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Streams
Linear bodies of water flowing on the Earth's surface. [USGS Feature Class Definitions <http://geonames.usgs.gov/domestic/feature_class.htm>]
Alexandria Digital Library Feature Type Thesaurus
Subtopics:
Rivers (47 items)
Springs (hydrographic) (2 items)
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Results 51 - 60 of 96 listed by similarity [list alphabetically]
PDF Geochemistry of the Arbuckle-Simpson Aquifer [More info]
Describes the geographic extent, quality, origin, and dynamic character of this aquifer located in south central Oklahoma.
Geomorphology and sediment transport -- river mechanics [More info]
Current river mechanics research on particle friction angles of fluvial gravels (data files compressed in BenHex, Winzip and Unix) and Grand Canyon Beach evolution (animation requiring Java 1.0) plus digital elevation files (*.hgx and *.zip files).
PDF Historical changes in annual peak flows in Maine and implications for flood-frequency analyses [More info]
Annual peak flows have increased at most rivers in Maine during the last century. What effect does this have on computed peak flows, such as the 100-year flows, that are used for designing bridges and other structures?
PDF Hydrologic conditions in Georgia, 2010 [More info]
Georgia has recently seen a lot of extreme weather events triggering widespread flooding. This summary of streamflow and discharge from selected locations shows graphically the conditions during 2010.
Indiana hydroacoustics [More info]
Use of hydroacoustics by the USGS in Indiana to make streamflow measurements using Acoustic Doppler Current Profilers (ADCPs) and other hydroacoustic current meters.
Invasive crayfish in the Pacific Northwest [More info]
These organisms have negative effects on local ecosystems, but we don't yet know how extensively they have spread. Here is a key to help people identify them.
Long Term Resource Monitoring Program (Upper Mississippi River area): sampling data [More info]
Downloadable data and other information about the sampling programs used in long-term monitoring of the upper Mississippi River area.
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.
Maine river ice monitoring system [More info]
The USGS in Augusta, Maine monitors river and ice conditions in areas of ice accumulation on the Kennebec River near Augusta providing real-time river stage data and real-time pictures of ice conditions at this location.
Mercury contamination of aquatic ecosystems [More info]
Fact sheet on mercury bioaccumulation and cycling in the environment. Also available in PDF format.
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