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Seafloor Features

Seafloor Features. Measuring the Depths Soundings. http://www.history.noaa.gov/stories_tales/poletobeam.html. http://www.mariner.org/exploration/index.php?type=navigationtool&id=3. http://www.photolib.noaa.gov/bigs/map00001.jpg. Echo Sounding. Echo Sounding. Transmission of Energy - Sound.

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Seafloor Features

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  1. Seafloor Features • Measuring the Depths • Soundings

  2. http://www.history.noaa.gov/stories_tales/poletobeam.html http://www.mariner.org/exploration/index.php?type=navigationtool&id=3

  3. http://www.photolib.noaa.gov/bigs/map00001.jpg

  4. Echo Sounding

  5. Echo Sounding

  6. Transmission of Energy - Sound • Deep scattering layer

  7. Sea Floor Bathymetry

  8. Acoustic Technologies

  9. Satellite Altimetry

  10. Sound in the Sea • Seawater • 1500 m/sec • Air • 340 m/sec

  11. SOFAR Channel • Sound Fixing and Ranging

  12. ATOC • Acoustic Thermometry of Ocean Climate

  13. SOSUS • SOund SUrveillance Systems

  14. Isostasy

  15. Continental Margin • Active margin • Leading margin • Pacific-type • Convergent boundary • Continental shelf is narrow and irregular

  16. Continental Margin • Passive margin • Trailing margin • Atlantic-type • Divergent boundary • Sediment build-up on shelf

  17. Continental Shelf

  18. Continental Shelf Formation

  19. Shelf Break & Slope

  20. Submarine Canyons

  21. Turbidites

  22. Continental Rise • Atlantic, Indian, and Antarctic Oceans • Not usually found at active margins

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