期刊
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA
卷 151, 期 4, 页码 2558-2575出版社
ACOUSTICAL SOC AMER AMER INST PHYSICS
DOI: 10.1121/10.0010124
关键词
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资金
- Massachusetts Clean Energy Center (MassCEC)
- Bureau of Ocean and Energy Management (BOEM)
- Nova Scotia Offshore Energy Research Association (OERA)
- Marine Environmental Prediction and Response Network (MEOPAR) Whales Habitat and Listening Experiment (WHaLE)
- Killam Foundation
- Vanier Canada Graduate Scholarship program
- Dalhousie University
- Nova Scotia Graduate Scholarship program
- Canada Graduate Scholarships-Michael Smith Foreign Study Supplements (CGS-MSFSS) program
The study aimed to characterize the detection range of a real-time baleen whale detection system equipped on a glider and buoy. The detection function for each platform was estimated by comparing the calls localized with a hydrophone array and those detected by the glider or buoy. The probability of detection was influenced by multiple factors, including range, ambient noise level, platform depth, etc. The findings provide valuable insights for baleen whale monitoring.
The goal of this study was to characterize the detection range of a near real-time baleen whale detection system, the digital acoustic monitoring instrument/low-frequency detection and classification system (DMON/LFDCS), equipped on a Slocum glider and a moored buoy. As a reference, a hydrophone array was deployed alongside the glider and buoy at a shallow-water site southwest of Martha's Vineyard (Massachusetts, USA) over a four-week period in spring 2017. A call-by-call comparison between North Atlantic right whale upcalls localized with the array (n = 541) and those detected by the glider or buoy was used to estimate the detection function for each DMON/LFDCS platform. The probability of detection was influenced by range, ambient noise level, platform depth, detection process, review protocol, and calling rate. The conservative analysis of near real-time pitch tracks suggested that, under typical conditions, a 0.33 probability of detection of a single call occurred at 6.2 km for the buoy and 8.6-13.4 km for the glider (depending on glider depth), while a 0.10 probability of detection of a single call occurred at 14.4 m for the buoy and 22.6-27.5 km for the glider. Probability of detection is predicted to increase substantially at all ranges if more than one call is available for detection. (c) 2022 Author(s).All article content, except where otherwise noted, is licensed under a Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/). https://doi.org/10.1121/10.0010124
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