边滩 meaning in English
marginal bank
point bar
sediment bar
Examples
- Silt will deposit there . velocities around groin head are larger than the scour velocity and scour hole may develop in this area . this would affect the stability of spur dikes
受丁坝阻挡，坝田所在的边滩区域流速很小，泥沙在此淤积:而坝头附近流速较大，通常在此区域形成冲刷，影响丁坝的稳定性。 - And there are three parfacies - - delta plain , delta front and prodelta and eleven microfacies which are distributary channel , channel bar , marginal bank ( point bar ) and so on . the text also discuss the sedimentary characteristic and cross section structure of every microfacies
识别出三角洲平原、三角洲前缘和前三角洲3个亚相及分流河道河床、心滩、边滩等11个微相类型，并对各微相类型的沉积特征和剖面结构进行了讨论。 - 2 , by detailed studying of sedimentary microfacies , guan 3 - 6 beds mainly belong to high crooked fluvial deposition system , and some parts of guan 5 - 6 show plait fluvial deposition system features : detailed divided them into edge beach , center beach and natural levee etc . 9 deposition microfacies and beach ridge and groove microficies
2 、通过沉积微相多层次逐级细分研究，认为馆3 - 6砂层组主要属于高弯曲度曲流河沉积体系，馆5 6部分小层表现为辫状河沉积体系；并细分出了边滩、心滩以及天然堤等九种沉积微相，以及滩脊和凹槽等微微相。 - Abstract : variations of flow pattern , flow velocity in deep poo l and side bar , mainstream thread , and water surface , caused by excavation project , are investigated by two - dimensional mathematical model in an orthogonal curvili near coordinate system . the change of bed - load transport rate , and redeposition r ate are predicted . the influences of the excavation project on navigation are ana lyzed . grid - type and flat - type excavation alternatives are proposed and discuss ed
文摘:采用正交曲线坐标系下的河道平面二维数学模型，研究了嘉陵江何家碛边滩采砂后河道流势、流态、滩槽流速、主流位置、水面高程及比降的变化规律，预测了采砂方案完成后卵石推移质输沙率变化及其对航道的影响，并对格形开挖和平整开挖方案进行了比较分析 - The sediments of the incised valleys show an upward - fining succession , and can be grouped into four sedimentary fades : gravel lag - deposit of in - channel to partly over bank sediments of a meandering river , flood plain - estuary , estuary - shallow marine , and estuary sand bar , based on lithology , paleontology , and sedimentary textures and structures
根据岩石学、沉积结构和沉积构造特征，本区下切河谷充填沉积物具有向上变细的沉积层序，可以划分为4个沉积相类型：河床滞留沉积物到部分曲流河沉积体系的边滩沉积、河漫滩河口湾沉积、河口湾浅海沉积和河口湾砂坝沉积。