Ship Request

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  sediment DOC  -  2013  -  New Horizon  
  Project Information  
Project Title: Dissolved organic carbon (DOC) transformations in deep sub-surface sediments and its role as a source of "old" DOC to the water column Project Status: Submitted
Principal Investigator: Tomoko Komada, SFSU Project Institution: SFSU
Project ID: 103011 Version #: 3
Date Submitted: 8/11/2011 3:05:00 PM Created By: Tomoko Komada
Date Last Modified: 9/14/2012 3:33:00 PM URI Serial #: None
Funding Agencies: NSF/OCE/CO - 1240645 - Funded
Summary of Field Work: We propose to collect sediment cores from two locations: center of the Santa Barbara Basin (SBB) and center of the Santa Monica Basin (SMB) in July 2012 (Yr-1) and July 2013 (Yr-2). At both locations, we will collect surface sediments (0-50 cm) using a multi corer. We will also collect longer cores (up to 4 m) using a gravity corer in SBB , and a piston corer and/or Kasten corer in SMB. The need for a piston corer and Kasten corer for SMB arises from the fact that there are sandy turbidites at this location which is difficult/impossible to penetrate with a gravity corer (a reconnaissance survey conducted in 2012 in the SMB using a gravity corer confirmed the inadequacy of gravity corer for this site).

As the cores come on deck, they will be processed (extruded, sliced, then centrifuged or squeezed) right away to collect porewater samples and solid phase samples. Most of this work will be done in a refrigerated van. Gravity/piston/Kasten cores will first be processed on deck (cut into shorter segments; collect sediment plugs, etc) prior to porewater extraction. Most samples will be preserved for later analyses, but a subset of them will be analyzed on ship.

We will also collect surface- and bottom-water samples using a Go-Flo bottle.

Key analytes are as follows: dissolved organic carbon (DOC), methane, DIC, sulfate, nutrients, some major ions; natural 14C and 13C of DOC, methane, DIC.
Summary of Facility Requirements: CORING AND WATER COLUMN SAMPLING: A multicorer that will allow recovery of “intact” sediment-water interfaces for high-resolution porewater sampling. A gravity corer that will give us at least 2m-long cores from SBB. A standard piston corer and possibly a Kasten corer that will give us >3m-long cores from SMB. CTD and Niskin bottles. We will also deploy our own Go-Flo bottle.

CORE PROCESSING: We need sufficient deck space to handle the gravity cores and piston cores, and to cut them into manageable pieces. We need a refrigerated van to: (1) store multi-cores and sections of gravity/piston/Kasten cores, and (2) extrude the cores in an N2 atmosphere. We also need lab space for methane collection, and for general sample processing (centrifugation, filtration, some analyses including GC, titration). A torch will also be used in the lab. We expect at least 10 compressed gas tanks to be on board.
Summary of other requirements and comments: A major purpose of our work is to determine natural 14C signatures of dissolved- and solid-phase carbon in these sediments, including DOC which is notorious for its susceptibility to contamination. It is therefore critical that we have a “clean” working environment with minimal potential for 14C and organic carbon contamination. We will need to use a research vessel that has been swabbed for 14C, and refrigerated vans that have not been used for isotope tracers.
Ship Request Identification
Type of Request: Primary Ship Use Request Status: Submitted
Request ID: 1004828 Created By: Tomoko Komada
Date Last Modified: 9/14/2012 3:33:00 PM Date Submitted: 8/11/2011 3:05:00 PM
Requested Ship, Operating Days and Dates
Year: 2013 Ship/Facility: New Horizon
Optimum Start Date: 7/20/2013 Dates to Avoid: All PIs have academic appointments and teaching responsibilities. May is impossible because school is in session; fall semester starts late Aug. June is very difficult, because we will not have sufficient time to prepare for the the cruise while spring semester is in session. Early July creates conflicts for 2 co-PIs.
 
 
Earliest Start Date: 7/20/2013 Multi-Ship Op: No
Latest Start Date: 8/7/2013 Other Ship(s):
Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
7 2 1 2 12
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:		 CA Borderland
Description of Op Area: Santa Monica Basin and Santa Barbara Basin
Op Area Size/Dia.: one station per basin
 
  Lat/Long Marsden Grid Navy Op Area
Beginning
33.38° N / 118.46° W map
120 map
NP09 map
Ending
34.13° N / 119.59° W map
120 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
San Diego, CA, USA None San Diego, CA, USA
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops		 This port is closest to our area of investigation. Moss Landing is not a viable option, because the Pt. Sur can not accommodate the cold van required for our work.

 Important Info on Working in Foreign Ports

 
Science Party
Chief Scientist: Tomoko Komada, SFSU
# in Science Party 12 # of different science teams 3 # Marine Technicians to be
provided by ship operator:
(include in science party total)
 2
Explanation of Science Party Requirements and Technician Requirements Each science team will be responsible for a particular set of tasks, including coring, core slicing, and porewater collection. 2-4 individuals will be needed per science team to accomplish this. One Res-Tech from SIO is requested to assist us with general shipboard operations. In addition, we request a coring specialist (along with coring gear) from Oregon State University to assist us with piston-, Kasten-, gravity-coring.
Instrumentation Requirements That Impact Scheduling Decisions
Unselected Dynamic PositioningUnselected ADCPUnselected 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 workSelected Other Operator Provided Inst. - Describe
1 PI-Provided Vans - briefly describe Unselected MOCNESS  
Explain Instrumentation or Capability
requirements that could affect choice
of ship in scheduling.

We request a multicorer, a gravity corer (3 m tube length), a standard piston corer (>=3m), and a Kasten corer (>=3 m). In Aug 2012, we conducted a reconnaissance survey of our Santa Monica Basin site using a gravity corer and found that it does not penetrate deep enough for us to collect the sulfate-methane transition (SMT) zone. There is record of successful pore-water collection through the SMT from this site using a piston core (EW9504-07PC). We have also been informed by OSU coring specialist that a Kasten corer might also work. We would hence like to request both.

An isotope-free refrigerated van is requested to process the cores at in situ temperature.

We will also need a hydro winch with 0.25" wire for Go-Flo casts.

We will be collecting DOC samples for natural 14C, hence the ship and van must be swabbed prior to the cruise.
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/telemetrySelected 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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