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Water properties
Measurable physical and chemical characteristics of water from different sources.
Subtopics:
Nutrient content (water) (11 items)
Oxygen content (water) (9 items)
Salinity (3 items)
Suspended material (water) (12 items)
Water hardness (2 items)
Water pH (4 items)
Water temperature (7 items)
Dissolved gases (1 items)
Related topics:
Results 21 - 30 of 39 listed by similarity [list alphabetically]
Water science for schools: the activity center - challenge questions [New Window]
Educational site for elementary school students with questions to challenge students plus links to opinion surveys, questionnaires, and water facts.
PDF A science strategy to support management decisions related to hypoxia in the northern Gulf Of Mexico and excess nutrients in the Mississippi River Basin [New Window]
The report describes a strategy for monitoring, modeling, and research activities to support management decisions to improve water-quality conditions in the Mississippi River Basin, reduce hypoxia in the northern Gulf of Mexico, and improve conditions for
Atchafalaya & Mississippi River Deltas study: a tale of two deltas [New Window]
Project of the Gulf of Mexico Integrated Science program that evaluates the transport and sedimentation of contaminates through the Mississippi River and Atchafalaya River delta to the near-shore Gulf of Mexico. Includes aerial photographs.
Hudson River salt front data [New Window]
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 [New Window]
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 [New Window]
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.
Johnson Creek basin hydrologic monitoring [New Window]
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 [New Window]
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.
Moored time series data [New Window]
Oceanographic time-series data obtained from moored instruments, generally provided in NetCDF format.
Ohio District's Microbiology Program [New Window]
Overview of microbiology projects related to water quality investigating bacteria, viral and protozoan pathogens and indicators in the environment with links to publications, analytical and field methods, laboratory, and current projects.
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