山西是一个缺水的省份,缺水已制约了山西省经济的发展。山西省的水资源具有以下特点:水资源总量不足,人均、亩均占有水量偏低;水资源地区分布不均匀,开发利用条件较差;降水量规律与作物生长需求不相适应;径流量年内、年际变化较明显,进一步开发利 Shanxi is a water-scarce province, and water shortage has restricted the economic development in Shanxi Province. The water resources in Shanxi Province have the following characteristics: the total amount of water resources is not enough, the average amount of water per capita and mu is low; the water resources are unevenly distributed and the conditions for exploitation and utilization are poor; the precipitation laws are not compatible with the crop growth needs; During the year, the interannual changes were more obvious and were further exploited