The following list outlines frequently-requested worldwide geospatial data held at the Leddy Library and available online.
CD-ROMs in the Leddy Library
- Global GIS database - Digital Atlas of Central and South America: contains a digital atlas of the countries of Central and South America. This atlas is part of a global database compiled from USGS and other data sources at a nominal scale of 1:1 million. Includes free GIS software, or may also be used with ESRI's ArcView software. Customized ArcView tools, specifically designed to make the atlas easier to use, are also included.
- Global Historical Climatology Network (GHCN): contains surface station observations of monthly temperature, precipitation, and sea level pressure data from over 30,000 stations located across the world. The data is sorted by region, country, station, parameter, year, and month.
Geospatial Data Portals - International
- Center for International Earth Science Information Network (CIESIN) (Columbia University): interactive access and mapping tools to worldwide natural and social science data
- CloudMade: OpenStreetMap data arranged by countries and territories
- datacatalogs.org: a comprehensive list of open data catalogs around the world
- DIVA GIS: free GIS program and spatial data for studying the distribution of biodiversity
- GeoData Portal (United Nations Environment Programme): global statistics and geospatial data sets covering freshwater, population, forests, emissions, climate, disasters, health and GDP.
- ESRI Data: a full spectrum of free and ready-to-use geospatial data from ESRI
- Geospatial Data Sites (ESRI Education Community): a list of geospatial data arranged by US, US States and international
- GIS Data Depot (GeoCommunity): clearinghouse of USA datasets by state, as well as global data
- Natural Earth: free vector and raster map data at 1:10 million, 1:50 million, and 1:110 million scales
Online Access to Other International Datasets
Many other international datasets are available from various online recourses. Select one of the links below to access some popular geospatial data at the country and the world levels.