Longshore Sediment Movement and sedimentation rates of Ningde peninsula, fujian 福建宁德半岛沿岸泥沙运动和沉积速率研究
Off-shore bars are called "longshore bars" and "barrier islands" by some. The boat grounded on a sand bank. 滨外沙洲被一些人称之为沿滨沙洲和堰洲岛。
A federal labor official began meeting with representatives of the Pacific Maritime Association and the Longshore and warehouse union. 一名联邦劳工官员开始会见太平洋海事协会和国际码头及仓库工会的代表。
It depends on such variables as the available supply of sand and shell material and the intensity of waves and longshore currents. 这完全取决于诸如砂和壳质的补给数量以及波浪和沿岸水流的强度这样的一些因素。
Similar to what happens off the Chinese coast of the East China sea, ASL show very high longshore coherence which suggests that during winter subtidal sea level fluctuation along the southeastern coast of China is controlled by some common mechanism. 与东海沿岸冬季情况类似,南海北部沿岸水位波动有很高的空间相关性,说明冬季我国东南沿海的亚潮波动受某一共同机制的控制。
Linear analytical solution for longshore currents on short-crested waves 在沿岸流作用下的线性短峰波解析解
Therefore, these two may be the major topics on the instability of longshore currents before long. 所以这两个方面可能是以后对该问题研究的重要方向。
Use of a probability model of sand size parameters to analyze sediment longshore transport trends in different sections and depthes of the shore, showed that a bi-direction movement trend exists under normal wave condition, and the primary trend of the sand longshore transport is south westward. 应用泥沙粒级参数概率模型分析近岸泥沙纵向运动趋势,结果表明,常波况下,沿岸泥沙存在双向运动,湾顶海滩为汇集地带,泥沙纵向运动主趋势为西南向;
In this paper, the combined effect of wave refraction and diffraction, and the variation of longshore wave breaker height are considered. 文中还考虑了波浪折射、绕射的综合影响,以及沿岸波高不等引起的沿岸输沙率变化。
The major hydrocarbon-bearing formations arc deposits of longshore shoal, fan delta front and channelized turbidite. 其中沿岸滩坝、扇三角洲前缘和沟道浊积岩是主要含油气岩系。
The microbial count result showed that the numbers of total bacteria and vibrios in the samples increased in the order of longshore water, pond water and fecal samples. 传统的微生物培养计数表明,从海湾水、养殖池水到对虾粪样,细菌和弧菌的数量表现出依次增加的趋势,粪样及肠壁中弧菌的数量高出外界水环境1&4个数量级。
A Hybrid Turbulence Model for Numerical Solution of Longshore Current and Rip Current 用混合紊流模型求解沿岸流和离岸流
Study on the Longshore Sediment Transport and Coastal Erosion Situation in the Modern Yellow River Delta Area 现代黄河三角洲沿岸泥沙运移与岸滩侵蚀态势研究
Numerical Method for Calculation of Longshore Current by Using Boussinesq Equations 用Boussinesq方程计算沿岸流的数值方法
The scale of red tide disaster is closely correlated with the economic development, population growth, longshore breed aquatics and agriculture, terrestrial recrement. 赤潮灾害规模与上海城市的经济发展、人口增长、沿岸养殖业及农业、陆源排泄物等有密切关系;
In order to avoid the effects of the side boundaries on the longshore distribution of the currents, a so-called method of numerical pump plus buffer zone is proposed in the numerical tests and uniform distributions of the longshore currents are obtained. 在数值实验中,为消除数值计算中侧向边界对沿岸流纵向分布的影响,提出了数值水泵加缓冲区的边界处理方法,获得了较均匀的沿岸流纵向分布。
Theoretical study on longshore current velocity 沿岸流流速的理论研究
Material sources for natural gravel beaches include river input, cliff recession, seabed erosion, longshore drift, glacier rafting and human activities. 天然砾石海滩的物质主要来源于河流输入、海岸侵蚀、海底侵蚀、沿岸输送、人类活动及冰川搬运等。
To obtain a way for calculation of longshore current in the surf zone of the nearshore region in more complicated conditions, a numerical scheme for the calculation of combined wave and current is proposed on the basis of the Boussinesq equations. 为解决复杂情况下近岸破波区波浪破碎后的沿岸流计算问题,提出一种基于Boussinesq波动方程的统一的波、流数值计算模式。
The study shows that the sand bodies are mainly longshore bar, with more tabular sand and less lenticular sand or wedge shaped body. 研究表明,砂体以滨湖砂坝沉积为主,多呈板状,少量呈楔状或透镜状;
A calculation model of longshore sediment transport rate in sea bay by use of wind elements 利用风要素计算港湾沿岸输沙率的一个数学模式
The coral reef in the southwest of Leizhou Peninsula the only modern one a longshore the Continent in China, is reported in this paper. 雷州半岛西南岸的珊瑚礁,是唯一的中国大陆沿岸现代珊瑚礁。
SC_1 cycle is dominated by longshore bar deposit, while SC_2, SC_3 by tidal flat system. SC1旋回以滨岸砂坝沉积为主,而SC2、SC3旋回发育潮坪沉积体系。
The success of port construction in this area provided valuable experiences for the construction of other port projects in the open coastal line with huge longshore sediment transport, and therefore may be used for reference in the future. 工程建设的成功,为在有大量沿岸输沙的开敞海岸上建港积累了宝贵的经验,可供同行在今后的建港工作中借鉴。
The rate of longshore sediment transport is calculated based upon a CERC formula and use of 1977-1979 wave data. 利用1977-1979年波浪观测资料和CERC公式计算沿岸输沙率;
The measurements and numerical computations of longshore currents, wave heights, wave set up and set down on two beaches with the slopes of 1 ∶ 100 and 1 ∶ 40 were studied. 研究了两个缓坡海岸(坡度为1∶100和1∶40)上沿岸流、波高及波浪增减水的模型实验方法和数值模拟方法。
Those bridges have made great contribution to the economic development of longshore areas, but on the other hand, they have inevitably caused bad effects on the vessels 'navigation in bridge waterway area. 这些大桥在为沿江经济发展带来巨大推动作用的同时也不可避免的对桥区水域通航产生了不良影响。
Then a numerical wave breaking model based on the fully-nonlinear Boussinesq equations is investigated in terms of its application in calculation of longshore current. 然后,论文探讨了一种基于完全非线性Boussinesq方程的波浪破碎模型在沿岸流计算中的应用问题。
Sandy coast erosion is caused by longshore sediment in a long period. 沙质海岸的长期岸滩演变主要是由沿岸输沙所造成的。