河道

The ice blocks up the river, making the upstream water unable to flow.

冰把河道堵住了, 上游的水流不下来。

To prevent flooding; we shall have to divert the river from its course.

为防止水泛滥, 我们必须使河流偏离其河道。

The relationship between water-depth and discharge of overbank flows is very different form inbank flow.

漫滩水流在天然河道中极为常见,尤其在冲积平原地区。

Riverway treatment is a traditional and pragmatical engineering of an ancient and active field.

河道治理是传统实用的工程，是一个古老而活跃的领域。

The total sedimentation was that rivers were branching and migrating frequently,and the sedimentary structures and fossil of ichnite were growing generally.

其总体沉积特征为:河道频繁分支与迁移,发育各种沉积构造及生物遗迹化石。

For lack of the theoretical calculation method at present,the skew bridge backwater is simulated in adopting circle pier and embank uncompressing river through hydraulic models.

多在天然河道进行,当墩阻水面积河道过水面积的比例较小时,可以不墩壅水影响。

To carry out a method of tracing and investigation against the industrial sewage directly discharged into rivers so as to search the main pollutive source.

对直接排入河道的工业污水来源采取追踪调查的方法，寻找主要污染源。

And the boundary of them has the same lithologic character: the ravinement surface of river course or exposure mudstone of flooding plain and root clay.

二者的界面是相同的,均为河道砂体底部的冲刷侵蚀面或者是暴露过泛滥平原泥岩、根土岩等。

This method can acurately simulate the flow direction in gird near river, and can keep the direction of waterflow from crossing the watershed of subdrainage area.

这样既可以较精确地反映出河道附近格网的水流方向，又可以让各个子流域内的汇流方向和水流方向不会跨越子流域的分水岭。

Cuspate deltaic sands micro-facies, which formed at the time of powerful wave action, the continuity of marine distributary channel is bad, and distributes in cuspate shape. 3.

3、坨状三角洲砂体微相，形成时波浪作用很强，水下分流河道连续性较差，呈坨状分布。

Four isolate barrier beds occurened usually in boundary surface of each internal architecture unit in channel sandbody, i. e. find bed, muddy pebble bed, plant clasts bed and diagenic bed.

在河道砂体内部构成的不同层次实体界面上，通常存在着4种隔挡层，即细粒物质隔挡层、泥砾隔挡层、植物碎屑隔挡层和成岩隔挡层。

Dupiton has spent the last few months overseeing an ambitious project to widen the La Quinte river, the biggest of several that empty at the town, so that it does not burst its banks once again.

过去的几个月内，杜普顿一直为“拓宽肯特河”的计划忙碌着。肯特河是城里已干涸的河道里最大的一个，他持续的监测是为了确保河水不会再次崩坝。