SEA would like to bring to your attention the publication of three new papers on marine mammal noise exposure criteria assessment methods and behavioral responses. This work evaluates Southall et al. (2007) in light of subsequent scientific findings and proposes revised noise exposure criteria to predict the onset of auditory effects in marine mammals.
You guessed it! Our very own Dr. Brandon Southall! We could not be more proud. Acoustics Today has recently published an article by Dr. Brandon Southall on collaborated efforts over the years to form this evolving Criteria for Marine Mammal Noise Exposure. A 10-Year Study on Antarctic Killer Whale Photo ID.A Recent Publication in Marine Mammal Science.
You guessed it! Our very own Dr. Brandon Southall! We could not be more proud. Acoustics Today has recently published an article by Dr. Brandon Southall on collaborated efforts over the years to form this evolving Criteria for Marine Mammal Noise Exposure. A 10-Year Study on Antarctic Killer Whale Photo ID.A Recent Publication in Marine Mammal Science.
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This project involves field controlled exposure experiments (CEEs) to quantify the behavioral response of Cuvier's beaked whales and short-finned pilot whales to tactical mid-frequency (3-4 kHz) active sonar (MFAS) off Cape Hatteras, North Carolina.
The objective is to provide direct empirical measurements of behavioral response in relation to key exposure variables, including received exposure level, proximity to the source, and behavioral state.A multi-scale approach is applied, with simultaneous deployment of high-resolution, short-duration, archival acoustic and movement tags and lower-resolution, longer-term, satellite-linked depth-recording tags.
The objective is to provide direct empirical measurements of behavioral response in relation to key exposure variables, including received exposure level, proximity to the source, and behavioral state.A multi-scale approach is applied, with simultaneous deployment of high-resolution, short-duration, archival acoustic and movement tags and lower-resolution, longer-term, satellite-linked depth-recording tags.
It is an interdisciplinary research collaboration, building on previous efforts in the Bahamas and Mediterranean Sea. The overall objective is to provide a better scientific basis for estimating risk and minimizing effects of active sonar for the U.S. Navy and regulatory agencies.
SOCAL-BRS is also part of a larger international collaboration to measure the impacts of noise marine mammals using opportunistic and experimental approaches (including controlled exposure experiments, or "CEEs").SOCAL-11 extends existing collaborations among scientists from private sector and academic scientists, the U.S. National Oceanic and Atmospheric Administration (NOAA), and U.S. Navy researchers and operational personnel.
SOCAL-BRS is also part of a larger international collaboration to measure the impacts of noise marine mammals using opportunistic and experimental approaches (including controlled exposure experiments, or "CEEs").SOCAL-11 extends existing collaborations among scientists from private sector and academic scientists, the U.S. National Oceanic and Atmospheric Administration (NOAA), and U.S. Navy researchers and operational personnel.
Oceanic delphinids are generally not endangered, nor have they been observed in mass-stranding events associated with Navy sonar, but these taxa include some of the most common protected marine mammal species (e.g., common dolphins Dephinus sp., bottlenose dolphins Tursiops truncatus) exposed to sonar in high numbers in some Navy operational areas.
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