School of Oceanography, University of Washington, Seattle, Washington 98195, USA.
Department of Earth and Space Sciences, University of Washington, Seattle, Washington 98195, USA
JASA Express Lett. 2023 Feb;3(2):026002. doi: 10.1121/10.0017104.
Distributed acoustic sensing (DAS) is a technique that measures strain changes along an optical fiber to distances of ∼100 km with a spatial sensitivity of tens of meters. In November 2021, 4 days of DAS data were collected on two cables of the Ocean Observatories Initiative Regional Cabled Array extending offshore central Oregon. Numerous 20 Hz fin whale calls, northeast Pacific blue whale A and B calls, and ship noises were recorded, highlighting the potential of DAS for monitoring the ocean. The data are publicly available to support studies to understand the sensitivity of submarine DAS for low-frequency acoustic monitoring.
分布式声学传感 (DAS) 是一种技术,可测量光纤上的应变变化,距离可达 ∼100km,空间灵敏度可达数十米。2021 年 11 月,在俄勒冈州中部近海延伸的海洋观测倡议区域有缆阵列的两条电缆上收集了 4 天的 DAS 数据。记录了大量 20Hz 的长须鲸叫声、东北太平洋蓝鲸 A 和 B 的叫声以及船只噪音,突出了 DAS 用于监测海洋的潜力。这些数据是公开的,旨在支持研究,以了解海底 DAS 对低频声监测的敏感性。