Ship Request

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  N2-Fixation in GoMex  -  2012  -  Intermediate  
  Project Information  
Project Title: Collaborative Research: Nitrogen fixation, nutrient supply, and biological production in the Gulf of Mexico Project Status: Submitted
Principal Investigator: Joseph Montoya, GaTech Project Institution: GaTech
Project ID: 101947 Version #: 5
Date Submitted: 2/17/2009 9:16:00 AM Created By: Joseph Montoya
Date Last Modified: 4/15/2011 4:54:00 PM URI Serial #: None
Funding Agencies: NSF/OCE/BIO - 0928495 - Funded
Summary of Field Work: We propose two cruises to the Gulf of Mexico. These cruises will allow us to survey waters previously undersampled with respect to the diversity and activity of N2-fixing organisms. We will focus on areas affected by the MIssissippi plume as well as mesoscale features. At sea, we will collect water samples for analysis and experimentation using a CTD/rosette as well as pump systems for surface water. We will carry out an extensive suite of experiments to measure the rates of N2-fixation as well as the diversity of diazotrophs in these waters.
Summary of Facility Requirements: We need a CTD/rosette, a mocness system, a hydrowire for deploying nets, and provision for deploying hand nets from on deck. We also need deck space for flowing seawater incubators and lab space for filtrations, nutrient chemistry, microscopy, and other lab analyses.
Summary of other requirements and comments: T. Villareal's group plans to sample Trichodesmium and large diatoms using SCUBA.
Ship Request Identification
Type of Request: Primary Ship Use Request Status: Submitted
Request ID: 1004547 Created By: Joseph Montoya
Date Last Modified: 4/15/2011 4:54:00 PM Date Submitted: 4/15/2011 4:54:00 PM
Requested Ship, Operating Days and Dates
Year: 2012 Ship/Facility: Intermediate
Optimum Start Date: 5/12/2012 Dates to Avoid: We need to avoid scheduling conflicts with a potential third ANACONDAS cruise (P. Yager, lead PI). We need a minimum of several weeks to turn our gear around from one cruise to the next.
Earliest Start Date: 5/1/2012 Multi-Ship Op: Yes
Latest Start Date: 6/4/2012 Other Ship(s): We need the equivalent of Oceanus/Endeavor plus the Cape Hatteras, or a large (global) vessel to accommodate this project.

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
24 2 1 2 29
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:
We are requesting a third cruise for this project b/c our first cruise (Aug/Sep 2010) was retasked to focus on the BP Deepwater Horizon oil spill and its impacts. We have discussed this with David Garrison, who is expecting this request.
Work Area for Cruise
Short Description of Op Area
for use in schedules:
Gulf of Mexico
Description of Op Area: Northern Gulf of Mexico, focusing on regions in the Eastern Gulf affected by the Mississippi outflow and sampling mesoscale eddies throughout the N. Gulf. We will also devote a few days to followup studies in the vicinity of MC252
Op Area Size/Dia.:  
  Lat/Long Marsden Grid Navy Op Area
81 map
NA09 map
81 map
NA09 map
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
Gulfport, MS, USA Gulfport, MS, USA Gulfport, MS, 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: Joseph Montoya, GaTech
# in Science Party 26 # of different science teams 4 # Marine Technicians to be
provided by ship operator:
(include in science party total)
Explanation of Science Party Requirements and Technician Requirements From prior experience, the absolute minimum size science party for our core work at sea is about 14 persons and 20 is typical. We have a strong record of involving collaborators in our work at sea and typically have members of at least 3 or 4 outside labs join us at sea.
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
Selected SCUBA DivingSelected Radioisotope use - briefly describeUnselected NO Radioisotope use/Natural level workSelected Other Operator Provided Inst. - Describe
2 PI-Provided Vans - briefly describe Unselected MOCNESS  
Explain Instrumentation or Capability
requirements that could affect choice
of ship in scheduling.

We will carry out stable isotope (15N, 13C) tracer experiments and expect that collaborators (Mandy Joye's group) will carry out 3H and potentially 14C experiments. We will need a meter mocness for zooplankton sampling and an mc-800 or equivalent multicorer for bottom sampling. If hold space isn't available for our shipping crates and other gear, we'll need a storage van on deck or arrangements to store gear in Gulfport as we've done in the past. T. Villareal's group plans to sample Trichodesmium and large diatoms by free diving and potentially scuba.

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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