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Earth's Water: Ground-water topics

• What is ground water
• Aquifers
• Importance of ground water
• Ground water flowing from a road cut
• Ground-water seepage
• Ground-water quality
• Pesticides in ground water

• Ground-water use
• Trends in ground-water use
• Ground-water depletion
• Ground-water use and water-level decline

• Sinkholes
• Land subsidence
• Land subsidence (more)
• Water wells
• Artesian (flowing) well?
• Truck-mounted drill rig
• The messy job of drilling a well

• Water dowsing
• How hydrologists find ground water

• True/False quiz: Ground water

The water cycle

• The water cycle
• Ground-water storage
• Ground-water discharge
• Springs
• Follow this drop through the water cycle
• See how a 2nd grade Australian class views the water cycle

A USGS Fact Sheet about ground water

Earth's Water Water Science home page

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U.S. Department of the Interior | U.S. Geological Survey
URL: http://ga.water.usgs.gov/edu/mearthgw.html
Page Contact Information: Howard Perlman
Page Last Modified: Wednesday, 13-Aug-2008 07:20:46 EDT