ocean

Calving-driven fjord dynamics resolved by seafloor fibre sensing

Using seafloor fibre optic sensing, this study reveals how iceberg calving amplifies submarine melt by exciting internal waves, providing new insights into the complex ice-ocean interactions driving glacier retreat.

Estimating sound pressure levels from distributed acoustic sensing data using 20 Hz fin whale calls

Using 20 Hz fin whale calls, this study establishes a method to convert DAS-recorded strain into quantitative acoustic pressure measurements, advancing the use of fiber optic cables for marine acoustic monitoring.

Reconstruction of Nearshore Surface Gravity Wave Heights From Distributed Acoustic Sensing Data

This study demonstrates a method to quantitatively reconstruct surface wave heights from DAS data on seafloor cables, validating its potential for real-time coastal wave monitoring.

Fiber optics sensing sheds new light on physical ocean processes

Using Distributed Acoustic Sensing (DAS) on existing seafloor fiber optic cables to monitor ocean processes such as temperature, wave heights or seafloor currents.

Non-Intrusive DAS Coexisting in Telecom Networks

We demonstrate a non-intrusive method for using Distributed Acoustic Sensing (DAS) on active telecom networks, enabling environmental monitoring without disrupting data traffic.

Towards Tsunami Early-Warning with Distributed Acoustic Sensing: Expected Seafloor Strains Induced by Tsunamis

We model the seafloor strain from tsunamis to show that Distributed Acoustic Sensing (DAS) on fiber optic cables can be a viable tool for early-warning systems.

Earthquake and tsunami monitoring and early-warning with fiber optic cables

Exploiting fiber optic cable to scrutinize natural hazards