bedload相关论文
Sediment transport mechanisms and selective removal of soil particles under unsteady-state condition
Selective removal of particles and nutrients by water erosion is a key factor in soil erosion studies.Most agricultural ......
In this study the software tool BASEGRAIN is used to derive the grain size distribution from pictures of different armor......
Submerged weirs or sills are low head hydraulic structures that span the full width of the channel for limiting excessiv......
The lateral distribution method is based on the force balance between gravity, bottom friction, lateral shear, and secon......
The objective of this paper is to discuss and review experiences related to sediment transport and sediment handling dur......
River channel forestation is an important issue considering both environmental and flood protection managements....
To restore a more active sediment transport in the Rhine River, the introduction of coarse sediment from the floodplain ......
Severe flooding which occurred during the 2011 monsoon season in Thailand was the heaviest flooding in the past 50 years......
Morphological changes in the River Nile due to large dams such as Merowe Dam are taking place due to changes in the flow......
Invited lecture: The Effects of Hydrodynamic and Granular Controls on Bed Load Flux Intermittency: A
Understanding how fluid flow drives sediment flux in a river is fundamental for predicting erosion and landscape evoluti......
In the upper plane bed (UPB) regime, bed friction and sediment transport are interrelated.High bed shear agitates sedime......
A tidal bore is a series of waves propagating upstream in a river mouth as the tide starts rising.The transient sediment......
The Fokker-Planck equation (FPE) has been extensively used to characterize the evolution of the probability density func......
This paper numerically investigates the particle saltation in a turbulent channel flow having a rough bed consisting of ......
Knowledge of initiation of motion of sediment particles over river bed and its transport characteristics are required in......
Unsteady flood hydrograph flows and graded bed sediments are two distinct characteristics of many natural alluvial syste......
Over the last several decades, various sediment transport capacity formulations have been used by geomorphologists and e......
During a flood event, vehicles can easily be swept away by the floodwater.This addition of debris in the flood water is ......
Due to the special hydrographic and physiographic conditions in Taiwan, whenever a typhoon or rainstorm event comes, flo......
In this study, three dimensional density currents were first calculated by the improved delay detached eddy simulation (......
In this paper bed load sediment motion within the intermediate range of scales, corresponding to particle motion between......
Contrasting lipid biomarkers in mountain rivers in the Nepal Himalayas:Organic matter characteristic
The Nepal Himalayas is the source of many glacial and spring-fed river systems crisscrossing the moun-tainous terrain.Th......
Numerical modeling of bedload and suspended load contributions to morphological evolution of the Sei
This numerical modeling study(i)assesses the influence of the sediment erosion process on the sediment dynamics and subs......
Sediment detention basins are implemented on mountain rivers to trap solid material that may aggravate the flooding of d......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
In order to assess the dynamics of rivers,a reliable characterization of bedload transport particularly during unsteady ......
Saltation of sediment particles is an important pattern of bedload transport.Based on force analysis for sediment partic......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
For several decades,quantification of riverbed grain size stratigraphic evolution has been based upon the active layer f......
在自然降雨下,研究降雨、坡度、耕作和施肥对侵蚀泥沙、有机质和全N富集率的影响,分析土壤和泥沙颗粒组成、富集与泥沙有机质和全N......
衣干其水库是叶尔羌河中游灌区的一座平原灌注式水库，该水库引叶尔羌河河水，叶尔羌河是一条多泥沙河流，就衣干其水库运行40多年来发生......
为了同时对水库中的冰层厚度、水位、泥沙层高度进行测量,基于电容层析成像传感器模型的测量机理,设计了一种非封闭式、多级板、多......
从沙质海岸的水流泥沙运动基本理论出发，提出了沙质海岸河口泥沙回淤计算模式，推导出了适合闽江通海航道挖槽回淤计算的稚移质输沙率......
粒径趋势分析是一种用于判断海洋环境中沉积物净输运方向的方法，但是至今粒径趋势形成的物理机制尚不够清楚，因而影响了粒径趋势分析......
潮汐河口推移质运动复杂,人们至今对此所知甚少,本文试图基于实测水流与沉积资料,系统地探讨瓯江河口推移质的造床作用.通过该河口......
近底水流中推移质的输移属于固液二相流问题.本文针对固相推移质具有的随机和力学双重特性,通过类似分子运动论中Boltzmann方程的......
本文将Ｓｔｏｋｅｓ二阶波理论用于研究底沙运动，提出了改进的输沙率关系式，并运用波普法和特征波法及规则波作用下底沙运动成果，对不规则波作用下......
本文建立了一个模拟推移质运动的二维数学模型，水流运动方程中了河流弯曲处环流所引起的动量交换，推移质运动方程中则考虑了推移质运......
为研究总磷与泥沙之间的质量浓度关系，采集了三峡库区7个断面的地表水样品，通过筛分、滤膜过滤等方式，分离了水样中不同粒径的泥沙，得......
利用粒子示踪技术对恒定均匀明渠流中的推移质颗粒运动进行了测量，采用了三种比重的试验沙，通过改变沙样粒径及水力比降，得到了10组不......
Sediment detention basins are implemented on mountain rivers to trap solid material that may aggravate the flooding of d......
河床形态一直是生产实践中关心的问题，目前关于高含沙时的河相关系论述较少。作者根据河流自动调整的特征，建立了多沙河流河床形态新......
在正交坐标系下，建立了能较好拟合长江口边界的平面二维潮流和全沙数学模型。应用和９９６年洪、枯两委大、中、小潮水文泥沙资料和１９９５年、１９９６年......
本文建立了一个支流河口水沙运动的二维数学模型，采用贴体正交曲线坐标克服了干支流汇合处河道边界形状复杂的困难，给出了正交曲线坐......
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这份报纸关于流动和在雨季(7 月 8 月) 期间承担的沉积运输大小报导 2008 在 Gereb Oda 上，一陡峭，沙床短暂溪流，在北埃塞俄比亚排干......
To achieve the sustainable use of dams,the development of methods for sediment management in reservoirs is required.One ......
