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Measured and Estimated Seafloor Topography: Land Topography from GTOPO30
This web site displays two "clickable" maps - one topographic, and the other a Ship Track Each of 16 regions on the maps displays measured and estimated seafloor topography. A poster of the images can be ordered for a fee. Links to related sites are also provided.
Intended for grade levels:
  • Middle (6-8)
  • High (9-12)
  • College (13-14)
  • College (15-16)
  • Graduate / Professional
Type of resource:
  • Visual:
    • Map
    • Visualization - scientific
  • Text:
    • Journal article
  • Geographical Sciences:
    • Physical geography
  • Geological Sciences:
    • Geophysics
  • Ocean Sciences:
    • Physical oceanography
Technical requirements:
No specific technical requirements, just a browser required
Cost / Copyright:
No cost
Copyright 1997, David T. Sandwell
DLESE Catalog ID: DLESE-000-000-000-147
Resource contact / Creator / Publisher:
Contact: Dr David T Sandwell
Scripps Institution of Oceanography