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  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