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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 31 - 39 of 39 listed by similarity [list alphabetically]
Recent changes in the food web of Lake Erie - the role of phosphorus and zebra mussels [New Window]
Brief overview of the proliferation of zebra mussels and the role of phosphorus in Lake Erie with links to publications related to Lake Erie water quality.
Reston Chlorofluorocarbon Laboratory [New Window]
Site on the Chlorofluorocarbon Laboratory and its analytical services for CFCs, sulfur hexafluoride, dissolved gases including nitrogen, argon, methane, carbon dioxide, oxygen, and helium, and tritium/helium-3 dating.
South Florida Ecosystem History Project [New Window]
Project is designed to integrate studies from a number of researchers compiling data from terrestrial, marine, and freshwater ecosystems within south Florida. Links to publications, maps, posters, and data of studies.
Suspended-sediment database: daily values of suspended sediment and ancillary data [New Window]
Enables searching by state, hydrologic region, basin, time period, and length of record to retrieve suspended sediment data for the United States.
The Gulf of Mexico Hypoxic Zone [New Window]
Information and links to USGS and other Federal agency monitoring and research concerning the hypoxic zone in the northern Gulf of Mexico occurring along the Louisiana-Texas coast.
The U.S. Geological Survey and the Chesapeake Bay - the role of science in environmental restoration [New Window]
Summary of a circular on USGS environmental research and Chesapeake Bay with links to full document. Includes discussion of the problems of the estuary, restoration efforts, water quality, and effects on ecosystem.
PDF Toxicity and bioavailability of metals in the Missouri River adjacent to a lead refinery [New Window]
Report (PDF format) on an evaluation of the potential environmental impacts of contaminated ground water from a metals refinery adjacent to the Missouri River in Omaha, Nebraska testing water and sediments for contaminants and toxicity.
USGS / Department of Energy cooperative studies in Nevada [New Window]
Describes cooperation of the USGS office in Las Vegas, Nevada, with the Department of Energy to address environmental and scientific issues at the Nevada Test Site and vicinity with links to project information.
Upper Mississippi River basin: sediments, contaminants, and nutrients [New Window]
Downloadable data and map images depicting sedimentation changes and contaminants in sediments in the upper Mississippi River.
Result pages:Previous 1 2 3 4


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