黄河下游断流初步分析及缓解对策

进入９０年代以来，黄河下游河道连续发生断流，且有初始时间提前、时段延长、河段向上延伸的趋势。黄河断流给下游及沿黄地区带来不利影响，对黄河下游防洪和生态环境也造成威胁。要避免和缓解断流发生，必须大力开展节约用水，实现国务院批准的分水方案以法管水；在枯水年、枯水季节对水资源实行统一调度；积极兴建干流调蓄工程，提高黄河水资源利用的整体效益。

Primary analysis and alleviating countermeasures for water flow drying up in the lower reaches of Yellow River

Since 1990, water flow drying up in the lower reaches of Yellow River successively took place, which seems to have a trend that the beginning time in a year moving up to an earlier date, the lasting period lenthening and the river reach touched upon moving toword upstream. The water flow drying up in Yellow River has brought some bad effects on the lower reaches of Yellow River and the areas along the river, and also has threaten the aspects of flood control and biological environment. To avoid and alleviate the water flow drying up, it is necessary to lunch a water saving movement in the whole river basin and to exercise the distributing water scheme approved by the State Council and to realize the administration of water by law, In the years and seasons of low flow, the water resources of Yellow River have to be centralized distribution; Some water diversion and storage projects on the trunk streams have to be built positively, so as to increase the benefits of using the water resources of Yellow River as a whole.