Whale call data for the North Pacific : November 1995 through July 1999 occurrence of calling whales and source locations from SOSUS and other acoustic systems
2000
Watkins, William A. | George, Joseph E. | Daher, Mary Ann | Mullin, Kristina | Martin, Darel L. | Haga, Scott H. | DiMarzio, Nancy A.
Funding was provided by the Office Naval Research under Grant No. N00014-96-1-1130,SERDP and CNO N45.
Show more [+] Less [-]Calls of blue whales (Balaenoptera musculus), fin whales (Balaenoptera physalus), and humpback whales (Megapteranovaeangliae) were identified in the data from U.S. Navy Sound Surveilance System (SOSUS) and other hydrophone arrays.These data on calling whales from November 1995 through July 1999 have been listed here for four offshore, deep-water Regionsalong continental margins of the North and Northeast Pacific. The occurrence of calling whales was monitored during two-dayperiods each week. Call data recorded from each array identified species, call occurrence, variation, received beam, and relativenumbers of calling whales. This allowed assessment of seasonal distribution of calls for the different species, and providedlocations for sources received at multiple arrays. Blue whale tonal sounds were distributed widely, received most in the NWRegion, with a peak in occurrence in the fall. Fin whale "20-Hz" repetitive pulse sequences were received from whales grouped inlocal areas in all Regions, with a peak in occurrence in midwinter. Humpback songs were received from December through Mayparticularly in the SE Region. The offshore listening systems allowed basin-wide monitoring of the seasonal distribution of thesecallng whales.
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