试论地下水水源保护区划分的时间标准

Discussion on Division of Groundwater's Waterhead Protection Zone By Time Criteria

提出了地下水水源保护区划分时间标准的概念 ,讨论分析了确定划分 3个级别保护区所依据的时间标准 T1 、T2 。

This paper advances the conception of time criteria on division of groundwater's waterhead protection zone, and analyzes on the method of dividing the three zones by time criteria of T 1, T 2 and T 3.