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Tags Tags Biopsy samples Biopsy samples Photos Photos Studying Whales

Lisa Munger, Oceanographer Meet a Whale Researcher

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

How sound works - compression wave

How sound works - compression wave

Time Amplitude Period Frequency (cycles/sec) 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

Real world

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

Spectrogram

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