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GTOPO30 (Global 30 Arc-Second Elevation Data Set)

Contents: GTOPO30 shaded relief image

GTOPO30 shaded relief image
(Central America)

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Product Description

Global 30 Arc-Second Elevation Data Set (GTOPO30) is a global raster Digital Elevation Model (DEM) with a horizontal grid spacing of 30 arc seconds (approximately 1 kilometer). GTOPO30 was derived from a variety of raster and vector sources. The data is expressed in geographic coordinates (latitude/longitude) and is referenced to the World Geodetic Survey (WGS) system of 1984 (WGS84). The files are available in generic binary (16-bit signed integer) format and are distributed on DVD, CD-ROM, and File Transfer Protocol (FTP).

Additional Information:

Skip past GTOPO30 (Global 30 Arc-Second Elevation Data Set) Content LinksGTOPO30
GTOPO30 README
GTOPO30 FAQs
Representative Applications of GTOPO30

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Prices

GTOPOP30 data has transfered from NASA to USGS (details).

DVD $78.00 per DVD*
CD-ROM $43.00 per CD**
FTP download no charge
*Complete GTOPO30 coverage will require 1 DVD.
**Complete GTOPO30 coverage will require 5 CD-ROMs.

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Search & Order

There are several options for searching and ordering GTOPO30 data, depending on media:

DVD and CD-ROM Skip past Several options for searching and ordering GTOPO30 dataGTOPO30 Order Form
EOS Data Gateway
FTP download GTOPO30

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Last Update:Wednesday, October 15, 2003
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