Ship Request

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  Cascadia Gas Hydrate  -  2014  -  Thomas G. Thompson  
  Project Information  
Project Title: Characterizing the Response of the Cascadia Margin Gas Hydrate Reservoir to Bottom Water Warming Along the Upper Continental Slope Project Status: Submitted
Principal Investigator: Evan A. Solomon, UW Project Institution: UW
Project ID: 104119 Version #: 1
Date Submitted: 10/24/2013 8:07:00 PM Created By: Evan A. Solomon
Date Last Modified: 10/24/2013 8:07:00 PM URI Serial #: None
Funding Agencies: DOE - DOE/DE-FE0013998 - Funded
INST/UW - NONE - To Be Submitted
Summary of Field Work: We will conduct a systematic geophysical and geochemical survey of methane seepage along the upper continental slope of the WA margin. Currently we plan for an eight-day field program using the R/V Thompson. The survey will be anchored by the bubble plume imaged and sampled at the feather-edge of the gas hydrate stability field in January 2013 (called the Fisherman's plume at 47 55.84 N, 125 38.23 W). The expedition will consist of an EM302 multi-beam survey of bubble plumes along the feather-edge of gas hydrate stability that is defined by the thermal models and a BSR map to test if seepage is widespread and to quantify the methane flux into the water column. At the Fisherman’s Plume and another plume imaged in our EM302 survey, we would collect both pore fluid samples via piston and/or gravity core and a grid of water column samples via CTD/rosette in the bubble plume and downstream of the bubble plume for geochemical analyses appropriate for (1) fingerprinting gas hydrate dissociation as a source of the methane emitted (Cl, d18O, dD, d13C-CH4, minor element concentrations and isotope ratios, and noble gas ratios) and (2) tracing the source, sinks, and flux of methane in the sediment and water column. The cores at the seep sites will constrain methane dynamics within the sediments, and the data from CTD casts downstream of the plumes will quantify the methane oxidized in the water column and residual flux of methane to the atmosphere.
Summary of Facility Requirements: EM302 multibeam, require mid-water column dongle
3.5 kHz echosounder
ADCP
meteorological data
CTD/rosette
Gravity and piston core
Summary of other requirements and comments:  
Ship Request Identification
Type of Request: Primary Ship Use Request Status: Submitted
Request ID: 1006585 Created By: Evan A. Solomon
Date Last Modified: 10/24/2013 8:07:00 PM Date Submitted: 10/24/2013 8:07:00 PM
Requested Ship, Operating Days and Dates
Year: 2014 Ship/Facility: Thomas G. Thompson
Optimum Start Date: 10/10/2014 Dates to Avoid:  
 
 
Earliest Start Date: 8/1/2014 Multi-Ship Op: No
Latest Start Date: 10/20/2014 Other Ship(s):

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
8 0 0 0 8
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:
WA Slope
Description of Op Area: We will be conducting a geophysical/geochemical survey (transect) targeting the 500 m isobath along the upper continental slope of the WA margin. The survey will run from the northern tip of WA to about 47 deg N
Op Area Size/Dia.: about 5 nmi wide x 60 nmi long
 
  Lat/Long Marsden Grid Navy Op Area
Beginning
48° N / 124.75° W map
157 map
NP09 map
Ending
47° N / 125.8° 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
Seattle, WA, USA None Seattle, WA, USA
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops
Start port would be University of Washington and end port would be University of Washington

 Important Info on Working in Foreign Ports

 
Science Party
Chief Scientist: Evan A. Solomon, UW
# in Science Party 25 # of different science teams 1 # Marine Technicians to be
provided by ship operator:
(include in science party total)
3
Explanation of Science Party Requirements and Technician Requirements We will require technicians to run the EM302 and 3.5 kHz, ADCP, and to assist with over-the-side operations
Instrumentation Requirements That Impact Scheduling Decisions
Selected Dynamic PositioningUnselected ADCPSelected MultibeamUnselected Seismic
Selected Dredging/Coring/Large Dia. Trawl WireUnselected Stern A-frameUnselected Fiber Optic (.681)Unselected 0.680 Coax Wire
Unselected SCUBA DivingUnselected Radioisotope use - briefly describeSelected 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)
Aircraft
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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