安徽省淮北市是一个水资源相对短缺的地区,降雨量偏少,水资源时空分布不均。近10年间,旱灾频繁发生,出现旱灾的年份就多达年,有的年份8春、夏、秋三季连旱。旱情最严重的1997年受旱面积达240万亩,2000年达200万亩。10年来,因旱灾造成的粮食减产达亿多公斤,直接经济损失近710多 Huaibei City, Anhui Province is a relatively short area of ​​water resources, with less rainfall and unequal spatial and temporal distribution of water resources. In the recent 10 years, droughts have been frequent and the years of drought have reached as many as several years. In some years, the spring, summer and autumn have been drought-stricken. The drought-stricken area in 1997 was 2.4 million mu in 1997 and 200 million mu in 2000. In the past 10 years, the grain output caused by the drought hit more than 100 million kilograms, with a direct economic loss of nearly 710