Detections of whale vocalizations by simultaneously deployed bottom-moored and deep-water mobile autonomous hydrophones.
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Mellinger, David K
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Advances in mobile autonomous platforms for oceanographic sensing, including gliders and deep-water profiling floats, have provided new opportunities for passive acoustic monitoring (PAM) of cetaceans. However, there are few direct comparisons of these mobile autonomous systems to more traditional methods, such as stationary bottom-moored recorders. Cross-platform comparisons are necessary to enable interpretation of results across historical and contemporary surveys that use different recorder types, and to identify potential biases introduced by the platform. Understanding tradeoffs across recording platforms informs best practices for future cetacean monitoring efforts. This study directly compares the PAM capabilities of a glider Seaglider) and a deep-water profiling float (QUEphone) to a stationary seafloor system (High-frequency Acoustic Recording Package, or HARP) deployed simultaneously over a 2 week period in the Catalina Basin, California, United States. Two HARPs were dep.....
JournalFrontiers in Marine Science
Sustainable Development Goals (SDG)14.a
Essential Ocean Variables (EOV)Marine turtles, birds, mammals abundance and distribution
Spatial CoverageNorth Pacific Ocean
CitationFregosi, S., Harris, D.V., Matsumoto, H., Mellinger, D.K., Barlow, J., Baumann-Pickering, S. and Klinck, H. (2020) Detections of Whale Vocalizations by Simultaneously Deployed Bottom-Moored and Deep-Water Mobile Autonomous Hydrophones. Frontiers in Marine Science, 7:721. DOI: 10.3389/fmars.2020.00721
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