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These photos were taken at the Coastal and Hydraulics Laboratory Duck Field Research Facility (FRF). The primary mission of the FRF is to collect measurements of the waves, currents, winds, and sediment movement, and to understand the relations among them. The pier deck at FRF is 6 m wide and extends 560 m from the foredune to a water depth of approximately 7 m. The deck is supported on 1 m diameter steel pilings, which are embedded 15-18 m below the ocean bottom. The pier deck is 7.7 m above the sea surface and was designed to stay above storm waves.

The pier contains a large crane-like Sensor Insertion System (SIS). This device is able to reach from 15 to 24 m out from the side of the pier and is capable of rapidly deploying instruments anywhere along the pier because it is on railroad tracks mounted on the deck. It contains a variety of scientific measuring instruments, including current meters, acoustic sensors, and optic sensors.

The CRAB (Coastal Research Amphibious Buggy) is a 10.7 m tall amphibious vehicle. Its primary use is to accurately map the nearshore coastal bottoms.

The LARC (Lighter Amphibious Resupply Cargo) is a four wheel, amphibious ocean vessel used to deploy instruments.

Here's a video clip of the CRAB (2.1 MB).

Click on a thumbnail photo to view a full screen image.



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© 1998, Alec M. Bodzin for the Science Junction, NC State University. All rights reserved.

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