Ship Request

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  Lau Hydrophone  -  2009  -  Global  
  Project Information  
Project Title: Collaborative Research: Assessment of T-wave Processes and Hydroacoustic Monitoring Capabilities in the Lau Basin Project Status: Submitted
Principal Investigator: DelWayne R. Bohnenstiehl, NCSU Project Institution: NCSU
Project ID: 101480 Version #: 7
Date Submitted: 2/13/2008 10:16:00 AM Created By: DelWayne R. Bohnenstiehl
Date Last Modified: 7/30/2009 5:45:00 PM URI Serial #: None
Funding Agencies: NSF/OCE/MGG - 0825295 - Funded
Summary of Field Work: Modification 30 July 2009
Supplement approved to deploy 4 hydrophones near West Mata Volcano.

Deployment: Will require extending December 2009 cruise on R/V Revelle to a total of 8 at sea days, assuming Suva to Nukualofa Tonga Leg. Up to two of these days will be funded by NOAA-PMEL.

Recovery: Will require extending the summer 2010 cruise to a total of 13 days at sea days, assuming Suva to Suva Leg.

Modification Summer 2009:
This ship time request is modified to reflect the need for an earlier than anticipated recovery cruise. Deployment took place during MGL0902 (January, 2009) and will be completed on a scheduled December 2009 cruise on the R/V Melville. This modification does not impact those cruises.

Justification: Power consumption on the newest generation of Q-tech clocks (deployed on a subset of the instruments to allow signal cross-correlation and array processing) was shown during bench tests to be significantly greater than specified by the manufacturer. Consequently, the longevity of these instruments is limited to 18 months (as opposed to the 24 months stated in the original ship time request).

*** To insure that the clocks are still functioning on these instruments, recovery operations must begin no later than 15 July 2010. ***

Ship time requirements:
Option 1 (assuming the response hydrophone near the northern Lau eruption site can be recovered during Melville Cruise in December of 2009).

Total ship time needed for recovery and transit between stations = 7 days
Total transit time from Suva to the field area = 2 days
Total ship time needed from Suva = 9 days

Option 2 (assuming the response hydrophone near the northern Lau eruption site has not been previously recovered).

An additional 2 days are required for transit and recovery of this instrument.
Total ship time needed for recovery and transit between stations = 9 days
Total transit time from Suva to the field area = 2 days
Total ship time needed from Suva = 11 days

Mooring locations (deg, minutes)
M1 -22 22.0003 -177 0.8751
M2 -22 43.0139 -177 15.7004
M3E -20 25.497 -176 46.1343
M3N -20 25.0585 -176 46.962
M3S -20 26.5805 -176 46.9148
M3W -20 25.7443 -176 47.6512
M4 -17 34.3481 -177 17.9052
M5 -18 35.1884 -175 27.3785
M6 -19 44.9144 -175 35.3741
M7 -21 30 -176 26.6
Response phone - M8 -15 17.307 -174 9.0871

Suva Port location (deg, minutes)
-18 7 -178 25

Clearance Needed:
Summary of Facility Requirements: Ship board deep sea winch, or ship capstan with fast speed for recovery of mooring lines; A-frame and crane. Line lengths range from 1700-2500 m.
Summary of other requirements and comments:  
Ship Request Identification
Type of Request: Primary Ship Use Request Status: Submitted
Request ID: 1001941 Created By: DelWayne R. Bohnenstiehl
Date Last Modified: 7/30/2009 5:45:00 PM Date Submitted: 3/18/2009 5:56:00 PM
Requested Ship, Operating Days and Dates
Year: 2009 Ship/Facility: Global
Optimum Start Date: 6/1/2009 Dates to Avoid: Deployment must occur before the R/V Langseth cruise of Wiens et al.
Earliest Start Date: 5/1/2009 Multi-Ship Op: No
Latest Start Date: 9/30/2009 Other Ship(s):

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
6 1 1 2 10
Repeating Cruise?
(within same year)
No Interval:   # of Cruises:  

Description of Repeating cruise requirements:
Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations:
Work Area for Cruise
Short Description of Op Area
for use in schedules:
Lau basin
Description of Op Area: Northeast Lau Basin and Eastern Lau Spreading Center
Op Area Size/Dia.: 120 nm x 540 nm
  Lat/Long Marsden Grid Navy Op Area
14.5° S / 173° W map
353 map
SP01 map
23.1° S / 175.5° W map
389 map
SP01 map
  Show Degrees Minutes    
Foreign Clearance and Permitting Requirements
Foreign Clearance Required? Yes Coastal States:

 Important Info on Foreign Research Clearances  

Are you or any member in your science party bringing in any science equipment items which are regulated for export by the International Traffic in Arms Regulations (ITAR) and/or the Export Administration Regulations (EAR)?
No If yes, have you applied for the necessary permits through your export control office? No
 Questions about ITAR/EAR regulations?

Comments about foreign clearance requirements or
description of any other special permitting requirements
(e.g., MMPA, ESA, IHA, Marine Sanctuaries, etc.)
Port Calls
Requested Start Port Intermediate Port(s) Requested End Port
Suva Harbor, Fiji Islands None Suva Harbor, Fiji Islands
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops

 Important Info on Working in Foreign Ports

Science Party
Chief Scientist: DelWayne R. Bohnenstiehl, NCSU
# in Science Party 6 # of different science teams 1 # Marine Technicians to be
provided by ship operator:
(include in science party total)
Explanation of Science Party Requirements and Technician Requirements
Instrumentation Requirements That Impact Scheduling Decisions
Selected Dynamic PositioningUnselected ADCPSelected MultibeamUnselected Seismic
Unselected Dredging/Coring/Large Dia. Trawl WireUnselected Stern A-frameUnselected Fiber Optic (.681)Unselected 0.680 Coax Wire
Unselected SCUBA DivingUnselected Radioisotope use - briefly describeUnselected NO Radioisotope use/Natural level workUnselected Other Operator Provided Inst. - Describe
0 PI-Provided Vans - briefly describe Unselected MOCNESS  
Explain Instrumentation or Capability
requirements that could affect choice
of ship in scheduling.

Mooring winch needed for recovery, multi-beam needed for instrument survey and DP needed for mooring deployment.

Major Ancillary Facilities (that require coordination of schedules with ship schedule)
Unselected Helicopter Ops (USCG)Unselected Twin OtterUnselected Unmanned Aerial Systems (UAS) 
Autonomous Underwater Vehicle (AUV)
Unselected Other AUVUnselected Sentry  
Coring Facility
Unselected Jumbo Piston CoringUnselected Large Gravity Core Unselected MC800 multicorer w/ MISO camera/telemetryUnselected OSU Coring Facility (MARSSAM)
Unselected Other Large Coring FacilityUnselected WHOI Long Core  
Human Occupied Vehicle (HOV)
Unselected AlvinUnselected Clelia (HBOI)Unselected JSL I & II (HBOI)Unselected Other HOV
Other Facility
Unselected MISO Facility - deep-sea imagingUnselected Other FacilityUnselected Potential Fields Pool Equipment 
Remotely Operated Vehicle (ROV)
Unselected JasonUnselected Other ROV  
Seismic Facility
Unselected Ocean Bottom Seismograph Instrument Center (OBSIC)Unselected Ocean Bottom Seismograph Instrument Pool (OBSIP)Unselected Ocean-Bottom Seismometer Program (UTIG)Unselected Other Seismic/OBS Facility
Unselected PASSCALUnselected Portable MCS groupUnselected Portable MCS/SCS groupUnselected U.S. Geological Survey Ocean Bottom Seismometer Facility (USGS at WHOI)
Towed Underwater Vehicle
Unselected ARGO IIUnselected Hawaii MR1 (HMRG)Unselected IMI12 (HMRG)Unselected IMI120 (HMRG - formerly DSL 120A)
Unselected IMI30 (HMRG)Unselected Other Towed Underwater VehicleUnselected Towfish 
UNOLS Van Pool
Unselected AUV Lab Van #1Unselected Clean Lab VanUnselected Cold Lab VanUnselected General Purpose Lab Van
Unselected Radioisotope Lab VanUnselected Wet Lab Van  
UNOLS Winch Pool
Unselected Mooring SpoolerUnselected Portable WinchUnselected Turn Table 
Explain Major Ancillary Facilities
Requirements and list description
and provider for "other" systems.

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