GIS Data Sources

New York Data Sources

NYS GIS Clearinghouse

Operated by the New York State Office of Cyber Security & Critical Infrastructure Coordination
Data sets include digital orthoimagery (primary source), vector GIS data from public and private sources, digital raster quadrangles

http://www.nysgis.state.ny.us

Cornell University Geospatial Information Repository

Online repository in the National Spatial Data Clearinghouse program
Data sets include vector GIS data from public sources, digital raster quadrangles

http://cugir.mannlib.cornell.edu

Peconic Estuary Program GIS Clearinghouse

GIS data for the Peconic watershed is available by request. http://www.peconicestuary.org/GIS.html

Connecticut Data Sources

Connecticut Department of Energy and Environmental Protection

Data sets include digital orthoimagery, USGS topos, vector GIS data from public and private sources, geology, hydrology, soils, and more. http://www.ct.gov/dep/cwp/view.asp?a=2701&q=323444&depNAV_GID=1636

MAGIC – Map and Geographic Information Center

Operated by the University of Connecticut Library
Data sets include raster and vector data sets, including historical maps
Additional demographic data from http://ctdata.lib.uconn.edu/

http://magic.lib.uconn.edu/

CLEAR – Center for Land Use Education and Research

Operated by the University of Connecticut, College of Agriculture and Natural Resources
Data sets include land cover in image and shapefile formats for several years

http://clear.uconn.edu

Regional GIS Users Groups

GISMO: http://www.geo.hunter.cuny.edu/gismo

Long Island GIS Users Group: http://www.ligis.org

NYS GIS Association: http://nysgis.org/default.aspx

Northeast Arc Users Group: http://www.northeastarc.org

Connecticut GIS User to User Network: http://ctgis.uconn.edu

Geospatial Information Systems (GIS) Council: http://www.ct.gov/gis/site/default.asp

Federal Data Sources

Geospatial One-Stop

This portal contains thousands of metadata records (information about the data) and links to live maps, features, and catalog services, downloadable data sets, images, clearinghouses, map files, and more. http://www.Geodata.gov

NOAA Nautical Charts

Coastal chart data in raster and vector format. http://nauticalcharts.noaa.gov/Staff/gisintro.htm

NOAA Land Cover Analysis

http://www.csc.noaa.gov/digitalcoast/data/ccapregional/

This website provides land cover mapping data, tools, and assistance to the coastal management community. The NOAA Coastal Services Center works with resource managers and mapping professionals to promote the use of land cover mapping to address coastal management issues.

NOAA Land Cover Change Data

http://www.csc.noaa.gov/crs/lca/northeast.html

The NOAA Coastal Services Center created land cover and change data for the Northeast region according to Coastal Change Analysis Program (C-CAP) standards. Land cover and land cover change data were produced for 1996-2001. These data were produced using 30-meter resolution Landsat Thematic Mapper and Landsat Enhanced Thematic Mapper satellite imagery.

US Census Bureau

http://www.census.gov