ESQUEMA: GROUNDWATER

1. GROUNDWATER
It’s water under the ground absorbed from rainfall.
Filtration: when it rains, water filters through the soil and goes
underground.
Aquifers: water collected in underground basins (lakes)
A well: it’s a hole that extracts water from aquifers.
Spring: water that comes to the surface and turns into rivers.
Watershed: body of water that a river finally flows into.
Duero, Tagus, Guadiana and Guadalquivir flows into the Atlantic
Ocean.
Ebro flows into the Mediterranean Sea.