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Geographic information systems (GIS)
Computer software that allows geospatially referenced data to be linked to geographic features. Use this term only for information that is about GIS and not for the use of GIS in applications and projects.
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Results 1 - 21 of 23 listed alphabetically [list by similarity]
PDF A New Method for Mapping Population Distribution [More info]
With the addition of elevation and land use and land cover data, we can show population density on a map much more effectively than if we simply color census areas. The resulting maps should allow better planning, especially in highly developed areas.
A program for the conversion of The National Map data from proprietary format to resource description framework (RDF) [More info]
To expand data functionality and capabilities for users of The National Map of the U.S. Geological Survey, data sets for six watersheds and three urban areas were converted from the Best Practices vector data model formats to Semantic Web data formats.
PDF Assessing effects of energy development in Colorado and New Mexico [More info]
Outlines information needed to enable effective local decision making regarding the installation, siting, and effects of energy resource facilities.
Decision support systems [More info]
Explanation of decision support systems, ongoing studies, and Biological Resources DSS activities.
PDF Evolution of 3-D geologic framework modeling and its application to groundwater flow studies [More info]
Methods to depict the connectedness of rock units across fault and fracture zones, allowing us to determine the distribution of geologic units, structural features, and other controlling factors, such as porosity and permeability.
Geographic Information Systems (GIS) in Missouri [More info]
Website with links to USGS hydrologic, geohydrologic, soil, and geologic projects in Missouri using geographic information systems (GIS) technology with digital datasets of images, models, and maps produced by the projects to view.
Geographic information systems [More info]
Comprehensive information providing an introduction to GIS technology, data gathering, modeling, information retrieval, and applications with colored maps, graphs, diagrams, and photos.
Global Geographic Information Systems (GIS) [More info]
Access to downloadable GIS databases including the Global Digital Elevation Model (DEM), remotely sensed products, data on world energy and mineral deposits, biodiversity, and geologic hazards for use with ArcView or free software.
International Program at the Earth Resources Observation Systems (EROS) Data Center - environmental monitoring and information systems [More info]
Overview of the environmental monitoring component of the international program at the EROS Data Center using Geographic Information Systems (GIS) technology, with links to data, partners, publications, and workshops.
Mineral resources online spatial data [More info]
Website for geospatial data on mineral resources of the U.S. or the world that users can locate by geographic area, view, and download.
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 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 Geospatial Program [More info]
Provides leadership for USGS geospatial coordination, production and service activities.
PDF National hydrography dataset--linear referencing [More info]
Explains how the NHD specifies point locations within streams by using a code to indicate the reach (including the hydrologic unit) and a measure, which indicates how far the point is from the downstream end of the reach.
Planetary GIS web server - PIGWAD (Planetary Interactive G.I.S.-on-the-Web Analyzable Database) [More info]
Planetary Interactive G.I.S.-on-the-Web Analyzable Database (PIGWALD), an interface to support and integrate Geographic Information Systems (GIS) graphical, statistical, and spatial relational tools for analyses of planetary datasets.
Quadrangle indexes [More info]
GIS data files containing approximate boundaries of the various USGS quadrangles, with names and indexing codes associated with each quadrangle.
Research and management techniques for wildlife habitats: Geographic information systems [More info]
Chapter on geographic information systems from a Wildlife Society publication with detailed information on geographic information systems, data structure, image processing, data analysis, application to waterfowl management, and data sources.
Resource materials for a GIS spatial analysis course [More info]
This report consists of materials prepared for a GIS spatial analysis course intended for instructors preparing spatial-modeling training and scientists with advanced GIS expertise. Downloads available in many formats (PDF, ArcView, Word, etc.)
Rocky Mountain Geographic Science Center [More info]
A wide variety of web interfaces providing scientific information in geographic form for exploration and analysis, developed by this organization that focuses on geospatial analysis.
Seamless geographic data distribution system [More info]
Online map system providing downloadable geospatial data, primarily NSDI framework themes (that is, general geographic data such as transportation, boundaries, hydrography, orthoimagery, land cover, and elevation).
PDF Sound data management as a foundation for natural resources management and science [More info]
Arguments in favor of using formal database technology, expecially geodatabases, to manage scientific information, with examples from Texas.
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