The hydrological cycle in Namibia indicates that of the rainfall received, 83% is evaporated, 14% is lost through transpiration, 2% is run off in the rivers and 1% seeps underground; which may later be extracted through boreholes for consumption. Namibia sources of water are: border rivers, dams on ephemeral rivers, ground water, fountains, seawater desalination and recycled water.
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NAMIBIA`S EPHEMERAL RIVERS
The Ugab, Omaruru, Swakop, Khan, Kuiseb, Fish, Nossob and Hoanib rivers flow into the Atlantic Ocean.
Tsauchab River flows into Sossusvlei while Ekuma and Oshigambo rivers flow into the endorheic basin of Etosha Pan.