Analysis and Ranking of the Acoustic Disturbance Potential of ...

Table 2.8.
Characteristics of Underwater Sounds Produced by Alaskan Baleen Wales.
Frequency
Range of winant Soirrce Level
Vocal lzations Frequencies (dB re 1
Species Signal type (Hz) (Hz) at 1 m) References
Fin whale moans 17-25 20 160-186 Watkins 1981b; Watkins et al. 1987
mans 30-750 - 155-165 Watkins 1981b; Cunmings et al. 1986
whistles?, chirps? 1,500-5,000 1,500-2,500 - Thompson et al. 1979
clicks? 16,000-28,000 - - Thompson et al. 1979
Blue whale moans 12-390 20-30, 50-60 188 Cummings and Thompson 1971; Edds 1982
clicks? 6,000-8000 6,000-8,000 130, 159 Beamish and Mitchell 1971; Beamish 1979
21,000-31,000 25,000
Minke whale down sweeps 60- 130 - 165 Schevill and Uatkins 1972
moans, grunts 60-140 60-140 151-175 Schevill and Uatkins 1972; Winn and
ratchet
Perkins 1976
850-6,000 , 850 - Winn and Perkins 1976
clicks 3,300-20,000