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Ground water
All water that exists beneath the land surface, but more commonly applied to water in fully saturated soils and geologic formations.
Subtopics:
Ground-water level (10 items)
Related topics:
Results 131 - 140 of 155 listed by similarity [list alphabetically]
Water resources of the Caribbean [New Window]
USGS home page for the Caribbean, U.S. Virgin Islands, and Puerto Rico with links to projects, GIS data, publications, and real-time data for streamflow and rainfall of Puerto Rico, U.S. Virgin Islands, El Salvador, Guatemala, and Honduras.
Water resources of the United States [New Window]
Primary homepage for USGS programs in water resources with links to water data, publications and products, technical resources, major programs, and water information services.
Water resources real-time data for the Nation [New Window]
Access to national water resources real-time data typically recorded at 15-60 minute intervals, stored onsite, and then transmitted to USGS offices every 4 hours. Select for site information, ground water, surface water, and water quality.
Water science for schools: land subsidence [New Window]
Site for elementary school studies on land subsidence with links to land subsidence in California, wells, ground water quality, sinkholes, glossary, and a random link.
Water-related scientific programs in Micronesia and American Samoa [New Window]
Overview of water-related scientific programs in Micronesia (Northern Marianas, Guam, and Palau) and American Samoa. Links to programs on hydrologic data collection, ground water availability, and surface runoff.
PDF Water-resources activities of the U.S. Geological Survey in Ohio [New Window]
Report on recent USGS programs in Ohio related to water resources studies, with program highlights, flood and drought studies, ground water studies, microbiological water quality research, stream data, and recent publications.
Annual hydrologic data report of Pennsylvania [New Window]
Online annual reports (since 1999) documenting hydrologic data for Pennsylvania gathered from USGS surface water and ground water data-collection networks and information on ordering paper copies of previous years.
Arbuckle - Simpson GIS Layers (Oklahoma) [New Window]
Digital data sets describing the Arbuckle Simpson aquifer and surrounding areas in Carter, Coal, Johnston, Murray, and Ponotoc Counties in Oklahoma. The data are in shapefile format to create maps for many uses.
Borehole geophysics as applied to geohydrology [New Window]
Project summary, photos of logging truck, and bibliographies on log interpretation techniques and instrumentation to record geophysical data in wells and test holes for studying ground water hydraulics and evaluate waste disposal sites.
Detection and measurement of land subsidence using Global Positioning System surveying and interferometric synthetic aperture radar, Coachella Valley, California, 1996-2005 [New Window]
Detailed measurements of elevation help to understand the extent and severity of subsidence. Study asks if subsidence indicates the aquifer system is compacting temporarily or permanently, and are the changes human-induced or tectonic.
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