引江济汉工程规划设计研究

引江济汉作为南水北调中线汉江中下游治理工程的重要组成部分，从长江上荆江河段附近引水至汉江兴隆河段。工程的主要任务是向汉江兴隆以下河段（含东荆河）补充因南水北调中线调水而减少的水量，恢复和改善该河段的生态、灌溉、供水和航运用水条件。简要介绍了引江济汉的工程规模、线路选择及其它规划设计关键技术问题的主要研究成果。

The plan and design of the Yangtze river to the Hanjiang river water diversion works

The Yangtze river to the Hanjiang river water diversion works is the i mportant part of harnessing works of middle and lower reach of the Hanjiang rive r for middle route project of S-N water transfer. The works diverts water from t he Upper-Jingjiang reach of the Yangtze river to the Xinglong reach of the Hanji ang river. The main objective of the works is to supply water to compensate wate r reduction of middle and lower reach of Hanjiang river(including east Dongjing river) by middle route project of S-N water transfer and restore and improve the water utilization condition of ecology, irrigation, water supply and navigation for middle and lower reach of the Hanjiang river. This paper briefly introduces the works scale, water diversion route selection and main achievements of other difficult issues in plan and design.