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SUNFISH® hovering autonomous underwater vehicle (HAUV) can explore complex underwater terrain like the submerged caves the team is searching for as part of the Our Submerged Past project.

Our Submerged Past: Exploring Inundated Late Pleistocene (10,600 – 17,000 years ago) Caves in Southeast Alaska with Sunfish

Expedition Multimedia

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Our Submerged Past
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Microdebitage Images
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Microdebitage Analysis
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Collecting Sediment Samples
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Project Field Team
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AUV Deployment
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Hauling SUNFISH® Onboard
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Sonar Map Cross-Section
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Video of Sea Lion Cave
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Sonar Map Front View
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Routes to America
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Field Team at Work
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Core Sample Processing
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Sediment Core Collecting
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