Groundwater bodies of free and lower confined plains — PdG 2021

Groundwater bodies of free and lower confined plains that coincide with the aquifer complexes and groups A3, A4, B and C according to the regional hydrostratigraphic scheme, identified, delimited and characterised in accordance with the Water Framework Directive (WFD) 2000/60/EC transposed by Legislative Decree 30/2009 — Update 2021本数据集涵盖符合区域水文地层方案（regional hydrostratigraphic scheme）中含水层复合体（aquifer complexes）及A3、A4、B、C组划分标准的自由平原与下层承压平原地下水体；上述水体已依据由第30/2009号立法令（Legislative Decree 30/2009）转化实施的《水框架指令（Water Framework Directive, WFD）2000/60/EC》完成识别、划定与特征表征，为2021年更新版本。