculate and analyse the effects on river water level, flow field and riverbed erosion and deposition.
利用常规资料与多时相卫星遥感图象，分析了黄河上游干流水库投入运用后内蒙河段河床的冲淤演变及平面形态变化。
This paper examines the erosion and accretion evolution based on sea charts, combined with hydrodynamics and sediments, as well as channel evolution of the Changjiang estuary.
依据输沙量法分析了内蒙古河段冲淤变化特点，进一步指出了不同河段淤积的原因；
The volume of erosion or deposition for every year is calculated by transport rate method. The reasons for the sedimentation in different reaches are pointed out.
通过实际测量，分析了泥石流在沟道内冲淤特征以及影响泥石流冲淤特征的因素，如泥石流活动规模和局部沟道条件等。
Then, the scouring and silting characteristics of debris flow and their affecting factors including debris flow scale and local channel.
通过实际测量，分析了泥石流在沟道内冲淤特征以及影响泥石流冲淤特征的因素，如泥石流活动规模和局部沟道条件等。
Then, the scouring and silting characteristics of debris flow and their affecting factors including debris flow scale and local channel.
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