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东营市是一个淡水缺乏的城市,人均和耕地亩均占有当地水资源量不足全国均值的11.2％,全市90％以上的用水要依靠黄河补给。近些年来,黄河中上游实施了一系列规模较大的开发利用工程,致使该市来水更呈减少趋势,长期连续断流,给全市工农业生产、油田开发和人畜生活用水造成很大困难,特别是1992年和1997年百年一遇的特大夏旱,旱情更加严峻。因此,从当地实际情况出发,探索寻找解决黄河断流造成供需水危机的途径十分必要。1 气候特点和水资源状况 东营市属北温带半湿润季风气候区,具有明显的大陆性气候。降雨天数一般67～81天,多年平均降水量
Dongying City is a city lacking in fresh water. Per capita and cultivated land mu both account for 11.2% of the national average with less than the national water resources. Over 90% of the city’s water consumption depends on the Yellow River recharge. In recent years, a series of large-scale development and utilization projects have been implemented in the middle and upper reaches of the Yellow River, resulting in a downward trend in incoming water and continuous continuous flow-off in the city, posing great difficulties to the city’s industrial and agricultural production, oilfield development and water for domestic and animal use Especially the extremely severe summer drought once in a century in 1992 and 1997. The drought is even more severe. Therefore, starting from the actual situation in the region, it is necessary to explore ways to solve the crisis of water supply and demand caused by the Yellow River cutoff. 1 CLIMATE CHARACTERISTICS AND WATER RESOURCES Dongying is a north temperate semi-humid monsoon climate zone with a distinct continental climate. Rainy days are generally 67 ~ 81 days, the average annual rainfall