USGS - science for a changing world

Science Topics

Maps, Imagery, and Publications Hazards Newsroom Education Jobs Partnerships Library About USGS Podcasts/RSS
You are here: Topics
Help
Water properties
Measurable physical and chemical characteristics of water from different sources.
Subtopics:
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)
Dissolved gases (4 items)
Dissolved metals (9 items)
Dissolved organic compounds (9 items)
Related topics:
Results 61 - 70 of 84 listed by similarity [list alphabetically]
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.
PDF Nitrate concentrations and potential sources in the Barton Springs segment of the Edwards aquifer and its contributing zone, Central Texas [More info]
The area contributing recharge to this aquifer is undergoing rapid growth, generating more wastewater. We found that nitrate, a major component of wastewater and a nutrient that can degrade water quality, has increased in the creeks in this area.
Oceanographic time series data [More info]
Oceanographic time-series data obtained from moored instruments, generally provided in NetCDF format.
Ohio District's Microbiology Program [More info]
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.
Recent changes in the food web of Lake Erie - the role of phosphorus and zebra mussels [More info]
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.
PDF Redox Conditions in Selected Principal Aquifers of the United States [More info]
Summarizes measurements of ground-water chemistry that affect the vulnerability of aquifers to contamination. Data are from aquifers throughout the conterminous US and Alaska.
PDF Response of Florida shelf ecosystems to climate change: from macro to micro scales [More info]
Study of the effects of ocean acidification on regional carbonate processes, changes in individual estuaries, and organism-level response.
PDF Response of lake chemistry to atmospheric deposition and climate in selected Class I wilderness areas in the western United States, 1993-2009 [More info]
Sulfate deposition to high-elevation areas has decreased here as a result of reductions in SO2 emissions. Nitrate deposition did not change, whereas ammonium deposition increased, particularly at sites near urban and agricultural areas.
Result pages:Previous 1 2 3 4 5 6 7 8 9 NextAll
Alphabetical Index of Topics a b c d e f g h i j k l m n o p q r s t u v w x y z

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.usgs.gov/science//science/science.php?term=1304&b=60&n=10
Page Contact Information: Ask USGS