Ship Request

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  DOC and gels  -  2018  -  Thomas G. Thompson  
  Project Information  
Project Title: Collaborative proposal: DOC removal in the ocean according to gel theory. Project Status: Submitted
Principal Investigator: Monica V. Orellana, UW_APL Project Institution: UW_APL
Project ID: 105173 Version #: 1
Date Submitted: 2/10/2016 12:03:00 PM Created By: Monica V. Orellana
Date Last Modified: 7/6/2016 4:40:00 PM URI Serial #: None
Funding Agencies: NSF/OCE/CO - 1634009 - Funded
Summary of Field Work: This research focuses on understanding the dynamics and bioreactivity of marine dissolved organic carbon (DOC). At 662 PgC, DOC is a massive carbon reservoir about which we know little mechanistically (Hansell et al. 2009). An important fraction of the DOC pool (10-30%) assembles to form a nutrient-rich pool of “microgels”, thereby converting dispersed recalcitrant DOC to a particulate form more directly accessible to the microbial loop. The goal of this proposal is to understand DOC/gel dynamics and bioreactivity in North Pacific waters, applying a gel conceptual framework as a predictive theory for assessing colloidal processes and controlling factors. The North Pacific contains the lowest DOC concentrations (35 µM) and oldest radiocarbon ages (up to 6000 y.o.) found in the open oceans, making it a suitable study region for investigating low bioreactivity. The deep waters of the region contain a large pool of RDOC, while the surface waters contain higher concentrations of more labile components and inherently greater variability. This work, including both lab study and field work along Line P, will validate polymer gel theory as a predictive tool to explain DOC bioreactivity and dynamics in the ocean by characterizing gel assembly kinetics and thermodynamics, their annealing and aggregation into larger particles, as well as the effects of volume phase transition phenomena with respect to changes in environmental parameters (pH, temperature). Our goal is to provide a mechanistic model to explain DOC polymer reactivity and distribution, their skewedness toward low molecular weight, and insights on why the refractory DOC pool is exemplified by aged, short chain molecules.

We request 12 days of ship time on August 2018 to occupy the Sub-Arctic North Pacific (LIne P).
Summary of Facility Requirements: Facility Requirements: We will need a CTD/rosette, cable to 4000m, space for incubation's on deck with running water, and laboratory space (wet and dry) for instrumentation.
Summary of other requirements and comments:  
Ship Request Identification
Type of Request: Primary Ship Use Request Status: Submitted
Request ID: 1008315 Created By: Monica V. Orellana
Date Last Modified: 2/10/2016 12:03:00 PM Date Submitted: 2/10/2016 12:03:00 PM
Requested Ship, Operating Days and Dates
Year: 2018 Ship/Facility: Thomas G. Thompson
Optimum Start Date: 8/1/2018 Dates to Avoid: earlier side of august 2018
Earliest Start Date: 8/1/2018 Multi-Ship Op: No
Latest Start Date: 8/12/2018 Other Ship(s): none

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
10 1 1 2 14
Repeating Cruise?
(within same year)
No Interval: 0 # of Cruises:  

Description of Repeating cruise requirements: none
Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations:
Thought Thompson would be best because it's UW, but will take another ship if needed.
Work Area for Cruise
Short Description of Op Area
for use in schedules:
Line P
Description of Op Area: Gulf of Alaska, going to St Papa
Op Area Size/Dia.: 1400
  Lat/Long Marsden Grid Navy Op Area
47.1° N / 122.05° W map
157 map
NP09 map
47.1° N / 122.05° 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, , None, Seattle, WA, USA
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops

 Important Info on Working in Foreign Ports

Science Party
Chief Scientist: Monica V. Orellana, UW_APL
# in Science Party 8 # 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 CTD operation, tech needed to launch and bring on back on board
Instrumentation Requirements That Impact Scheduling Decisions
Selected 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 DivingSelected Radioisotope use - briefly describeUnselected NO Radioisotope use/Natural level workUnselected 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.

1. Small experiments with radioisotopes, not sure if van is needed, a laminar hood would be OK.
2. incubations on deck
3. will need freezers

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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