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.
Tim HuntBeam Reach Marine Science and Sustainability SchoolFall 2007 - beamreach.org/071
Flinders University of South Australia
Attached probes to melon
Simplified from Szymanski et al. 1999Killer whale audiogram
types mask echolocation clicks?
100m and 400m
catamaran, Washington State
Ferry, cargo ship and dinghy
SM 100m & C 400m
Sounds below echo,
clicks heardA killer whale echolocation click
What in the bloody hell do all these lines mean?!
All vessels above echo
Both 115.5 dBVessels vs. click vs. audiogram
Higher spectrum level = higher mean RL?