海岸泥沙运动

粉沙质海岸泥沙运动及航道淤积机理研究

Study of Sediment Transport and Channel Siltation on Silty Coast

粉沙质海岸泥沙运动推悬比的确定

Definition of Ratio of Bed-suspended Load from Sediment Movement Along Powder Sandy Coasts

茂名港沙坝泻湖海岸泥沙运动特征分析

Characteristics of Sediment Movement on the Coast of Sandbank and Lagoon of Maoming Port

海岸泥沙运动研究综述和展望

Review and Forecast of Coastal Sand Transport Research

研究结果对于河口海岸泥沙运动具有一定的理论和应用价值。

These research findings have both theoretical and applicable value of estuary and coastal sediment movement .

波浪作用下床面摩阻系数对于波浪变形和床面剪应力的准确计算，乃至海岸泥沙运动的合理描述具有重要意义。

The estimation of friction factor under waves is very important to the calculation of wave transformation , bed shear stress and even to the description of coastal sediment transport .

河口海岸泥沙运动研究涉及三大要素：河口海岸动力因素、泥沙特性和工程环境因素。

Three essentials must be considered when studying on estuary and coastal sediment movement , dynamic factors of estuarial and coastal areas , characteristics of sediment and factors of engineering environment .

提出了海岸泥沙运动中均匀沙和非均匀沙输沙率推悬比和航道淤积推悬比的计算方法。

A method is proposed for calculating the bed suspended load ratio of transport rate both uniform and non uniform sand in coast sediment movement as well as for calculating that of channel deposition .

在简要回顾我国自50年代以来，关于淤泥质海岸泥沙运动的试验研究概况之后，对笔者提出的航道、港池淤积预报方法进行了补充和完善。

This paper , after briefly reviewing the experimental research on sediment transport on muddy beach since the 1950s , improves and perfects the method for forecasting siltation in navigation channels and harbour basins which was first put forward in China by the authors .

海南岛新海湾海滩地貌状态与海岸泥沙纵向运动特征

Geomorphological types of beach and the characteristics of sediments longshore movement in arc-shaped Bay of Xinhai bay , Hainan Island

以连云港进港航道为例，应用波浪、潮流共同作用下的二维泥沙数学模型，研究淤泥质海岸的泥沙运动及航道回淤问题。

Based on the well-verified three-dimensional tidal-current numerical model , the features of cross-flow in approach channel in Lianyungang Harbor were investigated .

分析了粉沙质海岸泥沙的运动特点，在实验的基础上探讨了底部高浓度含沙水体输沙量的计算方法，分析了泥沙淤积的预报方法。

Moving features of powder sand are described , a calculation method of sand transport rate in high concentration layer near the bottom is discussed based on the tests , and finally , some forecast ways of sand accumulation are given as well .

潮流泥沙数学模型河口海岸潮流泥沙运动具有三维特性，三维数学模型能较合理地反映河口海岸潮流运动的三维特性和悬沙与床沙之间复杂的交换问题。

Tidal flow and sediment mathematic model . The motion of the tidal current and sediment of estuarial and coastal areas has three-dimensional characteristic in nature . Thus 3-D mathematic model can reflect this characteristic and the complicate exchanges between suspended load and bed load reasonably .

对海岸河口泥沙运动的基本方程、数值方法、边界条件、参数选取等进行了归纳总结和评述，以期对本学科的发展起到一定的引导和促进作用。

This paper makes summaries and comments on various mathematical models ( basic equations , numerical methods , boundary conditions and parameter determination , etc. ) of sediment movement in coastal and estuarine waters , in the hope of guiding and promoting the study of the subject .

黏性泥沙絮团的形成机理和沉降特性对河口海岸细颗粒泥沙运动规律研究具有重要作用。

The complicated fractal flocculation processes and settling behavior of cohesive sediment are very important to understand the cohesive sediment transport in estuaries and along coasts .

粉沙质海岸的界定及其泥沙运动特点

Definition of silt-sandy beach and its characteristics of sediment movement

在海岸地区，引起泥沙运动的最主要动力因素是波浪。

In the coastal area , the main factor which forces the movement of sediment is the wave .

本文在现有河口海岸动力学理论、泥沙运动理论、波浪理论和数值计算方法的基础上，建立了平面二维潮流、泥沙输移和波浪折绕射数学模型。

Basing on estuary and coastal hydrodynamic theory , sediment transport theory , wave theory and numerical method , this paper presents a two-dimensional current , sediment transport modle and a wave numerical model , deformation module .

国内外学者对砂质海岸和淤泥质海岸的泥沙运动规律研究较多，并且有较多港口工程和海岸工程的实例，因此对泥沙问题的认识相对比较深入。

The sand moment laws over silt sea bed and sand sea bed have been studied by many scholars both domestic and oversea , in the meantime , there are many success examples of harbor engineering and other coastal engineering , so we can understand it more clearly .

粉沙质海岸明显区别于淤泥质海岸和沙质海岸上的泥沙运动特性及规律。

The sediment motion characteristics and laws on powder sandy beach are obviously distinguished from that on muddy beach and sandy beach .

由于海岸、河口区域水深较浅，浪、流是主要的动力因素。波浪和潮流共同作用对海岸带地区的泥沙运动有十分重要影响。

In the coastal , estuarine areas , the wave and tide are the main dynamic factor with the change of water depth .

在海岸动力要素中，波浪是岸滩演变、海床冲淤、近海建筑物破坏最重要的动力因素，波浪作用下的悬移质运动是海岸泥沙运动的重点。

Wave is the most important dynamic factor of coastal evolution , seabed erosion , offshore structures destruction . The suspended sediment motion under wave action is the research emphasis of the coastal sediment movement .