Ship Request

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  Cascad ship-to-shore  -  2012  -  Marcus Langseth  
  Project Information  
Project Title: Collaborative Research: Imaging the Cascadia subduction zone: a ship-to-shore opportunity Project Status: Submitted
Principal Investigator: Helene D. Carton, LDEO Project Institution: LDEO
Project ID: 102978 Version #: 1
Date Submitted: 7/12/2011 9:37:00 AM Created By: Helene D. Carton
Date Last Modified: 2/17/2012 8:34:00 AM URI Serial #: None
Funding Agencies: NSF/EAR - EAR 1147622 - Funded
Summary of Field Work: This is an onshore-offshore add-on to program "Collaborative Research: Evolution and hydration of the Juan de Fuca crust and uppermost mantle: a plate-scale investigation from ridge to trench", by S. Carbotte and colleagues, planned for the summer of 2012. We are proposing to extend shooting (OBS component - no additional streamer operation) along the Washington margin transect by 52 km (to the shallowest water accessible), along the Oregon margin transect by 8 km, as well as shoot along 5 shorter lines on the shelf off Oregon totaling 440 km. Those shots will be recorded by the additional OBS's and land stations.
Summary of Facility Requirements: We require the R/V Langseth to operate in "2D" mode with the full airgun source array. We are requesting 6 short-period OBS's from the OBS Instrumentation Pool equipped with 3-component seismometers and hydrophone. We are requesting time on R/V Wecoma to carry out the deployment and recovery operations. We are requesting 48 USArray FlexArray short period instruments to record the airgun shots on land.
Summary of other requirements and comments:  
Ship Request Identification
Type of Request: Collaborative Ship Use Request Status: Submitted
Request ID: 1004637 Created By: Helene D. Carton
Date Last Modified: 7/12/2011 9:37:00 AM Date Submitted: 7/12/2011 9:37:00 AM
Requested Ship, Operating Days and Dates
Year: 2012 Ship/Facility: Marcus Langseth
Optimum Start Date: 7/1/2012 Dates to Avoid: July-September is the optimal weather window for working in NE Pacific.
Earliest Start Date: 7/1/2011 Multi-Ship Op: Yes
Latest Start Date: 9/1/2011 Other Ship(s): This is a two-ship survey with R/V Langseth carrying the airgun source and one 8-km streamer and R/V Wecoma performing OBS deployment and recovery operations.

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
3 0 0 0 3
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:
NE Pacific
Description of Op Area: NE Pacific off the Oregon/ Washington coast; wedge and shelf up to the shallowest water depth accessible (50-100m).
Op Area Size/Dia.:  
  Lat/Long Marsden Grid Navy Op Area
45.1° N / 125.5° W map
157 map
NP09 map
44.2° N / 124.3° W map
157 map
NP09 map
  Show Degrees Minutes    
Foreign Clearance and Permitting Requirements
Foreign Clearance Required? No 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
Work starts and finishes off Oregon. Ports indicated here are the same as in the Carbotte et al.' s ship time request.

 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 The same numbers have been used as in Carbotte et al.'s ship time request.
Instrumentation Requirements That Impact Scheduling Decisions
Unselected Dynamic PositioningUnselected ADCPUnselected 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.

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
Selected 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.
This is an add-on to Carbotte et al. two-ship MCS/OBS survey. We are proposing to deploy 6 additional OBS's from the OBSIP pool as well as 48 USArray FlexArray short period instruments in Oregon and Washington to record the airgun shots (from the initial program + additional shots this add-on).

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