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Distributed Acoustic Sensing as a Monitoring Tool at LANL [Slides]

DAS records a variety of signals, including (1) earthquakes and volcanic eruptions, (2) explosions (DAG, mining, etc.), (3) acoustic waves, (4) ocean (waves, whales), (5) vehicle, ship and pedestrian traffic, (6) glaciology and landslides, and (7) oil and gas. Main questions include: (1) what is the extent of the signal content? (2) how does DAS compare to traditional sensors? (3) how do interrogators, fiber types, and fiber depth burials impact measurements? (4) special applications offshore to overcome the lack of instrumentation.

46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND ↗

The Source Physics Experiment and Distributed Acoustic Sensing

1. Purpose: This will be presented at the 2025 SSA meeting. 2. Peer Review: Internal Peer Review not required. Talk is informational displaying published findings and datasets. 3. HQ review: This is being sent to HQ for review.

Porritt, Robert William [Sandia National Laborator↗