Ship Request

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  Ridge to Trench  -  2012  -  Marcus Langseth  
  Project Information  
Project Title: Collaborative Research: Evolution and hydration of the Juan de Fuca crust and
uppermost mantle: a plate-scale seismic investigation from ridge to trench.
Project Status: Submitted
Principal Investigator: Suzanne M. Carbotte, LDEO Project Institution: LDEO
Project ID: 102317 Version #: 1
Date Submitted: 2/11/2010 12:53:00 PM Created By: Suzanne M. Carbotte
Date Last Modified: 8/5/2011 8:15:00 AM URI Serial #: None
Funding Agencies: NSF/OCE/MGG - 1029411 - Funded
Summary of Field Work: The proposed program involves acquisition of multi-channel seismic and OBS refraction data along three long transects (250-470 km) of the Juan de Fuca plate.
Summary of Facility Requirements: We require the R/V Langseth to operate in "2D" mode with one 8 km long streamer and the full airgun source array. We are also requesting 41 short-period OBSs from the OBS Instrumentation Pool equipped with 3-component seismometers and hydrophone. We are requesting time on an additional ship to carry out the OBS deployment and recover operations.
Summary of other requirements and comments:  
Ship Request Identification
Type of Request: Collaborative Ship Use Request Status: Submitted
Request ID: 1003507 Created By: Suzanne M. Carbotte
Date Last Modified: 5/2/2011 2:57:00 PM Date Submitted: 2/11/2010 12:53:00 PM
Requested Ship, Operating Days and Dates
Year: 2012 Ship/Facility: Marcus Langseth
Optimum Start Date: 7/1/2012 Dates to Avoid: There is a short weather window within the NE pacific within which the cruise needs to be scheduled. Our experiment involves MCS operations that require calm weather conditions to successfully deploy the gear and acquire data without excessive weather-related noise on the streamer.
Earliest Start Date: 6/1/2011 Multi-Ship Op: Yes
Latest Start Date: 9/1/2011 Other Ship(s): This is proposed here as a multi-ship experiment with the Langseth which will provide the airgun source for the OBS lines, and will be used for the MCS survey. The Wecoma will be used for OBS deployments and recovery.

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
24 0 0 1 25
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:
The Langseth is requested for full MCS operations and for shooting the OBS transects (25 days). We are requesting an additional ship to conduct the OBS deployment and recovery operations (32 days) which will include a 6 day holdover period while the Lansgeth is shooting the MCS transects. The Wecoma could perform other work during this time but we include this stand by time in the total days request here for the Wecoma. The full program could also be conducted on the Langseth, if this was considered preferable given ship schedules and funding.
Work Area for Cruise
Short Description of Op Area
for use in schedules:
NE Pacific
Description of Op Area: NE Pacific off the Oregon/Washington coast to the Juan de Fuca Ridge
Op Area Size/Dia.:  
  Lat/Long Marsden Grid Navy Op Area
44° N / 124° W map
157 map
NP09 map
49° N / 131° W map
158 map
NP09 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
Newport, OR, USA None Astoria, OR, USA
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops
These ports are within a few hours from start/end of our survey.

 Important Info on Working in Foreign Ports

Science Party
Chief Scientist: Suzanne M. Carbotte, LDEO
# in Science Party 20 # 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 We will require the Langseth seismic technicians for the MCS work, and for the airguns to OBS work.
Instrumentation Requirements That Impact Scheduling Decisions
Selected Dynamic PositioningUnselected ADCPSelected MultibeamSelected 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.

The Langseth is required for the MCS component of the program and the airguns to OBS component.

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)Selected 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.
We are requesting 41 short-period OBSs from the OBS Instrumentation Pool equipped with 3-component seismometers and hydrophone. The OBSs will be deployed in two separate deployments of 34 and 41 OBSs.

Expand request schedules  Associated Schedules

Expand request history Ship Request History