Groundwater

Is the water which is found below the ground level. This water in most cases is derived from filtered water.

It is found in those geological formations which have porosity.

When the water reaches an impermeable layer is built up and forms underground reservoirs called aquifers.

When groundwater runs through limestone rocks, dissolves them and produces a kind of relief called karstic, forming caves with stalactites and stalagmites.

Formation of a cave
Source: www.classzone.com

The importance of groundwater

Groundwater is very important. Most people depend on it and get that fresh water from wells. It represents 25% of the continental water.

Consume of groundwater Source:bcs.whfreeman.com

Contamination of groundwater Source: novella.mhhe.com

Pollution Contamination of underground water is a serious problem for human health.

Coastal relief

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© Jorge Juan Lozano Cámara, profesor del IES Juan de la Cierva de Vélez-Málaga
Licenciado por la Universidad de Granada (España)  

Ana María Marcos Sánchez, profesora del IES Juan de la Cierva de Vélez-Málaga
Licenciada por la Universidad de Málaga (España)

Kerry Elyse Hart, Licenciada por la Universidad de Richmond (Virginia, USA)