[HTML][HTML] Scientific applications of distributed acoustic sensing: State-of-the-art review and perspective
This work presents a detailed review of the development of distributed acoustic sensors
(DAS) and their newest scientific applications. It covers most areas of human activities, such …
(DAS) and their newest scientific applications. It covers most areas of human activities, such …
Fiber-optic seismology
NJ Lindsey, ER Martin - Annual Review of Earth and Planetary …, 2021 - annualreviews.org
Distributed acoustic sensing (DAS) is an emerging technology that repurposes a fiber-optic
cable as a dense array of strain sensors. This technology repeatedly pings a fiber with laser …
cable as a dense array of strain sensors. This technology repeatedly pings a fiber with laser …
Fibre optic distributed acoustic sensing of volcanic events
Understanding physical processes prior to and during volcanic eruptions has improved
significantly in recent years. However, uncertainties about subsurface structures distorting …
significantly in recent years. However, uncertainties about subsurface structures distorting …
Earthquake focal mechanisms with distributed acoustic sensing
Earthquake focal mechanisms provide critical in-situ insights about the subsurface faulting
geometry and stress state. For frequent small earthquakes (magnitude< 3.5), their focal …
geometry and stress state. For frequent small earthquakes (magnitude< 3.5), their focal …
Achievements and prospects of global broadband seismographic networks after 30 years of continuous geophysical observations
Global seismographic networks (GSNs) emerged during the late nineteenth and early
twentieth centuries, facilitated by seminal international developments in theory, technology …
twentieth centuries, facilitated by seminal international developments in theory, technology …
Big data seismology
The discipline of seismology is based on observations of ground motion that are inherently
undersampled in space and time. Our basic understanding of earthquake processes and our …
undersampled in space and time. Our basic understanding of earthquake processes and our …
Comparison between distributed acoustic sensing and geophones: Downhole microseismic monitoring of the FORGE geothermal experiment
A Lellouch, NJ Lindsey… - … Society of America, 2020 - pubs.geoscienceworld.org
We compare the performance of a downhole distributed acoustic sensing (DAS) fiber‐optic
array with that of conventional geophones. The downhole collocated arrays are part of the …
array with that of conventional geophones. The downhole collocated arrays are part of the …
Distributed acoustic sensing for monitoring linear infrastructures: Current status and trends
HH Zhu, W Liu, T Wang, JW Su, B Shi - Sensors, 2022 - mdpi.com
Linear infrastructures, such as railways, tunnels, and pipelines, play essential roles in
economic and social development worldwide. However, under the influence of geohazards …
economic and social development worldwide. However, under the influence of geohazards …
Detection of hydroacoustic signals on a fiber-optic submarine cable
A ship-based seismic survey was conducted close to a fiber-optic submarine cable, and 50
km-long distributed acoustic sensing (DAS) recordings with air-gun shots were obtained for …
km-long distributed acoustic sensing (DAS) recordings with air-gun shots were obtained for …
Empirical investigations of the instrument response for distributed acoustic sensing (DAS) across 17 octaves
With the potential of high temporal and spatial sampling and the capability of utilizing
existing fiber‐optic infrastructure, distributed acoustic sensing (DAS) is in the process of …
existing fiber‐optic infrastructure, distributed acoustic sensing (DAS) is in the process of …