Satellite Imagery
- Global Land Survey (GLS) – 1975, 1990, 2000, 2005 and 2010
This ArcGIS Online Web map is compiled from GLS image services created by Esri. Access descriptions for the image services through the “Content” tab. In the image layers “Context” menu, click “Show Item Details.” The GLS data sets were created by NASA and USGS using Landsat imagery. For more information about GLS data sets, visit the Landsat Missions website.
- Earthshots: Satellite Images of Environmental Changes
Created by USGS (U.S. Geological Survey), Earthshots provides examples on how satellite imagery can be used to track changes on the surface of the Earth.
Population
- Gridded Population Density of the World (GPW), UN-Adjusted, version 4, by CIESIN (Center for International Earth Science Information Network) at Columbia University
This ArcGIS Online Web map is compiled from image services created by NASA SEDAC (Socioeconomic Data and Application Center) at Columbia University. For more information about the data, including methodology used to create the data, how to cite the data and maps, visit the NASA SEDAC website.
Oil and Gas Infrastructure
- CIA Middle East Oil and Gas Field map, 2007, as hosted tile layer in ArcGIS Online
- CIA Middle East Oil and Gas Field map, 2007, as downloadable file in ArcGIS Online
Water Resources
- AQUASTAT from Food and Agriculture Organization (FAO) of the United Nations.
AQUASTAT is FAO’s global water information system. Mappable data including dams, hydrological basins, irrigation areas, etc. The ENTS GIS Lab can help you download and process data from this site.