ML 114762

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blue whale -- Balaenoptera musculus More
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Paul O Thompson
25 Jan 1980

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NOTES: Zsys z-Q2 hi-shelf filtered -95dB >160Hz; Originally recorded at 15/16ips; digitized at 3.75ips. Digitized from ~14 mins to ~20mins from start of tape (at 3.75ips). Seismic activity in background. Long blue whale downsweeps. [CB 16Jul2003] Reference: Thompson, Paul O. and William A. Friedl, 1982, "A long-term study of low-frequency sounds from several species of whales off Oahu, Hawaii. Cetology 45: September 30, 1982. Equipment notes from this reference indicate "two hydrophones, 11.6km apart and bottom-mounted at 400 fathoms off the northernmost point of Oahu... Hydrophone response was essentially flat from 20 to 300Hz and was attenuated at about 15dB per octave above." SEAOCEAN

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