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1 地下水资源概况1.1 第一轮地下水资源评价完成于1981年,利用资料系列为1956～1979年。评价分平原、岗区、山区三个地质地貌单元,其中平原区采用多年平均水均衡法,计算了多年平均水位埋深4m 条件下的天然补给资源、
1 Overview of Groundwater Resources 1.1 The first round of groundwater resources assessment completed in 1981, the use of data series for the 1956 ~ 1979 years. Evaluation of plain, post district, mountain three geomorphological units, including the use of multi-year average water balance in the plain area, calculated the average annual water depth of 4m under the conditions of natural recharge resources,