解决黄河下游河道泥沙淤积问题，“增水”是一条重要途径。
Water tranferred from Yangzhi River is an important way to solve the siltation of channel of lower Yellow River.
水沙两相流冲淤的双临界现象，对于多沙河流河道泥沙的输移有重要意义。
This double threshold phenomenon plays an important role in sediment transportation of heavily sediment laden rivers.
对长江上游水沙变化、中游干流河道泥沙冲淤变化以及两者之间的响应关系进行了分析研究。
The flow and sediment variation in the upstream of the Yangtze river, the sediment scouring and silting in the channel of the middle Yangtze river and their response relation were analyzed.
水蚀风蚀交错带是黄土高原水土流失最为严重的地区之一，该地区生态环境十分脆弱，成为黄河中下游河道泥沙输入的主要来源。
The water-wind erosion crisscross on the Loess Plateau is a special region with severe soil erosion and brittle ecosystem and being the main sediment source of the Yellow river.
但由于全球变暖，冰川和雪原融水蒸发，造成泥沙堵塞缩小河道的危险。
But because of global warming, all across the plateau, glacial and snow run-off is evaporating, leaving dwindling rivers dangerously clogged with silt.
库存科罗拉多河水的格伦峡谷大坝自3月4日已开闸数天，以填充河道的泥沙高度。
Glen Canyon dam, which impounds the waters of the Colorado river, was opened for several days starting on March 4th in order to replenish the river's sediment levels.
根据GIS、数据库系统的原理，设计实现了河道与库区泥沙淤积系统的数据模型、功能模块和主体结构，成功地将基础数据库进行了入库操作。
Based on the principle of GIS and database system, data model, function modules and agent structure of sediment silting system of watercourse and reservoir zone is designed.
河道淤积大幅减少：每年进入黄河的泥沙量减少了1亿多吨。
Sedimentation of waterways was dramatically reduced: The flow of sediment from the Plateau into the Yellow River has been reduced by more than 100 million tons each year.
但是，多年以来，学者们对黄河的研究多集中于黄河的泥沙情况、河道变迁和水利变化等问题，而对黄河名称的由来论述甚少。
But for a long time past, the study on the river by scholars chiefly focused on the state of its silt, and the changes in its course and irrigation, with little discussion about its appellation.
三峡水库蓄水运用以后，由于库区泥沙淤积，清水下泄，下游河道必然受到影响。
After impoundment of Three Gorges reservoir, the sediment silting in the reservoir and clear water discharge significantly impact the downstream rive channel.
泥沙在天然河道中是普遍存在的。
泥沙沉积受制于水沙条件的变化和河道边界的约束。
The sedimentation is influenced by the variation of incoming water and sediment and controlled by river boundaries.
易北河顺流而下，每年带来大量泥沙，造成河道港区泥沙大量淤积。
Elbe river downstream will accumulate substantial silts every year, with the aftermath of the abundant sedimentation in the harbor area of river channel.
河流泥沙是流域内各种自然因素和人为因素综合作用的反应，与河道本身冲淤变化密切相关。
River sediment yield is the reaction of various natural factors and human action factor comprehensive role in basin, wash with sedimentation of river course to change, is related closely.
河道淤积会加重防洪困难，其泥沙还可能集中排入黄河；
River channel sedimentation may aggravate flood control difficulties, and the sediment may centrally eject into the Yellow River.
沙波运动是冲积河流泥沙运动的一种重要形式。沙波的消长对河道水流的阻力损失有很大的影响。
Sand wave movement is an important form of sediment movement for alluvial rivers and has a great effect on stream resistance.
河道主槽两侧修建的生产堤影响滩槽泥沙横向交换，对河床演变带来很大影响。
The productive embankments on the watercourse bottomland disturb the water-sediment lateral exchange between bottomland and main flume, which have great influence on the riverbed evolution.
把拜格诺的河道水流悬移质泥沙公式简化为简单概念的沟道产沙公式。
A conceptual formulation for gullies was obtained by simplifying the Bagnold's function of river sediment discharge.
泥沙正使河道淤塞。
确定了黄河下游河道处于泥沙存贮-释放临界状态的水沙临界条件。
Based on data from the Huanghe (Yellow) River, the sediment storing-releasing process in an alluvial channel has been studied.
大量的泥沙淤积在下游河道，河床逐渐淤高，是渭河下游水患威胁严重的根本原因。
A great quantity of sediment deposited on the lower river course and riverbed gradually raised and suspended is the essential reason of severe threatening of floods in the lower Weihe river.
小浪底水库的泥沙多年调节，充分利用下游河道的洪水输沙潜力输沙入海，是解决黄河下游泥沙问题和节省输沙用水的有效技术途径。
Sediment regulation in Xiaolangdi Reservoir is making full use of the flood potential in the lower fiver channel for sediment discharge into the lower Yellow River.
小浪底水库的泥沙多年调节，充分利用下游河道的洪水输沙潜力输沙入海，是解决黄河下游泥沙问题和节省输沙用水的有效技术途径。
Sediment regulation in Xiaolangdi Reservoir is making full use of the flood potential in the lower fiver channel for sediment discharge into the lower Yellow River.
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