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2. Sahel - Wikipedia

   en.wikipedia.org/wiki/Sahel

   The Sahel region (/ s ə ˈ h ɛ l /; from Arabic ساحل (sāḥil) 'coast, shore'), or Sahelian acacia savanna, is a biogeographical region in Africa. It is the transition zone between the more humid Sudanian savannas to its south and the drier Sahara to the north.

3. Geographic data and information - Wikipedia

   en.wikipedia.org/wiki/Geographic_data_and...

   There are also many different types of geodata, including vector files, raster files, geographic databases, web files, and multi-temporal data. Spatial data or spatial information is broader class of data whose geometry is relevant but it is not necessarily georeferenced, such as in computer-aided design (CAD), see geometric modeling.

4. List of GIS data sources - Wikipedia

   en.wikipedia.org/wiki/List_of_GIS_data_sources

   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.

5. File:Community of Sahel-Saharan States-map.svg - Wikipedia

   en.wikipedia.org/wiki/File:Community_of_Sahel...

   Member countries of the Community of Sahel-Saharan States: Date: 4 June 2007 (original upload date) Source: Transferred from to Commons. Author: Hakeem.gadi at English Wikipedia: Permission (Reusing this file) CC-LAYOUT; CC-BY-SA-2.5,2.0,1.0; Released under the GNU Free Documentation License.

6. List of national mapping agencies - Wikipedia

   en.wikipedia.org/wiki/List_of_national_mapping...

   Latvian Geospatial Information Agency (LGIA) lgia.gov.lv: Karšu pārlūks: Lebanon: مديرية الشؤون الجفرافية Direction des affaires géographiques Directorate of Geographic Affairs: lebarmy.gov.lb: Lithuania: Nacionalinės žemės tarnybos (NŽT) National Land Service: nzt.lt: geoportal.lt: Luxembourg: Administration du ...

7. Web Coverage Service - Wikipedia

   en.wikipedia.org/wiki/Web_Coverage_Service

   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 ...