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三门峡库区潼关至三门峡大坝这一库段,既是自然河道,又是常年库容范围。根据水库汛期泄洪排沙,非汛期蓄水防凌、灌溉、发电这一运用方式,以及水位变化的范围,潼关至大禹渡这一段在汛期河道摆布较大,主流不稳,经常发生主流顶冲岸边造成塌岸。而大禹渡至大坝段,库水位变幅较大,汛期河流顶冲岸边塌岸,非汛期蓄水遇风浪冲击造成塌岸。文章根据三门峡水库潼关至大坝间库区情况、三门峡水库建成运用以来塌岸及损失、潼三段库区两岸塌岸治理现状、三门峡库区(潼三段)存在问题,提出了三门峡库区的治理原则和目标任务,并提出了具体的治理措施。
Sanmenxia reservoir area from Tongguan to Sanmenxia dam this section, both natural rivers, but also the perennial reservoir range. According to the flood discharge and sediment discharge during the flood season, non-flood season water-saving, irrigation and power generation, and the range of water level changes, the section from Tongguan to Dayudu in the flood season will be dominated by the mainstream of the mainstream Shore shore collapse. The Dayu crossing to the dam section, the larger the reservoir water level fluctuations, the flood during the flood season shore bank collapse, non-flood season water storm caused by the collapse of the shore. According to the situation of reservoir area between Tongguan and Dam in Sanmenxia Reservoir, the bank collapse and loss since the completion of Sanmenxia Reservoir, the status of bank collapse treatment in both banks of Tongsan Reservoir area, and the existing problems in Sanmenxia Reservoir Area (Tong 3 Section) The governance principles and objectives and tasks, and put forward specific governance measures.