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Exploring Underwater Sound: A Researcher's Dive into Studying Whales with Towed Hydrophone Arrays

Join oceanographer Lisa Munger as she utilizes towed hydrophone arrays and sonobuoys to study whales by collecting biopsy samples, exploring how sound works in the ocean, and analyzing spectrogram data.

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Exploring Underwater Sound: A Researcher's Dive into Studying Whales with Towed Hydrophone Arrays

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Presentation Transcript

  1. Photos Tags Studying Whales Biopsy samples

  2. Meet a Whale Researcher Lisa Munger, Oceanographer

  3. Towed hydrophone arrays Using Sound in the Ocean Sonobuoys (expendable Navy hydrophones) Seafloor moorings

  4. How sound works - compression wave

  5. How sound works - compression wave http://www.kettering.edu/%7Edrussell/demos.html

  6. Time 1 s Speed of sound in air: 300 m/s Speed of sound in water: 1500 m/s Frequency = 1/period Wavelength = sound speed x period Parts of a wave Amplitude Period Frequency (cycles/sec)

  7. Real world

  8. Towed hydrophone arrays Using Sound in the Ocean Sonobuoys (expendable Navy hydrophones) Seafloor moorings

  9. Spectrogram

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