The USGS Water Science School
Rainfall hits the land and starts to runoff downhill, usually into rivers (top left of photo). Rivers flow on until they empty into the oceans, often carrying lots of dirt with them, as this satellite picture shows.
Credit: NASA Visible Earth.
U.S. Department of the Interior |
U.S. Geological Survey
URL: http://water.usgs.gov/edu/gallery/watercyclekids/runoff-beg.html
Page Contact Information: water-science-school@usgs.gov
Page Last Modified: Monday, 28-Nov-2016 13:34:19 EST
