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Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Automated High-Resolution Tracking of Sea Ice Extent Offshore Oliktok Point, Alaska, using Distributed Acoustic Sensing and Machine Learning .
Abstract not provided.
Estimation of First-Year Sea Ice Thickness with Seafloor Distributed Acoustic Sensing.
Abstract not provided.
Effects on Signal Propagation Across the Transition Between Dissimilar Optical Fibers for Distributed Acoustic Sensing Analysis.
Abstract not provided.
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.
Probing the Solid Earth and the Hydrosphere with Ocean-Bottom Distributed Acoustic Sensing [Slides]
Abstract not provided.
Estimation of First-Year Sea Ice Thickness with Seafloor Distributed Acoustic Sensing Using Flexural-GravityWaves from Environmental and Anthropogenic Sources
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Tracking sea ice extent in northern Alaska using Distributed Acoustic Sensing and Machine Learning
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Distributed Acoustic Sensing of Anthropogenic and Polar Environmental Signals
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A Metadata Exchange Model for Distributed Acoustic Sensing (DAS)
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Distributed Acoustic Sensing (DAS) of seafloor fiber optics enables meter-scale resolution of surface waves in the coastal ocean
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Tracking sea-ice extent and detecting boats in the Beaufort Sea using Distributed Acoustic Sensing and Machine Learning
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Utilizing Distributed Acoustic Sensing to Characterize Microseismicity within Arctic Sea Ice in the Beaufort Sea
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The Source Physics Experiment and Distributed Acoustic Sensing
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Using Unsupervised Deep Learning to Denoise Data from Distributed Acoustic Sensing
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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.
DETECTION AND CHARACTERIZATION OF ICE-RELATED SEISMIC SIGNALS USING DISTRIBUTED ACOUSTIC SENSING OFFSHORE BEAUFORT SEA, ALASKA
Poster for the 2025 SSA Conference