The CGA provides access to a variety of Geospatial Data linked below.  Additional data resources posted from 2006 to 2018 can be browsed on our legacy website here.

  • CGA Geotweet Archive 
    The CGA maintains a global big data archive of geo-located tweets containing billions of records dating from 2010 to the present.
  • CGA's Twitter Senttiment Geographic Index (TSGI)
    CGA’s has developed Twitter Sentiment Geographical Index (TSGI) dataset: A global high-frequency dataset for monitoring Subjective Well-Being 
  • Imagery
    Satellite captured remote sensing and other imagery resources.
  • ESRI Data
    ESRI Business Analyst data, Demographic and Lifestyle Data, Esri Data and Maps for ArcGIS, and more.
  • Harvard Data Resources
    Data housed in the Harvard Geospatial Library, Harvard Map Collection, Graduate School of Design, and various CGA platforms.
  • Public Data Resources
    The CGA maintains a growing list of public data sources, most of them free.
See also: Data