miércoles, 26 de febrero de 2014

Continental Waters

Rivers

We can group the rivers of Spain into three different watersheds.



Each river has a drainage basin
  • Includes the main river and tributaries


The Cantabrian watershed
Rivers are short with a regular flow
. They flow down steep terrain.
  • Nalón
  • Nervión
  • Bidasoa

The Atlantic Watershed

Rivers are long. Carry a lot of water but have irregular flow
  • Miño
  • Duero
  • Tagus
  • Guadiana
  • Guadalquivir
The Mediterranean Watershed
Rivers are short (exept for the Ebro). Don´t carry much water and have irregular flow
  • LLogrebat
  • Ebro
  • Mijares
  • Turia
  • Júcar
  • Segura


The Balearic and Canary Islands don´t have any permanent rivers
  • short streams and torrents
  • only carry water after heavy rains
Lakes

Lakes in Spain tend to be small and not very deep. The most important is the Lake Sanabria.


We can also find lagoons
  • Smaller and shallower than lakes
  • Often dry out in the summer
Wetlands

Lands covered by shallow waters. Marshes of the Guadalquivir.




 Marshes of the Guadalquivir
 The Ebro delta

Aquifers

Water found under the ground.
  • Northern and southern sub-plateaus
  • Canary and Balearic Islands

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