荆紫关水文站是丹江口水库水源入口控制站,也是南水北调水源头各项指标的控制站。为适应新形势,提高水文测验精度,优化测洪方案,提高测报的时效性,更好地为南水北调和防汛决策提供及时准确的水文信息,现对该站水位级划分及测洪方案优选进行分析。 Jingziguan hydrological station is Danjiangkou reservoir water source control station entrance, but also the water diversion project of the South Water Index control station. In order to adapt to the new situation, improve hydrological test accuracy, optimize flood measurement scheme, improve the timeliness of forecasting, and provide timely and accurate hydrological information for the South-to-North Water Diversion and flood control decision-making, .