Science Keywords>HUMAN DIMENSIONS
Africa Data Sampler (ADS): Digital Data Sets for Africa Available from the World Resources Institute (WRI)
Entry ID: ADS_WRI

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Summary
Abstract: The following information was abstracted from a WRI Publications
announcement:

Africa Data Sampler (ADS)

The ADS is an internationally comparable set of digital maps at a scale of
1:1 million for every country in Africa. The ADS is an integration of map
data from several GIS databases. Roads, rivers, settlements,
topography, and other essential ... View entire text
Geographic Coverage
(Click for Interactive Map)
Spatial coordinates   
  N: 40.0   S: -35.0   E: 55.0   W: -16.0

Location Keywords
Science Keywords
ISO Topic Category
Quality The horizontal accuracy is to be <=2048 meters rounded to
nearest 5 meters at 90% circular error, World Geodetic System
(WGS-84). For coverage of the Antarctic area, horizontal
accuracy is <=4270 meters at 90% circular error. Spot
elevations ?30meters at 90% linear error, Mean Sea Level.

GPS tests world-wide have shown that the data often has an
... View entire text
Access Constraints none
Use Constraints The standard Europa Technologies single user licence agreement
(EULA) allows the data to be installed and used at a single
computer workstation. Printed output and digital images of the
map data can be distributed within the licensees
organisations. Distributions outside the organisation in printed
or electronic form, including publishing on the Internet, is
covered by a separate licence agreement.
Ancillary Keywords
Data Set Progress
COMPLETE
Originating Center
Europa Technologies
Data Center
Europa Technologies, Ltd Supplemental Info
Data Center URL: http://www.europa-tech.com/

Data Center Personnel
Name: WARREN VICK
Phone: 44-208398-3955 x201
Fax: 44-20-8398-3915
Email: wvick at europa-tech.com
Contact Address:
Europa Technologies
79 Claygate Lane
Hinchley Wood
Esher
Surrey KT10 OBQ
Country: UNITED KINGDOM
Distribution
Distribution Media: electronic/CD-ROM
Distribution Size: varies per image
Distribution Format: MIF, shapefile, TAB, SDF
Fees: See Summary
Personnel
TYLER B. STEVENS
Role: DIF AUTHOR
Phone: (301) 614-6898
Fax: 301-614-5268
Email: Tyler.B.Stevens at nasa.gov
Contact Address:
NASA Goddard Space Flight Center
Global Change Master Directory
City: Greenbelt
Province or State: MD
Postal Code: 20771
Country: USA
Creation and Review Dates
DIF Creation Date: 2002-08-05
Last DIF Revision Date: 2002-08-14

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