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This is a list of GIS data sources (including some geoportals) that provide information sets that can be used in geographic information systems (GIS) and spatial databases for purposes of geospatial analysis and cartographic mapping. This list categorizes the sources of interest.
Federal Service for State Registration, Cadastre and Cartography (Rosreestr) rosreestr.ru Archived 2014-01-16 at the Wayback Machine: Rosreestr Interactive Map: Saudi Arabia: General Commission for Survey (Saudi Arabia) gcs.gov.sa Archived 2016-06-22 at the Wayback Machine: Singapore: Singapore Land Authority: sla.gov.sg: Onemap v2: Sri Lanka ...
On July 23, 2009, the Energy and Mineral Resources Subcommittee of the House Natural Resources Committee held an oversight hearing on federal geospatial data management. Rep. John Sarbanes of Maryland quoted a U.S. General Accounting Office (GAO) report from his briefing material saying that only 4 of the FGDC member agencies were in compliance ...
GIS data acquisition includes several methods for gathering spatial data into a GIS database, which can be grouped into three categories: primary data capture, the direct measurement phenomena in the field (e.g., remote sensing, the global positioning system); secondary data capture, the extraction of information from existing sources that are ...
The Open Geospatial Consortium (OGC) Web Coverage Service (WCS) Interface Standard defines a web-based interface for the retrieval of coverages—that is, digital geospatial information representing space/time-varying phenomena. By providing direct access to underlying geospatial data rather than just static map images, WCS enables more ...
Currently, the best source for nationwide LiDAR availability from public sources is the United States Interagency Elevation Inventory (USIEI). [1] The USIEI is a collaborative effort of NOAA and the U.S. Geological Survey, with contributions from the Federal Emergency Management Agency, the Natural Resources Conservation Service, the US Army Corps of Engineers, and the National Park Service.
The Borough Act of 1961 created The Unorganized Borough including all of Alaska not within a Unified, Home rule, First class or Second class borough. A legal entity in Alaska, covering those parts of Alaska not within an incorporated borough; it is directly administered by the State of Alaska. [12] 0.24 75,362: 319,852 sq mi (828,413 km 2 ...
The Remote Sensing Applications Center (RSAC) is a facility of the United States Forest Service (USFS). It receives weather and fire-monitoring data remotely-sensed by satellites , and converts it into maps and reports for the USFS.