Ship Request

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  Aleutian GPSA  -  2020  -  Sikuliaq  
  Project Information  
Project Title: Collaborative Research: Measuring strain along the Aleutian subduction zone trench to better constrain seismic and tsunami hazard Project Status: Submitted
Principal Investigator: Spahr C. Webb, LDEO Project Institution: LDEO
Project ID: 105412 Version #: 4
Date Submitted: 8/4/2016 12:15:00 PM Created By: Spahr C. Webb
Date Last Modified: 1/4/2021 9:03:00 PM URI Serial #: None
Funding Agencies: NSF/OCE/MGG - 1656413 - Funded
Summary of Field Work: We will deploy 9 transponders for GPSA measurements to measure strain accumulation at three sites south of the Aleutian Peninsula. A waveglider system will be used to survey the transponders on the seafloor. The transponders will be recovered two years later. We will deploy a waveglider twice to determine the exact position of the sites two years apart to measure the rate of strain accumulation across the Aleutian subduction zone to better constrain seismic tsunami risk.
Summary of Facility Requirements: We require several CTD casts and a crane to lift the transponders, waveglider and benchmarks over the side of the ship and to recover the transponders and waveglider at the end of the deployment. We require a multibeam sonar to place the transponders onto appropriate sea floor regions.
Summary of other requirements and comments: We originally specified the Sikuliaq because it is ported in Alaska, but any ship with crane, CTD and multibeam sonar would work.

The first year GPSA deployments can be done in conjunction with the Alaska OBS community experiment during the deployment leg for the LDEO OBSs by adding three days to this leg. This assumes the R/V Sally Ride or larger ship is used.
Ship Request Identification
Type of Request: Collaborative Ship Use Request Status: Submitted
Request ID: 1011263 Created By: Spahr C. Webb
Date Last Modified: 9/9/2020 12:19:00 AM Date Submitted: 9/9/2020 12:19:00 AM
Requested Ship, Operating Days and Dates
Year: 2020 Ship/Facility: Sikuliaq
Optimum Start Date: 9/14/2020 Dates to Avoid: Add one day to transit leg on James Pickart leg and one day to transit on Robert Pickart leg
Earliest Start Date: 9/14/2020 Multi-Ship Op: No
Latest Start Date: 10/30/2020 Other Ship(s): Sikuliaq

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
2 0 0 0 2
Repeating Cruise?
(within same year)
No Interval:   # of Cruises:  

Description of Repeating cruise requirements: adding days to existing cruises to deploy/recovery wavegliders for a roughly one month deployment.
Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations:
Adding to currently scheduled cruises on the Sikuliaq
Work Area for Cruise
Short Description of Op Area
for use in schedules:
Shumagin Island
Description of Op Area: near Shumagin Islands
Op Area Size/Dia.: 300
  Lat/Long Marsden Grid Navy Op Area
55° N / 158° W map
196 map
NP06 map
54° N / 160° W map
197 map
NP05 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? Yes
 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.)
work is south of Alaska
Port Calls
Requested Start Port Intermediate Port(s) Requested End Port
Seward, AK, USA None Seward, AK, USA
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops
adding days to currently planned cruises

 Important Info on Working in Foreign Ports

Science Party
Chief Scientist: Scott L. Nooner, UNCW
# in Science Party 1 # 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 wavegliders will be deployed and recovered by the technicians on board the ship.
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.

adding one day to two already planned cruises

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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