GIS Lookup: Detailed Data Layer Listing

Data Layer GraphicTitle: "Global Digital Elevation Model (GTOPO30)" (2006)
Description: Global Digital Elevation Model (GTOPO30) represents gridded 30 arc seconds (+- 1 Km) elevation for the world. These data were by developed by the USGS EROS Data Center in 1996 from a variety of data sources. The VALUE attribute represents the elevation in meters. Global Digital Elevation Model (GTOPO30) provides a base map layer displaying global elevation information for geographic analysis on global, regional, and national scales.
Keywords and Themes: Elevation
Filename Prefix: gtopo_1km
FTP Download (NCSU Affiliates only):   
Download Instructions: In the ftp window that opens, search for and save locally all files with the above Filename Prefix.  
Map Drive and FTP Help
Mapped Drive Folder: /esri2006/ElevImage_World/world_elevation/
Total size of data files: 456 MB
Data Type: ArcInfo GRID
Feature Type: Raster Dataset
Coordinate System: GCS_WGS_1984
Datum: D_WGS_1984Map Units: Decimal degrees

Spatial Extent: World
Resolution: 1 km
Source Scale: 1:3,500,000
Scale Note: Largest scale when displaying the data: 1:3,500,000.

Created by: U.S. Geological Survey, EROS Data Center Distributed Active Archive Center (EDC DAAC)
Released by: ESRI; ESRI International Distributors
Content Date:
Published Date: 20061001

Collection Name: ESRI® Data & Maps 2006
Physical Location: Reference GIS Data Cabinet
Call Number: G70.212 .E77 2006
Acquired Date: 20061122
Distribution Restrictions:


Links to Metadata, Documentation, and Mapping:

Record ID: 2978_edm08