Science Keywords>HUMAN DIMENSIONS
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Africa Data Sampler (ADS): Digital Data Sets for Africa Available from the World Resources Institute (WRI)
Entry ID:
ADS_WRI
Click to see members of this collection. 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 ... ![]() Geographic Coverage
(Click for Interactive Map)
Spatial coordinates
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 ... ![]()
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. Data Set Progress
COMPLETE
Originating Center
Data Center
Distribution
Distribution Media:
electronic/CD-ROM
Distribution Size:
varies per image
Distribution Format:
MIF, shapefile, TAB, SDF
Fees:
See Summary
Personnel
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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