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 11 - 20 of 410 listed by similarity [list alphabetically]

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.
Framework for a U.S. Geological Survey Hydrologic Climate-Response Program in Maine [More info]: Discussion of the scientific measurements needed to understand the effects of climate change on the seasonal water cycle, with emphasis on Maine.
Hydrologic conditions for Illinois: Drought perceptions, effects, and assessment [More info]: Map of stream conditions and links to precipitation data, drought statistics, and information on floods and droughts in Illinois.
Hydrologic conditions for North Dakota [More info]: Links by map location or station number to real-time stage and streamflow, real-time water quality, ground-water data, long-term hydrographs, and annual water-data reports to view and download for past and current water conditions in North Dakota.
Hydrologic conditions in Georgia, 2010 [More info]: Georgia has recently seen a lot of extreme weather events triggering widespread flooding. This summary of streamflow and discharge from selected locations shows graphically the conditions during 2010.
Hydrologic Instrumentation Facility [More info]: Provides hydrologic instruments, equipment, and supplies for USGS, other Federal agencies, and cooperators. Also tests, evaluates, repairs, calibrates, and develops hydrologic equipment and instruments.
Hydrologic research and development program [More info]: Program supporting investigations that are generally long-term and multi-disciplinary, and that integrate hydrological, geological, chemical, climatic, and biological information related to water resources issues.
Hydrologic studies in Long Valley caldera [More info]: Hydrologic monitoring data for Long Valley caldera, California, on springs, streams, wells, fumaroles, and precipitation to study the natural hydrologic variations and the response of the hydrologic system to volcanic and tectonic processes.
Hydrologic studies in Oregon [More info]: Links to water data studies for river and lake basins in Oregon including ground water and water quality studies.
Hydrologic studies in the Upper Klamath Basin, Oregon [More info]: Overview of Klamath ecological research and links to USGS Klamath studies on ground water, nutrients, sediment oxygen demand, and fish response to water quality, sucker ecology, publications, bibliographies, and data.

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