Ship Time Request Overview

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ALOHA-MARS Mooring - SUBMITTED  
UNOLS Project ID: 100200 URI Serial #: 20020807201630BZ
Date Submitted: 2/23/2006 5:57:00 PM Last Modified: 6/21/2007 7:54:00 PM
Status: Submitted Version #: 4
Principal Investigator (PI) Contact Information
Bruce M. Howe
 Ocean and Resourses Engineering UH_SOEST 		(808) 956-0466
 (808) 956-3498 (fax)
 bhowe*%*%*hawaii^%^%^edu
Co-Principal Investigator (Co-PI) & other collaborators Contact Information
Tim McGinnisUW_APL(206) 543-1346tmcginnis*%*%*apl^%^%^washington^%^%^edu
Roger LukasUH_SOEST(805) 956-7896rlukas*%*%*soest^%^%^hawaii^%^%^edu
Project Information (Proposal, Grant, Project, Contract, Program)
Project Title: SENSORS: ALOHA Mooring Sensor Network and Adaptive Sampling
Program Name: Other
Scientific Discipline: Multi-Disciplinary Instrumentation
Project Status: Funded Grant/Proposal
Project Funding Agencies:
Agency/Division/Program Grant or Project Number Funding Status
NSF/OCE/OTIC 0330082 Funded
Other Agency or Program Description:
Project Institution: University of Washington - Applied Physics Lab
Institution Project #:
Project Start Date: 10/1/2003
End Date: 9/30/2008
Proposal Deadline
(proposal date):		 8/15/2003
Total Project Budget: $2,500,000
Project Description and Facility Requirements
Project Web Page: http://alohamooring.apl.washington.edu/
Summary of Field Work: ALOHA/MARS Mooring Sensor Network/Profiler

We will be deploying (early spring 2008) and recovering (late summer 2008) a mooring network system connected via a seafloor cable to the MARS Observatory node at ~900 m depth in Monterey Bay. The system includes: 1.7 km of seafloor cable connected to the MARS node, a seafloor secondary node, and the mooring. The latter includes an instrument package (dual CTDO2, optical backscatter/fluorometer BB2F, 25 kHz WHOI acoustic micromodem) at the bottom, a MMP profiler (CTDO2, BB2F, acoustic current meter) and inductive docking station, subsurface float at 165 m with secondary node, ADCP, and instrument package (as seafloor + boradband hydrophone). We will need dynamic positioning, given the mooring deployment and recovery method, possible congestion around the site, and the contingency to recovery/redeploy. We will use the SIO TSE multi-bay winch system on the UNOLS ship. We will be using the MBARI ROVs Ventana or Tiberon with their respective support vessels to lay the seafloor cable, install the secondary seafloor node, and connect the base of the mooring. (The cable and node installation will be done well before the mooring deployment to assure proper operation.) The coordination of the two ships/ROV is important during mooring deployment and the connection process.
Summary of Facility Requirements: The global class Thompson is requested for dynamic positioning, large A-frame, trawl winch, general stability, accurate navigation. These are essential for the deployment and thus the Thompson is being requested.

While we are requesting the Thompson or equivalent also for recovery, the ship requirements for recovery are less stringent. We do not need dynamic positioning. A somewhat smaller A-frame is required (details below).
Summary of other requirements or comments: On both cruises, we will need to install the SIO TSE winch that will be holding approximately 1000 m of 21mm diameter mooring cable.
List of Ship, Aircraft and Facility Requests
 YearShipTotal DaysCost EstimateStart Date (optimum)RepeatMulti-shipAreaClearanceStatus
View 2008 Thomas G. Thompson 23 $675,780 Apr 01, 2008 No Yes Monterey Bay No Submitted
View 2008 Thomas G. Thompson 14 $405,468 Sep 01, 2008 No Yes Monterey Bay No Submitted

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