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OCN 5401 - PowerPoint PPT Presentation


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OCN 5401. Chapter 12 Sound and Optics Instructor: Dr. George A. Maul gmaul@fit.edu / X 7453. Underwater Sound. Sound Propagation. Hydroacoustics. Swath bathymetry. Current speed. Sound Beam Forming. SOFAR Channel. Ocean climate studies.

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OCN 5401


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  1. OCN 5401 Chapter 12 Sound and Optics Instructor: Dr. George A. Maul gmaul@fit.edu / X 7453

  2. Underwater Sound

  3. Sound Propagation

  4. Hydroacoustics Swath bathymetry Current speed

  5. Sound Beam Forming

  6. SOFAR Channel Ocean climate studies

  7. Hydroacoustics is the means of sensing in the Coastal Ocean ADCPs Sidescan Sonar Inverted Echo Sounders (IES) AUVs Passive acoustic listening IES

  8. Acoustic Doppler Current Meter ADCP Oculina Bank, Florida

  9. Acoustic Tomographyocean currents from difference in reciprocal travel times

  10. Acoustic Thermometry of Ocean Climateocean temperature from average reciprocal travel times

  11. Solar Radiation 100 km 105 m 1 m

  12. Optical Properties of Seawater And reflected light is polarized!

  13. Absorption and Scattering Attenuation or Extinction

  14. Hydrologic Optics Six Channel Multispectral Scanner

  15. Optical Oceanography

  16. Applied Ocean Optics LIDAR

  17. Ocean Color SeaStar carries SeaWiFS Cape Hatteras Cape Mendocino

  18. Optical Buoy

  19. Forel / Ule Scale Atlantic Ocean C = 1.7 / ZSecchi Secchi Disk for estuarine waters

  20. TurbidityNephelometric Turbidity Units (NTUs)

  21. Bioluminescence

  22. Who Cares?

  23. OCN 5401 Chapter 12 Questions?