Proposal Number: 1115537 Institution: Columbia University, Lamont-Doherty Earth Observatory PI: S. Higgins Co-PI: D. Goldberg, P. Ljunggren

The proposal requests four Shipboard Scientific Support Equipment (SSSE) items for the R/V MARCUS LANGSETH operated by Columbia University, Lamont-Doherty Earth Observatory (LDEO); namely initial support for oceanographic winch replacement, engineering support for Long Core system repositioning, a new scientific workboat, an a new marine radio. Funding of these items will greatly enhance science support capability and safety on board the vessel.

Broader Impacts: The LANGSETH supports federally funded scientific research throughout the world?s oceans to expand human knowledge of the ocean environment and is the only 3D seismic vessel in the Academic Fleet. During operations, the vessel routinely exposes graduate and undergraduate students to seagoing oceanography through real-time satellite connectivity from ship to shore, and open house events. The LANGSETH is scheduled to complete nearly 200 NSF sponsored days in 2011.

Project Report

(SSSE) award was envisioned to provide a general plan that provided a road map for "general purpose oceanographic" improvements for the R/V Marcus G. Langseth. The Langseth is operated by the Office of Marine Operations at Lamont-Doherty Earth Observatory of Columbia University. The results of this planning were provided in a report that was presented to NSF, the UNOLS Fleet Improvement Committee (FIC) and Marcus Langseth Science Oversight Committee (MLSOC) in Fall 2010. Regular updates on the implementation of this plan were provided at subsequent FIC and MLSOC meetings. This award was funded in increments over 2-years to provide a significant array of improvements to the vessel. The major activities accomplished under this award included: 1) Installation of a Markey DESH-5 hydrographic winch and structual modifications for a second trawl winch 2) Installation of new Winch Control Booth 3) Fabrication of new Science Workboat 4) New turning blocks and sheaves for the over the side equipment handling. 5) Equipment support for Line Islands Coring Cruise that included coring equipment, a temporary trawl winch, and other deck equipment. 6) New HF/MF Radio and Receiver for Arctic Ocean Cruise 7) Long Core Preliminary Design Study that examined possible transfer of this coring equipment to the R/V Langseth 8) Engineering plans for all modification plans were developed by naval architects

National Science Foundation (NSF)
Division of Ocean Sciences (OCE)
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Program Officer
Matthew J. Hawkins
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Columbia University
New York
United States
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