USGS: Science Topics: hydrology

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Hydrology

Branch of earth science that deals with water as it occurs in the atmosphere, on the surface of the ground, and underground.

Subtopics:
Hydrodynamics (3 items)

Hydrologic maps (28 items)

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Results 51 - 60 of 410 listed alphabetically [list by similarity]

Epic Flooding in Georgia, 2009 [More info]: In September of 2009, flooding in parts of Georgia reached levels expected every 500 years. Specific measurements we made and other facts about these disasters described here should help people prepare for floods here and elsewhere.
Estimated freshwater withdrawals in Oklahoma [More info]: Freshwater withdrawal estimates for Oklahoma by source and category. Withdrawal data from ground water and surface water for domestic, commercial and agricultural use.
Evaluating the variability of sediment and nutrient loading from riverine systems into Texas estuaries and bays [More info]: Some results from a study of the variability of sediment and nutrient loads in the lower reaches of the Trinity River during a variety of hydrologic conditions.
Evaluation of Structural Best Management Practices for Highway Runoff in Beaufort and Colleton Counties, South Carolina, 2005-2006 [More info]: Summarizes the ability of four devices to remove suspended sediment, metals, nutrients, and organics compounds in stormwater runoff.
Everglades Depth Estimation Network (EDEN) for support of biological and ecological assessments [More info]: Integrated network of real-time water-level monitoring, ground-elevation modeling, and water-surface modeling that provides scientists and managers with current on-line water-depth information for the entire freshwater portion of the Greater Everglades.
Extreme drought to extreme floods: summary of hydrologic conditions in Georgia, 2009 [More info]: Discusses the nature and extent of extreme hydrologic events, with supporting observations of the water conditions and their effects on human activities.
Field techniques for estimating water fluxes between surface water and ground water [More info]: A guide to measuring the flow of water across the ground water surface water interface, with an overview of available methods and details of specific methods to use.
Flagstaff Field Center [More info]: Homepage for the Flagstaff Field center with links to space science, water and ice studies, earth sciences, biological resources, Grand Canyon Monitoring and Research Center, outreach & education, data and software, and images.
Flood inundation map library, Fort Kent, Maine [More info]: Severe flooding occurred in northern Maine from April 28 to May 1, 2008, and damage was extensive in the town. Aroostook County was declared a Federal disaster area. Our flood inundation maps were out of date, so we have updated them; this explains how.
Flood of April and May 2008 in Northern Maine [More info]: Characteristics and effects of a flood in this area.

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