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|Created:||May 26, 2022 at 11:43 p.m.|
|Last updated:|| Aug 10, 2022 at 4:54 p.m.
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A 9.4 mm armored cable with two single mode and two multimode fibers was deployed in the cross shore coastal ocean from Duck, NC. DAS and DTS were used to measure bottom temperature and strain and connect those measurements to surface signatures of coastal hydrodynamics measured by camera and radar.
DTS data available via Box: https://oregonstate.box.com/s/4ugltcd8ud54ovf8oif9gsys40dpo30w.
Time period: 11/3/2021 - 2/10/2022
Instrument: Sensornet Oryx
Cable: AFL armored 9.4 mm diameter: 2 single mode (Corning SMF-28 ULL) and 2 multi mode (Corning MM 50 micron ClearCurve OM3) tight buffered fibers inside a 4 mm stainless steel tube, 5.37 mm HDPE jacket, 18 x 1.02 mm GEIPS wire, black PVDF jacket
Cable length: 1743 m with fusion spliced turnaround between multimode fibers
Multimode fiber break at 464 m on 11/8/21
5 m: patch cable to armored cable splice;
12-15 m: warm cooler (~21 deg C);
21-27 m: cold cooler (~5 deg C);
78-137 m: loop buried in beach near toe of dune with sand anchor on shoreward side;
137-169 m: cable trenched into beach at shoreline;
1748 m: turnaround splice at cable offshore end
This resource was created using funding from the following sources:
|Agency Name||Award Title||Award Number|
|National Science Foundation||Collaborative Research: Community Facility Support: Centers for Transformative Environmental Monitoring Programs - CTEMPs||1832170|
|U.S. Department of Defense ONR - YIP||Sensing Ocean Seafloor Sediment Type via Geologic Scholte Waves using a Fiber-Optic iDASv2||N00014-20-1-2591|