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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 31 - 40 of 84 listed alphabetically [list by similarity]
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 [More info]
A brief definition and explanation of hypoxia with special reference to the Gulf of Mexico hypoxic zone along the Louisiana-Texas coast as well as extensive links to USGS and other related information resources.
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.
Lower Columbia River dissolved gas monitoring network [More info]
Links to real-time data for total dissolved gas, temperature, and barometric pressure in lower Columbia River in Oregon and Washington and to project reports.
PDF Methods for estimating concentrations and loads of selected constituents in tributaries to Lake Houston near Houston, Texas [More info]
Water from this reservoir will be used more extensively by the city, so we are developing methods of assessing the water quality in real time by measuring characteristics of stream flow that correlate with important water quality data.
Moderate-resolution sea surface temperature data for the nearshore North Pacific [More info]
Downloadable monthly average SST data along the north Pacific coast in 4km grid cells for 29 years as shapefile, CSV, GIS grids, and Microsoft Access databases.
National Water-Quality Assessment (NAWQA) Program [More info]
Primary homepage for the National Water Quality Assessment (NAWQA) Program studying water quality in river, aquifer and coastal water basins throughout the nation. Links to reports, data, models, maps and national synthesis studies.
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