Water distribution on Earth: Difference between revisions

Revision as of 12:22, 3 January 2013

Revision as of 04:32, 11 January 2013

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The total volume of water in rivers is estimated at 2,120&nbsp;km³ (510 cubic miles), or 2% of the surface fresh water on Earth.<ref name="USGS" /> Rivers and basins are often compared not according to their static volume, but to their flow of water, or [[surface runoff]]. The distribution of river runoff across the Earth's surface is very uneven.

{| class="wikitable sortable"

! Continent or region !! River runoff (km³/year) !!Percent of world total so and so

its very weary

|-

|[[North America]] || align="right"|7,800 || align="right"|17.9