Selected GIS Data Sources
Not finding it here? Want to suggest a link? Contact the GIS Librarian.
New York State
Other States
Great Lakes Region
U.S. Federal Government
International – General
International - Canada and Mexico
Commercial
Compilations
Web Mapping Applications
Aerial/Remotely Sensed Imagery
See also Olin Map Library's indexes of United States and International maps and GIS data sources.
New York State
- Cornell University Geospatial Information Repository (CUGIR)
- NYS GIS Clearinghouse
- NYS GIS Clearinghouse Orthoimagery
- DEC Mapping Gateway
- NYS Data Center, Empire State Development
- NYS Museum GIS Data
- NY City Department of Planning BYTES of the Big Apple
Other States
- Massachusetts Geographic Information System (MASS GIS)
- New Hampshire's Statewide GIS Clearinghouse (NH GRANIT)
- New Jersey Geographic Information Network (NJGIN)
- Pennsylvania Spatial Data Access (PASDA)
- University of Connecticut Map And Geographic Information Center (MAGIC)
- Vermont Center for Geographic Information (VCGI)
See also the list of state GIS data centers, and Olin Library's index of United States maps and GIS data sources.
Great Lakes Region
U.S. Federal Government
- Distributed Active Archive Centers (DAACs):
-
- DAAC Alliance
- Alaska Satellite Facility - Synthetic Aperture Radar (SAR), Sea Ice, Polar Processes, Geophysics
- Goddard Earth Sciences Data and Information Services Center - Upper Atmosphere, Atmospheric Dynamics, Global Precipitation, Global Biosphere, Ocean Biology, Ocean Dynamics, Solar Irradiance
- Global Hydrology and Resource Center (GHRC) - Hydrologic Cycle, Severe Weather Interactions, Lightning, Convection
- Atmospheric Sciences Data Center -Radiation Budget, Clouds, Aerosols, Tropospheric Chemistry
- Land Processes DAAC - Land Processes
- National Snow and Ice Data Center - Snow and Ice, Cryosphere and Climate
- Oak Ridge National Laboratory DAAC - Biogeochemical Dynamics, Ecological Data, Environmental Processes
- Physical Oceanography DAAC - Oceanic Processes, Air-Sea Interactions
- Socioeconomic Data and Applications Center - Population, Sustainability, Geospatial Data, Multilateral Environmental Agreements
- FEMA Maps
- FGDC National Geospatial Data Clearinghouse
- Geospatial One-Stop: geodata.gov
- National Atlas
National Biological Information Infrastructure Metadata Clearinghouse - National Geophysical Data Center
- National Park Service Geographic Information Systems Data and Information
- NOAA National Climatic Data Center (NCDC) Geodata Portal
- U.S. Census Bureau Maps and Cartographic Resources
United States Department of Agriculture (USDA):
- Forest Service Geodata Clearinghouse
- Geospatial Data Gateway
- NRCS: Geospatial Datasets
- NRCS: Soil Data Mart
- NRCS: Soil Survey Geographic (SSURGO) Database
United States Environmental Protection Agency (EPA):
- Geospatial Data Clearinghouse
- Multi-Resolution Land Characteristics Consortium
- STORET water quality, biological and pysical data repository
United States Fish and Wildlife Service (USFWS):
United States Geological Survey (USGS):
- EROS Data Center
- GAP Program Maps, Data, and Reports
- National Hydrography Dataset
- USGS Land Cover Institute
International - General
Olin Library has an excellent Index of International Maps & Data Sources.
- African Conservation Foundation: Data Sources
- CIESIN Center for International Earth Science Information Network
- ESRI world base map data
- FAO GeoNetwork
- GIS Data Depot: Country Index
- GISuser.com: Global Data Sources
- Global Ecosystems Database (NOAA NGDC)
- Global Forest Watch Data Warehouse
- Global Land Cover Facility
- UNEP.Net GEO Data Portal
- United Nations Second Administrative Level Boundaries (SALB) dataset
- University of Arkansas Libraries: International GIS Data
- WORLDCLIM: Global Climate Data
International - Canada and Mexico
- GeoGRAFX World (Mexico)
- GéoBase: Canadian Geospatial Data
- GeoGratis: Natural Resources Canada Geospatial Data
Commercial
Compilations
- Olin Library Map and Geospatial Information Collection
- Starting the Hunt: Guide to Mostly On-line and Mostly Free U.S. Geospatial and Attribute Data
Web Mapping Applications
Local / New York State:
- City of Ithaca mapping and demographics
- New York State Department of Environmental Conservation Interactive Online Maps
- New York State GIS Clearinghouse Orthoimagery Application
- Tompkins County Natural Resources Inventory
National and International:
- The National Map, via geodata.gov (click on "The National Map" to launch)
- The Geography Network Explorer (click on "Explorer" to launch)
Aerial/Remotely Sensed Imagery
- Historical Aerial Photographs of New York : Cayuga, Cortland, Tompkins, and Wayne Counties, back to 1936
- New York State GIS clearinghouse -orthoimagery of New York State
- USDA Aerial Photography Field Office
- County Farm Service Agency or Natural Resources Conservation Service offices (click your county for contact info).
- EarthExplorer - browse for satellite images, aerial photographs, and cartographic products from USGS
- National Aerial Photography Program (NAPP) via EarthExplorer, using Photo Finder.
- GLOVIS, USGS Global Visualization Viewer
- USGS business partners, including Terraserver.
- The Global Land Cover Facility (GLCF) -variety of satellite imagery and derived products available for free download
- 1990/2000 Landsat MrSID imagery
