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Computational methods
Mathematical techniques used to analyze numerical data.
Subtopics:
Image analysis (7 items)
Mathematical modeling (36 items)
Spatial analysis (19 items)
Statistical analysis (11 items)
Topological analysis (1 items)
Visualization methods (6 items)
Results 11 - 20 of 75 listed by similarity [list alphabetically]
Coastal ocean modeling at the USGS Woods Hole Field Center [New Window]
Fly-by and circulation movies, effluent concentration, tidal flushing, sea level, and temperature in Massachusetts Bay and Boston Harbor
Columbia Environmental Research Center [New Window]
Website for the Columbia Environmental Research Center with links to staff, publications, databases, field stations, and projects including those on the Rio Grande, burrowing owls, sea turtles, and geospatial technology.
Columbia River USGS Interdisciplinary Science Explorer WebSite [New Window]
Web site for an Internet Map Service (IMS) serving base cartographic data, USGS data, science applications and real time modelling analyses for the Columbia River basin using geospatial analysis technology.
Community model for coastal sediment transport [New Window]
Description of the National Community Sediment-Transport Model (NCSTM), an open source numerical model for sediment transport in coastal regions.
Costly landslide events in the United States: map layer description file [New Window]
GIS data set from the USGS National Landslides Hazards Program showing major landslide events in the United States and Puerto Rico with metadata. Map layer can be downloaded in shapefile format or SDTS format.
Data visualization tools used in studies of the upper Mississippi River and nearby areas [New Window]
Interactive maps and databases showing geospatial, biologic, and ecological aspects of the upper Mississippi River. Includes water quality, fish species, and vegetation distribution as well as geographic reference information.
Datum shifts and digital map coordinate displays [New Window]
Online GIS training course for users in GIS environments in resolving the differences in distances and coordinate readouts due to shifts in the 1927 and 1983 North American Datums when using Universal Transverse Mercator (UTM) grids.
Development of a global slope dataset for estimation of landslide occurrence resulting from earthquakes [New Window]
Technical description of methods used to generate global slope data from SRTM topography data
PDF Discontinuous nature of kriging digital terrain models [New Window]
Research exploring the mathematical properties of kriging, a widely-used surface interpolation method. The continuity properties of kriging digital terrain models over a wide range of terrain types helps hydrologists assess the usefulness of kriging for D
Earthquake hazards software for download [New Window]
Numerous downloadable software packages for carrying out analyses, modeling, and ancillary calculations in earthquake research and monitoring.
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