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Datasets
Digital information in a format suitable for direct input to software that can analyze its meaning in the scientific, engineering, or business context for which the data were collected.
Subtopics:
Geospatial datasets (112 items)
Hydrographic datasets (106 items)
Time series datasets (6 items)

Streamflow data (81 items)
Water-quality data (83 items)


Results 141 - 150 of 270 listed by similarity [list alphabetically]
National analysis of trace elements in ground water, streams, stream and reservoir sediment, and fish and clam tissue across the United States [More info]
Trace elements are inorganic chemicals occurring in small amounts in nature. This web site of the National Water Quality Assessment links to U.S. data, publications, news, and other sites on trace metals, metalloids and radionuclides in water.
National Assessment of Coastal Change Hazards [More info]
The National Assessment of Coastal Change Hazards is a multi-year undertaking to identify and quantify the vulnerability of U.S. shorelines to coastal change hazards such as the effects of severe storms, sea-level rise, and shoreline erosion and retreat.
National assessment of coastal vulnerability to sea-level rise: preliminary results of the U.S. Atlantic coast [More info]
Brief report on map showing the relative vulnerability of the Atlantic coast to changes due to future rise in sea level. Includes links to similar maps in Open-file report 2000-178 on the Pacific Coast and 2000-179 on the Gulf of Mexico Coast.
National Assessment of Shoreline Change Project [More info]
The Coastal and Marine Geology Program of the U.S. Geological Survey (USGS) is conducting an analysis of historical shoreline changes along open-ocean sandy shores of the conterminous United States and parts of Alaska and Hawaii.
National Atlas Map Maker - Map layers [More info]
Links to hundreds of map layers of geospatial information listed by subjects for use with the National Atlas Map Maker to assemble, view, and print customized maps using one or more of the layers.
National Earthquake Information Center [More info]
Information on world earthquake activity with links to facts and lists on large earthquakes, earthquake e-mail notification, hazards and preparedness, educational links, news and highlights and other seismic information.
National Geomagnetism Program [More info]
Overview of USGS programs related to geomagnetism including observatories, data, program services, links to models, charts, and movies, program contacts, Intermagnet, Geomag, publications, and bibliographies.
National Mapping Program standards [More info]
Links to standards prepared under the National Mapping Program to produce and maintain top quality mapping and geospatial data products. Documents may be viewed and downloaded in PDF and HTML formats with links to related information.
National water conditions [More info]
Historical maps and animations of maps for monthly and annual streamflow conditions by water year showing generalized contour patterns of streamflow conditions. Maps are for the United States, Canada, and Puerto Rico.
National Water Quality Laboratory [More info]
The National Water Quality Laboratory (NWQL) is a full-service laboratory that specializes in environmental analytical chemistry and has a primary role to develop new analytical methods. Links to directory, publications, and standards.
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