GIS data warehouse
Some of the GIS data may be listed under hydrology or remote sensing categories due to their spatial nature

Array Systems Remote Sensing Image Processing and Archiving Systems
Alaska Geospatial Data Clearinghouse Alaska's 15 national park data and much more...... in ArcInfo 7.0 format.
Alaska Digital Orthoimagery Initiative reference map available
Australia Survey and Land Information Group(AUSLIG)  
Archeological Citation Counts by County  (National Archeological Database)
Archeological Site Counts  (State Historic Preservation Officers)
Archeological Site Densities  (State Historic Preservation Officers)
A North American Paleoindian Database: Fluted Point Densities
Aerial Photographs Online - U.S. Coastal Areas (Maptech)
Aeronautical Charts Online (Maptech)
Atlas of Surface Marine Data 1994 served by NOAA/PMEL
Atlantic Ocean - Animated Satellite Image (Weather Channel)

British Columbia: Provincial Digital Biogeoclimatic Subzone/Variant Mapping
Baltic Sea Drainage Basin GIS, Map and Statistical Database by UNEP.  Europe's most comprehensive transboundary and multi-thematic GIS database. GIS data provided in pcARC/INFO and IDRISI formats. Thematic focus upon land cover and population. Links to related information.
Baltic Sea Region GIS, Maps and Statistical Database by UNEP

Color Landform Atlas of the United States (Ray Sterner)
Color landform Atlas of the Unites States
Canada Weather Maps (Environment Canada)
Canadian Meteorological Centre
Climate Data (National Climatic Data Center)
Country and Regional Map Sites by The Perry-Castañeda Library Map Collection, The University of Texas at Austin
Color landform Atlas of the Unites States
Canadian Geospatial Data Infrastructure  Search engine for CDAL Data Sets
Canada Center for Remote Sensing (CCRS) Earth Observation Catalogue  LANDSAT 4, 5 MSS & TM, NOAA 8-15 AVHRR, SPOT 1,2,3,4 PLA/MLA, GEOCOMP AVHRR Composites, GEOCOMP AVHRR Scenes, LANDSAT 1, 2, 3 MSS, LANDSAT 7, SEASAT SAR, ERS 1, 2 SAR, RADARSAT SAR data   by  
Country maps great place to find maps of almost every country in the world
Country Map Data
COMPUSEARCH Micromarketing Data & Systems
Center for Geographic Information and Analysis   Spatial data and information about the state GIS in North Carolina.
China Dimensions Data Collection  Highlights include digital administrative boundaries; fundamental GIS layers; county-level data on population, agriculture, economics and hospitals; and interactive access to the 1982 census of population
Climatic Data of SC provided by University of South Carolina

Data Library   Edinburgh University spatial meta-data research, UKBORDERS digital data and ESRC Research Publications Database
Data Resources Consortium for International Earth Science Information Network (CIESIN)
Database on Forest Disturbances in Europe (DFDE) This database aims at providing historic information about disturbances in the forests of Europe. User can search the database by country, year or period and disturbance type group (abiotic, biotic, anthropogenic). Provided by the European Forest Institute, together with Alterra (Wageningen, The Netherlands).

Directory of Natural Heritage Programs and Conservation Data Centers  Canadian,  United States, Central American and Caribbean and South Natural Heritage American Programs

Environmental Data Center   Rhode Island GIS data, and GPS Base Station data.
Environment Australia Online Database  (Air, Biodiversity, Data Directories, Geographic, Heritage, Industry, Marine and Water Parks and Reserves)
EUROGI  European Umbrella Organisation for Geographic Information 
El Niño/La Niña Home Page (ENSO)
Europe - Latest Infrared Satellite Weather Image (U.K. Meteorological Office)
Europe Weather (theyr Internet Weather) Excellent weather maps for Europe. Will display in the language of your choice
Europe Weather (U.S. Air Force) Excellent weather maps for Europe. Will display in the language of your choice

FLORIDA ENVIRONMENTAL DATABASES FLORIDA BIOTIC INFORMATION CONSORTIUM
Free Blank Outline Maps of the Countries and Continents of the World
Finland National Land Survey Geographic Information Centre 
Forestry data UNEP World Conservation Monitoring Centre

GIS Data Depot The largest FREE geo-spatial data repository on the web!
Geo Strategies S.A
Geography and Planning Department  South-West Texas State University
GIS data for Rhode Island
Geological Survey Bureau   Information on geological and water resources in Iowa, including their Natural Resources GIS (with >400 documented databases) and publications.
GLIS  Global Land Information System 
GRID Geneva (Global Resource Information Database)It provides GIS service and distributes free geo-referenced environmental data sets. 
GIS data for Connecticut USAMAGIC, the Map and Geographic Information Center at the University of Connecticut, is the geodata library for the State of Connecticut.
Geological and Geophysical Databases, Information and GIS Map Server  Cornell University
GEORGIA SPATIAL DATA INFRASTRUCTURE  All counties DLG-F Roads and Highways data are now available for download from the Clearinghouse Data Library, as well as DNR´s rare species database. Check the status of the 1999 Color-Infrared DOQQs(View the Official 2000 Railroads Map in MrSID format. Several interesting GIS activities are scheduled this fall.  See the Calendar of Events for details).
Georeferenced Population Data Sets of Mexico
Global Population Database (GPOPDB)
Gridded Population of the World
Geological Survey of Israel Catalog of maps (December 1999)
Geographic Coordinate Data Base (GCDB)
Geostatistical Datasets from Geostatistics and Petroleum Geology by M.E. Hohn
GeoGratis is a web and file transfer protocol (ftp) site that distributes geospatial data of Canada. Data is available for FREE download
Geostatistical Datasets from Geostatistics and Petroleum Geology by M.E. Hohn
GeoGratis is a web and file transfer protocol (ftp) site that distributes geospatial data of Canada. Data is available for download, without charge.
Geospatial Data in Canada Free This page promotes the idea of free distribution of Canadian governmental geographic data.

Historical Map WebSites  by The Perry-Castañeda Library Map Collection from the university of Texas at Austin
HAPEX Sahel Information System   (Great collection of GIS and remote sensing database) 
Hypsography (contours)data of SC  provided by University of South Carolina
Hazards data collection (includes meteorological hazards, volcanic/water, seismic hazards, and technological hazards)   maintained by U.S.C. Dept. of Geography Hazards Lab

INFOTECH  GIS Data for India
Illinois Natural Resources Geospatial Data Clearinghouse data include: geology, water resources, nature preserves, wildlife areas, land use, political boundaries, roads, census information, Public Land Survey, Digital Raster Graphics files, and 1998/99 Digital Orthophoto Quarter Quadrangles.
Illinois Agricultural Statistics Service
Iowa Geographic Image Map Server  On-line source for geographically-referenced imager
International Weather Satellite Imagery Center (L. David Baron)
Intellicast


IRIS  knowledge-based data mapping system in WWW
ISLSCP: Initiative I 1 deg x 1 month global data set (87-88) The International Satellite Land Surface Climatology Project (ISLSCP) Initiative I data collection
Infrastructure data of (SC) (includes telephone lines, pump stations, pipelines, power stations, powerlines) provided by University of South Carolina
Iowa Geographic Image Map Server  On-line source for geographically-referenced imager

Japan GIS/Mapping Sciences Resource Guide
Jefferson County, Colorado GIS data

KINDS - an interface to UK National Datasets Spatial Data Distribution

MEDALUS II Mediterranean Desertification Project
MENRIS  Mountain Environment And Natural Resources' Information Service
Maps and Graphics (view items in the database by thematical category Geographic category: Acidification, Agriculture and Fisheries, Atmosphere and Climate change, Base maps, Biodiversity, Demography, Economy, Energy, Freshwater. Hot spots/Trends, Human Health. Infrastructure, Land Degradation, Marine and coastal areas, Pollution, Protected areas/Forests, Socio-economic, Topographic maps, Urban areas, for Africa, Arctic, Asia, Europe, Global, North America, Norway, South America)
Massachusetts Electronic Atlas
Maps and Graphics (view items in the database by thematical category Geographic category: Acidification, Agriculture and Fisheries, Atmosphere and Climate change, Base maps, Biodiversity, Demography, Economy, Energy, Freshwater. Hot spots/Trends, Human Health. Infrastructure, Land Degradation, Marine and coastal areas, Pollution, Protected areas/Forests, Socio-economic, Topographic maps, Urban areas, for Africa, Arctic, Asia, Europe, Global, North America, Norway, South America)
Massachusetts Electronic Atlas
Maps of the West Bank and Gaza by The Perry-Castañeda Library Map Collection, The University of Texas at Austin
Meteosat Images  (Nottingham Univ.) 

NMC: GCIP/GEWEX Eta model forecasts at the Nat. Meteor. Ctr.
National Geoscience Databases The Australian geoscientific databases (Petroleum. Geophysics, Hazards, Marine Geoscience, Mineral Deposits, Regional Geology and Geochemistry, Environmental Geoscience, Stratigraphy)
National Archives and Records Administration
National geographic map search engine
National Geospatial Data Clearinghouse Meta-Data Catalogue for the vast USGS Spatial Data holdings (digital mapping and images).
National Atlas sectionals  (boundaries, airports, cities &towns, counties, federal lands, parkways, scenic rivers, railroads, states, volcanoes, transportation, hydrography, Scale/Resolution: 1:2 million, Coverage: complete, Cost: free download from the USGS, Format: ArcView Shapefile)
National Land Survey of Finland  National Land Survey (NLS) is responsible for Finland’s cadastral system and general mapping assignments. It also promotes the shared use of geographic information.
National Mapping and Resource Information Authority (NAMRIA), Philippines
NRHP Property Densities  (National Register of Historic Places)
NRHP Historic Archeological Site Densities  (National Register of Historic Places)
NOAA Weather Page World coverage

Oregon Geospatial Data Clearinghouse
Online maps  Australian geoscience datasets

Pennsylvania Spatial Data Access
Paleoindian Citation Densities by County (National Archeological Database)

Reading Weather Maps   World coverage

Statistics Canada
State of Kansas GIS Data Access and Support Center
South Carolina Dept of Natural Resources GIS Data Clearinghouse
SNIG: National System for Geographic Information
State of the Environment Georgia (Country)
Sites with Environmental GIS Data From Europe
SALSA: Semi-Arid Land-Surface-Atmosphere Program  The Semi-Arid Land-Surface-Atmosphere ("SALSA") Program is a multi-agency, multi-national global-change research effort that seeks to evaluate the consequences of natural and human-induced changes in semi-arid environments. Current SALSA research is focused on the upper San Pedro River basin in southeastern Arizona, USA, and northeastern Sonora, Mexico.
San Francisco Bay Area Digital Geo-Resource (BADGER) is part of NASA's effort to promote public use of earth science data. Data includes Landsat, DRG, DLG and DOQ imagery, with more coming on-line all the time. 
Savannah River Site (SRS) Geographical Information System (GIS) Clearinghouse
Search Population Index 1986-1999
Storm 2000 (Cox Media) World coverage

The Geospatial Data Clearinghouse is a collection of over 100 spatial data servers, that have digital geographic data primarily for use in Geographic Information Systems (GIS), image processing systems, and other modeling software. These data collections can be searched through a single interface based on their descriptions, or "metadata." 
The North Carolina Geological Survey (NCGS) Home of all kind of map the state of North Carolina
The Florida Gap Analysis Project (GAP) Data on  Land cover Mapping,  Wildlife Distributions and Modeling  Florida Conservation Lands and  Aerial Color Infrared Digital Photography
The Geography Network provides access to a rich collection of digital maps from many of the world's leading map publishers
Transportation data of SC (includes major roads, railroads, interstates, highways, airports, traffic analysis zones etc) provided by University of South Carolina
Texas Wetland Information Network (WetNet)
Texas Coastal Natural Resources Inventory Program
Texas's Oil Spill GIS Data  (Arc/Info export (*.E00) file format)
The Edinburgh University Data Library holds a number of datasets, which are available to staff and students at Edinburgh University for research or teaching purposes
The Edinburgh University Data Library holds a number of datasets, which are available to staff and students at Edinburgh University for research or teaching purposes
Temperatures Around the U.S. - Current Map (Plymouth State College)

UNEP/GRID  Sioux Falls Global Population Data Sets
USGS EROS Data Center Major Data Archive for world data, satellite imagery. Includes information on intelligence satellite photographs (1960 - 1972) recently (1995) declassified by the U.S. government.
USGS Quad Maps by topozone.com
Utah State University   Department of Geography and Earth Resources.Includes a Digital Atlas for Utah
US Geodata
U.S. Demographic Data
UNEP-WCMC's data holdings on forests their diversity and conservation status worldwide come from a variety of national and international sources.
USGS Quad Maps by topozone.com
U.S. National Weather Service - Current U.S. Weather Warnings

Vermont Geographic Information System

WCRP  World Climate Research Program
West Virginia GIS Tech Center Data Depot  Here you will find the gateway to all the spatial information available in West Virginia! From georeferenced data to political information to cultural points of interest, we have lots information you can  use 
World Map Data
Woolleysoft
WorldSat International  satellite underlay for GIS. Complete cloud free images of the entire earth available as prints for display or in digital format for a GIS layer.
Wyoming Natural Resources Data Clearinghouse
Wyoming Bioinformation Node Promote awareness of existing biological datasets
Weather Channel Home Page - Select a State or Select a Country
Weather Channel - Maps
Weather Maps (UM Weather)
World Weather Satellite Images (Yahoo)

ZIP Code Database
Zoning polygons and Parcel Centroids data of SC (Richland County) provided by University of South Carolina

 

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