I nvestigating high frequency underwater vessel noise and potential masking of killer whale echolocation clicks. Tim Hunt Beam Reach Marine Science and Sustainability School Fall 2007 - beamreach.org/071 Flinders University of South Australia. Introduction.
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Investigating high frequency underwater vessel noise and potential masking of killer whale echolocation clicks
Tim HuntBeam Reach Marine Science and Sustainability SchoolFall 2007 - beamreach.org/071
Flinders University of South Australia
2 orcas in captivity
Attached probes to melon
Simplified from Szymanski et al. 1999
types mask echolocation clicks?
100m and 400m
catamaran, Washington State
Ferry, cargo ship and dinghy
SM 100m & C 400m
Sounds above echo,
Sounds below echo,
What in the bloody hell do all these lines mean?!
2 vessels below echo
All vessels above echo
Both 115.5 dB
Higher spectrum level = higher mean RL?