1. An underground layer of rock, sand, or gravel that naturally contains and transmits groundwater
The natural aquifer beneath the region supplies fresh water to thousands of residents.
O aquífero natural sob a região fornece água doce para milhares de residentes.
2. A geological formation that naturally stores and allows water to flow through its porous materials
Scientists study the natural aquifer to understand groundwater contamination patterns.
Os cientistas estudam o aquífero natural para entender os padrões de contaminação da água subterrânea.