An editorial article on “Observing Ocean Sound” was recently published in Frontiers in Marine Science, as part of the Frontiers Research Topic, a collection on cutting-edge research themes, with the aim of opening up marine science and stimulating discussion on the most interesting topics.

The topic was at the core of the EMSO Time Series Conference (TSC) held in Gran Canaria, Canary Islands, in October 2021, organized with additional support of the CNRS (France, Marine Institute (Ireland), INGV (Italy), PLOCAN (Spain), Universidade do Algarve (Portugal), and Universitat Politècnica de Catalunya (Spain). During the event the speakers and the trainers informed and trained the ocean science community on the latest advancements in detecting and monitoring underwater sound.

The paper presents an overview of the ocean sound’s emerging role as a key health indicator of marine ecosystems and a useful parameter for environmental and industrial purposes like the detection of greenhouse gas seeps from pipelines and deep-sea carbon storage, gasification of methane clathrates, detection of low-frequency seismic events, and ice-cracking.

Several papers were submitted to the call launched after the EMSO TSC2021 to contribute to the proposed research topic and five of them were accepted for publication as original research articles.

Read the full editorial (E. Delory, A. Sirovic and S. Jesus, 2023) here:

For additional information about the EMSO TSC2021, visit the conference website:


Figure: Deployment of an EMSO EGIM in stand-alone mode, equipped with ocean sensors including a digital hydrophone (Lantéri et al., 2022). Photo courtesy: PLOCAN.