Data Basin
Geo/Data.gov
Geoconnections Discovery Portal
National Geophysical Data Center
NERC Earth Observation Data Centre
Network for Earthquake Engineering Simulations
Sanborn Atlases
ShareGeo
The National Hydrography Dataset
U.S. Geological Survey's Earth Resources Observations and Science Center
World Data Centre for Geology
World Data Centre for Geomagnetism
World Data Centre for Geophysics
World Data Centre for Seismology
World Data Centre for Solid Earth Physics
Earth Science, Environmental Data
• DataOneGoddard Earth Sciences Data and Information Services Center
• IRI/LDEO Climate Data Library - Climate-related datasets from the International Research Institute for Climate and Society at Columbia University
• Marine Geoscience Data System (MGDS) - A data portal, hosted at the Lamont-Doherty Earth Observatory (Columbia University), for a number of NSF-supported marine research programs
• NASA Warehouse Inventory Search Tool (WIST) - Locate earth science data from NASA and affiliated centers
• National Climatic Data Center (NCDC) - Meteorology and paleoclimatology
• NCAR/UCAR Community Data Portal - Climate and weather datasets and visualization software from the National Center for Atmospheric Research and the University Corporation for Atmospheric Research
• National Oceanographic Data Center (NODC)- World-wide marine environmental and ecosystem data
• National Center for Atmospheric Research Computational & Information Systems Library
• USGS National Satellite Land Remote Sensing Data Archive - Note that some data access is fee-based
• GEON - Portal for datasets and visualization tools
• National Snow and Ice Data Center (NSIDC) - Cryospheric datasets from ground field reseach and satellites
GIS and Geography
• Geodata.gov - One-stop for federal, state and local geographic data
• GeoCommons.com GIS file repository and finding tool
• Federal Geographic Data Committee - Provides access to the National Spatial Data Infrastructure (NSDI) Clearing House Network and the geodata.gov portal
• National Geographic Data Center - Archive of datasets
