期刊
JOURNAL OF EXPERIMENTAL MARINE BIOLOGY AND ECOLOGY
卷 448, 期 -, 页码 46-56出版社
ELSEVIER
DOI: 10.1016/j.jembe.2013.06.007
关键词
Acoustic telemetry; Autonomous positioning; Autonomous underwater vehicle; Long-term tracking; Telemetry capabilities; Telemetry limitations
资金
- University of Florida
- National Marine Fisheries Service, MARFIN Program [NA04NMF4330075, NA07NMF4330123]
- Disney Worldwide Conservation Fund
- American Academy of Underwater Sciences
- Aylesworth Foundation
We tested the capabilities and limitations of a novel autonomous acoustic positioning telemetry system with data from fifteen field deployments off the Florida coast. Telemetry array coverage areas ranged between 100 and 300 m across. For fixed transmitters within the array, the fraction of transmissions leading to high-quality calculated position estimates averaged 44%, with wide variation. Positional accuracy was about 2 m. The choice of filtering strictness represented a trade-off between the accuracy and frequency of positions. There was substantial temporal variation, but no clear pattern (e.g., daily or tidal correlations) in frequency of positions. There was no spatial bias within the array. Array performance for stationary transmitters was robust to user errors in sound speed and hydrophone position estimates. Performance was less robust for a transmitter attached to an autonomous underwater vehicle moving through the array, with 22% of transmissions leading to position estimates. Overall the system produced reliable results, but as the use of acoustic telemetry in complex ecological studies increases it is important to recognize technological requirements and limitations. (C) 2013 Elsevier B.V. All rights reserved.
作者
我是这篇论文的作者
点击您的名字以认领此论文并将其添加到您的个人资料中。
推荐
暂无数据