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.
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。
Silting up river course, reservoir and channel.
淤塞河道、水库和渠系；
Consolidated sand, caused by the movement of sand wave and longitudinal dune, is a silting phenomenon takes place in backflow zone of Hanjiang Reservoir.
铁板沙是汉江库区变动回水区的一种泥沙淤积现象，是沙浪、沙垄运动的产物。
After impoundment of Three Gorges reservoir, the sediment silting in the reservoir and clear water discharge significantly impact the downstream rive channel.
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.
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。
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