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Water properties
Measurable physical and chemical characteristics of water from different sources.
Subtopics:
Dissolved gases (4 items)
Dissolved metals (9 items)
Dissolved organic compounds (9 items)
Nutrient content (water) (27 items)
Oxygen content (water) (13 items)
Salinity (13 items)
Suspended material (water) (17 items)
Water hardness (3 items)
Water pH (11 items)
Water temperature (9 items)
Related topics:


Results 51 - 60 of 84 listed by similarity [list alphabetically]
Dissolved solids in basin-fill aquifers and streams in the southwestern United States [More info]
PDF Early results from the Northern Gulf of Mexico Ecosystem Change and Hazard Susceptibility Project [More info]
A coordinated set of studies shows development of coastal features, aspects of marine water quality, and impacts of hurricanes along this section of important coastline.
PDF 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.
PDF Evaluation of fecal contamination by human and ruminant sources in upper Fountain Creek, Colorado, 2007-2008, by using multiple lines of evidence: [More info]
Microbial source tracking analysis of water sampled supports the argument that birds are the primary source of fecal contamination during the warm season.
PDF Examination of brine contamination risk to aquatic resources from petroleum development in the Williston Basin [More info]
Wetlands and oil wells shouldn't mix, but in some areas they do. This explains what problems may arise and how we study the effects of highly salty water produced by oil wells when it leaks into nearby wetlands and streams.
Hudson River salt front data [More info]
Tide stage, specific conductance, water temperature, and freshwater inflow at selected Hudson River (New York) gages updated every 4-hours to measure the effects of freshwater withdrawals and upstream movement of the salt front.
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.
Hypoxia in the Gulf of Mexico and related USGS activities [More info]
Information about the causes and impact of hypoxia with links to USGS and other Federal agency information and activities related to nutrients in the Mississippi River Basin and hypoxia in the Gulf of Mexico.
PDF Integrated geologic, geochemical, and geophysical studies of Big Bend National Park, Texas [More info]
Coordinated studies of the effect of historical mining for mercury, origin and composition of metals in groundwaters and surface waters, history of volcanic and intrusive activity, and the complex geological history of this area.
Johnson Creek basin hydrologic monitoring [More info]
Hydrologic data and analyses of surface-water, water quality, and ground water in the Johnson Creek basin in Oregon.
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