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Australian
Center for Remote Sensing -- ACRES
ACRES is a business unit of the Australian
government's Surveying and Land Information Group (AUSLIG). The ACRES Home
page provides automated ordering for maps of Australia, Antarctica and
Pacific islands. Topographic, tourist, aerial and satellite image maps
are available at the URL: http://www.auslig.gov.au/acres/index.htm.
AUSLIG
Australia's National mapping Agency.
Intergovernmental
Committee on Surveying and Mapping -- ICSM
ICSM coordinates surveying and mapping
operations of state, territory and commonwealth mapping agencies in Australia
and New Zealand. The site is located at http://www.anzlic.org.au/icsm/index.html.
British
Columbia Archives and Records Service.
This site has a useful feature which
allows one to search by the name of the city or region or geographic entity
of interest. Images include British Admiralty charts, topographic, and
mineral reference maps of British Columbia. The site is located at http://www.bcarchives.gov.bc.ca/index.htm.
Canada
Center for Mapping
This site offers Canada's sophisticated
National Atlas Information Service (NAIS). Geographical data about
Canada can be retrieved from this site, including maps regarding land use,
demographics, geology and ecology. Users are able to create and download
their own custom maps of Canada by accessing http://www-nais.ccm.emr.ca.
National
Atlas Information Service
National Atlas Information Service
(NAIS) products include base maps, geographical names and thematic maps
that reflect the social, economic, environmental and cultural fabric the
country. Cartographic and geographical name services (a gazetteer) are
also provided via http://ellesmere.ccm.emr.ca.
Institute
for Photogrammetry, University of Stuttgart, Germany
This site, http://www.ifp.uni-stuttgart.de,
is linked to the Xerox PARC Map viewer. Also at this site are great links
to institutes worldwide that deal with photogrammetry, geography, geology,
remote sensing, cartography, and GIS.
Geological
Survey Institute of Japan -- GSIJ
The GSI home page at http://www.gsi-mc.go.jp
includes information on survey administration regarding survey law, geodetic
control points, preparation and maintenance of base maps, geographical
surveys and thematic mapping, map management, reproduction, and publication,
survey technologies, international cooperation in surveying and mapping.
Ordnance
Survey Digimap Project
The UK's Ordnance Survey has combined
with six university libraries in multi-year projects to produce a publicly
available digital map of the British Isles. Details on the package
are available at:
Tel: +44 131 651 1239United States
Email: digimap@ed.ac.uk
Army
Topographic Engineering Center - Survey Engineering and Mapping Center
This site, http://www.tec.army.mil/,
offers software and advanced modeling techniques for geospatial data collection
and processing.
Association
of Research Libraries
This site provides access to the Association
of Research Libraries' (ARL) Electronic Atlas. This atlas is being developed
to provide maps that depict data gathered from the 1990 census for major
metropolitan areas. It is located at http://arl.cni.org/.
Bureau
of Land Management Mapping and Metadata Sites
This site has links to USGS and GIS
remote sensing information. It also has a listing of the BLM's State Office
Public Rooms, which contain a wealth of information and provide maps concerning
BLM land use in the United States. The URL for the site is http://www.blm.gov/gis/.
Defense
Meteorological Satellite Program (DMSP) "Nighttime Lights of the World"
Data
Nighttime lights, fires, flares and
similar information collected worldwide in near-infared band. The
program uses the same grid as the USGS Global AVHRR project, and reveals
human settlements, energy use and related information. See http://www.ngdc.noaa.gov/dmsp/dmsp.html
Delaware,
University of
This site houses an Image Processing
System/GIS used to process satellite, geophysical, seismic and airborne
data at http://triton.cms.udel.edu/crs/crs.html
Human
Impacts Mapping From USGS-NASA
The EROS/Ames research group(http://geo.arc.nasa.gov/usgs/erosames.html)
provides a bridge between basic research and applications for earth science
and resource management. This site includes images and in-depth information
on current projects in: Temporal Urban Mapping, Human Induced Land Transformations,
Land Cover Data, Elevation Framework Data Base and Environmental Data Systems
Research. Demonstration projects have taken place in the San Francisco
Bay and Washington DC-Baltimore regions.
Library of
Congress Center for Geographic Information
This multi-million dollar project is
intended to provide online access to tens of thousands of maps. Only first
phases currently available, though LOC does provide many online services.
It is located at http://www.loc.gov.
Map
Maker
Map Maker is a free, relatively simple
Geographic Information System (GIS) designed to allow non-expert users
to create and manipulate maps. Map Maker is suited to monitoring eco-systems,
planning urban infrastructure, monitoring primary health care statistics,
and illustrating any number of geographically based research topics. Map
Maker offers free GIS software for Windows. The software, manual and demo
files can be downloaded from the address http://www.ibmpcug.co.uk/~MapMaker.
It is also available via anonymous FTP at
ftp.win-uk.net. Login to the site as "anonymous" and use your email
ID as your password. One you are on line, change directories by typing
CD, then /pub/users/MapMaker/mm.zip directory.
Multi-Scale
Maps
Available on-line at http://www.c3.lanl.gov/"cjhamil/Browse/main.html
are multi-scale maps of Washington, D.C.; digital elevation models of western
United States; and San Francisco Bay Area digital orthophoto imagery. Sample
high resolution images of 1 meter per pixel resolution are available. This
address also includes access to some National Center for Supercomputing
Applications software for scientific modeling, analysis and visualization.
NCSA's Digital Gallery contains approximately 250 megabytes of images and
animation sequences. Software and documentation can be downloaded by anonymous
FTP at ftp.ncsa.uiuc.edu.
Open GIS
Consortium, Inc.
Open GIS is defined as transparent
access to heterogeneous geodata and geoprocessing resources in a networkedenvironment.
The goal of the Open GIS Consortium is to provide a comprehensive suite
of open interface specifications that enable developers to write software
that provide these capabilities.
Perry-Castaneda
Library Map Collection at The University of Texas at Austin.
The Perry-Castaneda Library Map Collection
(PCL) holds more than 200,000 publicly accessible paper maps covering every
area of the world. Most items in the collection have bibliographic records
available in the UT Libraries On-line Catalog. This site includes on-line
maps of current interest such as maps of Bosnia, Sudan and the Gaza and
West Bank. Also on-line are general interest and historical maps from around
the world. This comprehensive collection is located http://www.lib.utexas.edu/Libs/PCL/Map_collection/Map_collection.html.
Public
Health GIS News and Information Newsletter
The US Center for Disease Control and
Prevention publishes this bi-monthly newsletter on all aspects of GIS use
in public health and epidemiological applications. It is available
at http://atsdr1.atsdr.cdc.gov:8080/hsph71-2.html#gis or by contacting
its editor at cmc2@cdc.gov or 1-301-436-7904
x146.
CDC's Agency for Toxic Substances and
Diseases Registry maintains and unusually complete home page on scores
of public health and and toxic research subjects; see http://atsdr1.atsdr.cdc.gov:8080/atsdrhome.html.
Texas
A&M GIS Department
Access to A&M faculty and GIS,
GPS and cartography resources online at http://www.sci.tamucc.edu/gis.
Tiger
Mapping Service
Tiger is Census’ incredible coast to
coast digital map data base of demographic, economic, and related census
information for the Unites States. Its URL is http://tiger.census.gov.
The ‘97 Tiger/Line data may also be obtained at the site.
U.S.
Geological Survey Map collection
The National Mapping Program of the
USGS site at http://www.usgs.gov/network/science/earth/index.html, provides
authoritative cartographic data for the United States. The USGS EROS Data
Center in Sioux Falls, SD offers on-line browsing and automated ordering
for about 350,000 maps concerning almost any aspect of geographic and earth
science studies in the United States, as well as for aerial photography
and satellite imagery of the United States. The EROS Data Center has on-line
1:100,000 and 1:2,000,000 Digital Line Graph, land use/land cover, and
1:250,000 Digital Elevation Models of the U.S.A.
ESRI's
GIS Jump Station
ESRI's GIS Jump Station is composed
of hundreds of useful links to other GIS-related sites around the world.
ESRI creates the well know series of ARC/INFO, ARC/VIEW and related GIS
software.
GIS
User's Guide to Internet Tools
Through the use of case studies, this
guide introduces novice internet users to the main methods of retrieving
GIS resources available free on the Internet. The site is located at http://jupiter.qub.ac.uk/GIS/GIS.htm.
GIS
and Mapping FAQ
To obtain information send an e-mail
message to: mail-server@rftm.mit.edu In the body of the message include
the following information : send usenet/news.answers/geology-faq/geosci-resources/part2.
This site is a useful source for information about mapping, GIS techniques,
and mapping software. The site lists several addresses for mapping software
that can be downloaded by anonymous FTP.
GSIJ
Core Datasets and Programs
This Japanese GSI project provides
relatively detailed summaries of important mapping, topographic and Digital
Elevation Model (DEM) datasets worldwide. The directory appears strongest
on United Nations and United States data. See http://www1.gsi-mc.go.jp/
iscgm-sec/sbs/core-products.html.
International
GPS Service for Geodynamics
This site is useful for researchers
who use the global positioning system (GPS) for studies in geodynamics.
IGS archives and distributes GPS observation data and GPS satellite tracking
station clock information. The project maintains a network of about 50
globally distributed permanent tracking stations. It also has Data Centers,
Analysis Centers and a Central Bureau for information distribution. The
bureau maintains Hot Links with allied organizations in Europe, Canada
and the US. The URL for the site is http://IGSCB.JPL.NASA.GOV.
Public
Domain Cartographic Projection Software FAQ
This FTP site is located at FTP: charon.er.usgs.gov.
Login to the site as "anonymous" and use your email ID as your password.
Once you are on line, change directories by typing CD, then: /pub/PD.projections.FAQ.
The FAQ includes pointers to sites providing free mapping and GIS software.
Xerox
PARC Map Viewer
This site includes the Xerox PARC Map
Viewer, which is an HTTP server that accepts requests for world or USA
maps, then returns an HTML document including an image of the requested
map. Each map image is created on demand from a geographic database. Map
areas can be selected through a clickable map of the world located at http://mapweb.parc.xerox.com/map.
Xerox also provides an FTP site that
users describe as a gold mine for maps, datasets, and for all kinds of
public domain geospatial data at ftp://
spectrum.xerox.com. Login to the site as "anonymous" and use your email
ID as your password. One you are on line, change directories by typing
CD, then change to /pub/map directory.
Harvard Design
Mapping
This site, http://www.hdm.com, is a
relatively comprehensive listing of worldwide GIS net sites including links
to many university home pages. HDM provides support for advanced technologies
such as pen-based field computers, remote sensing, and the Global Positioning
System (GPS).
Digital
Elevation Catalog
Bruce Gittings' DEC remains the most
complete single source of digital topographic elevation and related information
on the web. The catalog is located at http://www.geo.ed.uk/home/ded.html,
or can be obtained by sending email to: geoinfo@geo.ed.ac.uk
with the command message SEND DEM. The catalog is greater than 200
kb in size.
NIMA
Digital Chart of the World
This is also known as the Vector Smart
Map (Vmap) Level 0. The digital map provides 1:1,000,000 scale vector
information worldwide with thematic layers for road and rail networks,
river systems, utilities (electric and gas pipelines), international boundaries,
etc. Elevation data is at 1000 foot intervals with some 500 and 250
supplements. Available on four CD-ROMs that traditionally have retailed
for about $200 USD from USGS Open FIle Section, Box 25286, Denver, CO
80255.
NIMA
Digital Terrain Elevation Data Level 1 (DTED1)
Digital topographic data compiled at
approximately 100 meter post spacing (2 arc seconds). DTED Level
1 is described as "basic medium resolution elevation data for all (U.S.)
military activities and systems" that require land form data. DTED1
data outside the United States is classified; 2 arc second data is nevertheless
widely available for the U.S. and most industrialized nations from a variety
of legitimate sources. DTED Level 1 is restricted to U.S. Department
of Defense and military contractors; but appeals for civilian access can
be made to:
NIA HQ Releases Officer
Attn: ACT, MSA-13
NIMA
8613 Lee Highway
Fairfax, Virginia, 22031
USA
For background information see: http://www.mima.mil/publications/guides/dtf/dted1.html.
NIMA
Digital Terrain Elevation Data Specifications (DTED0, DTED1, DTED2)
DTEDs are the military cousins of civilian
Digital Elevation Models (DEMs). The data specifications can be found
at: http://164.214.2.59/publications/
specs/printed/DTED/DTED_1-2.html.
Source code and software for reading DTEDs in a GIS can be found at http://164.214.2.59/geospatial/sw_tools/nimamuse.
NOAA
Global Land One-km Base Elevation (GLOBE) Project
NOAA's gridded 1 km activity DEMs are
noteworthy for their quality control and uniformity of data presentation.
Located at http://www.ngdc.noaa.gov/seg/topo or send a blank email message
to emglobe@ngdc.noaa.govto receive
electronic news releases. The GLOBE site includes links to many U.S.
and international DEM sources.
USGS
Digital Elevation Model Data Formats (DEMs)
DEMs are the civilian cousins of NIMAs
higher accuracy DTEDs. DEM data information can be found at http://mapping.usgs.gov/www/html/2nmpgds.html.
USGS
Global 30 Arc-second Elevation Data (GTOPO30)
This USGS/United Nations joint effort
provides 1-km elevation data, slope and watershed raster data worldwide.
The data resolution is comparable to 1-km AVHRR satellite imagery.
A related project provides land cover data at 1-km resolution; see http://edcwww.cr.usgs.gov/
landDAAc/glcc/glcc_na.html.
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