枯水位 （ku shui wei ） low water level
根据实测地形和水文泥沙资料，分析了葛洲坝枢纽运用后宜昌河段的河床冲淤变化、推移质和床沙的粗化以及枯水位的变化。
The river channel change, the bed load and bed material armoring, and the water level lowering after the operation of the Gezhouba project are analyzed based on the topographic and hydrologic data.
经过1998年长江大洪水的冲刷，枯水位以上护岸工程发生了不同程度的损坏。1999年国家安排专项资金对观音矶护岸工程进行整治。
The revetment of this section was destroyed in varying degrees by rush of floodwaters in 1998, and a special repair fund was appropriated by State in 1999.
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