Real-time reporting of baleen whale passive acoustic detections from ocean gliders
Real-time reporting of baleen whale passive acoustic detections from ocean gliders
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DOI：
10.1121/1.4816406
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发表时间：
2013-09-01
影响因子：
2.4
通讯作者：
Johnson, Mark
中科院分区：
文献类型：
--
作者：
Baumgartner, Mark F.;Fratantoni, David M.;Johnson, Mark
在过去的十年中，在通过自主平台（例如滑翔机、浮标、浮标）对海洋哺乳动物的出现和分布进行实时被动声学监测方面取得了很大进展，但当前的系统主要关注由单个物种（通常来自单个位置）发出的单一呼叫类型。开发了一种硬件和软件系统，用于通过海洋滑翔机实时检测、分类和报告 4 种须鲸发出的 14 种叫声类型。 2012 年 11 月末和 12 月初，在缅因湾中部进行为期 3 周的部署期间，两架滑翔机报告了超过 25,000 次声学探测结果，这些声波探测到了长须鲸、座头鲸、塞鲸和露脊鲸。个体叫声的总体错误检测率为 14%，对于露脊鲸、座头鲸和长须鲸，在 15 分钟报告期内发生的错误预测为 5% 或更少。传输的音调轨迹（声音的紧凑表示）可以明确识别座头鲸和长须鲸的歌曲。在空中或船上观测期间发现鲸鱼且滑翔机位于目击地点 20 公里范围内的 10 起案例中，有 9 起在目击时间后 612 小时内滑翔机对同一物种进行了实时声学探测。 (C) 2013 年美国声学学会。
In the past decade, much progress has been made in real-time passive acoustic monitoring of marine mammal occurrence and distribution from autonomous platforms (e. g., gliders, floats, buoys), but current systems focus primarily on a single call type produced by a single species, often from a single location. A hardware and software system was developed to detect, classify, and report 14 call types produced by 4 species of baleen whales in real time from ocean gliders. During a 3-week deployment in the central Gulf of Maine in late November and early December 2012, two gliders reported over 25 000 acoustic detections attributed to fin, humpback, sei, and right whales. The overall false detection rate for individual calls was 14%, and for right, humpback, and fin whales, false predictions of occurrence during 15-min reporting periods were 5% or less. Transmitted pitch tracks-compact representations of sounds-allowed unambiguous identification of both humpback and fin whale song. Of the ten cases when whales were sighted during aerial or shipboard surveys and a glider was within 20 km of the sighting location, nine were accompanied by real-time acoustic detections of the same species by the glider within 612 h of the sighting time. (C) 2013 Acoustical Society of America.