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潼关高程[潼关(六)断面1000m3/s流量相应水位]关系着渭河下游防洪和三门峡水库综合效益的发挥.由于影响潼关高程的因素非常复杂,因此必须采取多种措施综合治理来改善或降低潼关高程.通过对1993年和2001年东垆湾道两次自然裁弯的效果进行分析,认为东垆湾裁弯之后,可以增大局部比降,对裁湾上段河道的冲刷有明显作用,对潼关高程产生有利影响.2002年10月份东垆湾再次发生自然裁弯,根据三门峡水库蓄清排浑运用以来,历年水库溯源冲刷的实测资料分析,若维持目前裁弯后的流路,经过一个汛期水库降低水位运用,在较为有利的水沙条件下,裁弯使潼关高程大约可降低0 12m左右.
Tongguan elevation [Tongguan (VI) section 1000m3 / s corresponding water level] is related to flood control in the lower reaches of Weihe River and the comprehensive benefits of Sanmenxia Reservoir.Due to the complex factors affecting the elevation of Tongguan, comprehensive measures must be taken to improve or reduce Tongguan By analyzing the effect of two natural tailings cuts of Dongju Bay in 1993 and 2001, it is considered that after Dongkwan Bay cuts the tailings, it is possible to increase the local ratio drop and make a significant contribution to the erosion of the upper reaches of the Peninsula Bay. Tongguan elevation had a beneficial effect in October 2002 Dongjian Bay recurrence of natural recurrence, according to the Sanmenxia Reservoir storage and discharge since the use of sediment, reservoir traceability over the years of the original measured data analysis, if the current cut to maintain the flow path after a During the flood season, the reservoirs will reduce the water level, and under the more favorable water and sediment conditions, the cutoff will reduce the elevation of Tongguan by about 0-12m.