论文部分内容阅读
按1956～1995年40年同步水文系列进行的最新水资源评价数据，陕西关中地区多年平均降水总量371．6亿m3，年降水量670．9mm；多年平均天然河川径流量（地表水资源）为73．7亿m3，平均径流深133．1mm，是全省总径流量的17．3％，全区浅层地下水资源量53．4亿m3，地下水可开采资源
According to the latest water resources evaluation data from the 40-year synchronized hydrology series from 1956 to 1995, the average annual precipitation in Guanzhong region was 37.16 billion m3 and the annual precipitation was 670.9 mm. The mean annual natural runoff (surface water resources) Is 7.37 billion m3 and the average runoff depth is 133.1mm, which is 17.3% of the total runoff in the province. The total amount of shallow groundwater resources in the region is 5.34 billion m3. Groundwater recoverable resources