Table 4. Summary of source level data for odontocete 

 (From Fish and Turl, 1976) 



Species 



Source Level 

 (dB, re 1 uPa at 1 



Comments 

 n) 



Reference 



Tursiops truncatus 



217-228 

 175 



Broadband peak-to-peak 

 of clicks. 



Au, Floyd, Penner 

 and Murchison (1979) 



Evans (1976) 



Laqenorhynchus 

 austral is 



80 



Broadband RMS level of 

 clicks. 



Schevill and Watkins 

 (1976) 



Orcinus orca 



160 



Broadband RMS levels of 

 screams (click trains) 



Watkins and Schevill 

 (1966) 



Stenella 



lonqirostris 



108-115 



109-125 

 85-95 



Broadband RMS levels of 

 pulse bursts 

 "squeals" 

 clicks 



Watkins and Schevill 

 (1974) 



Inia geoffrensis 



165 



Broadband peak-to-peak 

 levels of clicks. 



Evans (1976) 



Phocoena phocoena 



100 



140 

 (132-149) 



Broadband RMS level of 



clicks. 



Mean and range of peak 



broadband level of 



clicks. 



Schevill, Watkins 

 and Ray (1969) 

 Mohl and Anderson 

 (1973) 



Physeter catodon 



135 



173.5 



171.2 

 (165.5-175.3) 



Peak broadband level 

 of pulses. Thought to 

 be P. catodon. 

 Mean 1/3-octave level 

 of clicks at 1 kHz. 

 Mean and range of 

 broadband level of 

 clicks. 



Corcella and Green 

 (1968) 



Dunn (1969) 



Levenson (1974) 



A- 28 



