Ship Request

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  Chile post-seismic  -  2012  -  Roger Revelle  
  Project Information  
Project Title: Collaborative Research: Post-seismic response updip of the Chilean megathrust earthquake of February 27, 2010 Project Status: Submitted
Principal Investigator: Anne M. Trehu, OSU_COAS Project Institution: OSU_COAS
Project ID: 102852 Version #: 2
Date Submitted: 2/12/2011 11:32:00 AM Created By: Anne M. Trehu
Date Last Modified: 6/21/2011 9:03:00 AM URI Serial #: None
Funding Agencies: NSF/OCE/MGG - 1130013 - Funded
Summary of Field Work: Deployment of 10 broadband OBSs equiped with seafloor flow meters on the accretionary complex offshore central Chile in water depths of 2000-5300 m.

Acquisition of high-resolution seismic reflection data using a short multichannel streamer and GI guns. (first cruise only)

Swath bathymetry, magnetics, gravity

Gravity cores (second cruise only)
Summary of Facility Requirements: Need adequate deck space and cranes to handle OBSs on deck. Need air compressor in yr 1 for seismic reflection.
Summary of other requirements and comments:  
Ship Request Identification
Type of Request: Primary Ship Use Request Status: Submitted
Request ID: 1004400 Created By: Anne M. Trehu
Date Last Modified: 2/12/2011 11:37:00 AM Date Submitted: 2/12/2011 11:32:00 AM
Requested Ship, Operating Days and Dates
Year: 2012 Ship/Facility: Roger Revelle
Optimum Start Date: 4/1/2012 Dates to Avoid: July-September (possibility of winter storms); December-February (strong southerly winds likely)
Earliest Start Date:   Multi-Ship Op: No
Latest Start Date:   Other Ship(s):

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
12 2 1 1 16
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:
central Chile
Description of Op Area: continental margin of south-central Chile halfway between Valparaiso and Conception
Op Area Size/Dia.: ~100
  Lat/Long Marsden Grid Navy Op Area
33.5° S / 73.5° W map
415 map
SP06A map
35.5° S / 72.5° W map
415 map
SP06A 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
Bahia de Valparaiso, Chile None Bahia de Valparaiso, Chile
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops
Valparaiso is the closest major port to the field area and is only ~120 nm away.

 Important Info on Working in Foreign Ports

Science Party
Chief Scientist: Anne M. Trehu, OSU_COAS
# in Science Party 14 # of different science teams 3 # 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
Unselected 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.

Portable high-resolution seismic system needed (e.g. SIO system) with shipboard (rather than portable) compressor adequate to charge 2 GI guns at 10 s repetition rate.

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 groupSelected 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.
10 broadband OBSs equiped with SIO flow meters have been requested.

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