学術雑誌論文 Fin whale vocalizations observed with ocean bottom seismometers of cabled observatories off east Japan Pacific Ocean

岩瀬, 良一  ,  IWASE, Ryoichi

54 ( 7S1 )  , p.07HG03 , 2015-06-17 , IOP Publishing
ISSN:00214922
内容記述
Fin whale vocalizations were found in the archived waveform data from both hydrophones and ocean bottom seismometers (OBSs) of a cabled observatory off Kushiro-Tokachi in Hokkaido. A fin whale was localized on the basis of the incident orientation estimated with a single OBS and the time difference of multipath arrival of sound pressure data from a hydrophone. Furthermore, several fin whale vocalizations were found in the archived OBS waveform data from other cabled observatories off east Japan Pacific Ocean. These findings suggest that the cabled OBSs would be significant apparatuses for real-time monitoring of the presence of baleen whales around Japan.
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http://www.jamstec.go.jp/jdb/ronbun/Ks00045570.pdf

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