Ship Request

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  Alkalinity flux  -  2021  -  Savannah  
  Project Information  
Project Title: Role of Riverine Discharge on the Benthic Flux of Alkalinity to Continental Margins Project Status: Submitted
Principal Investigator: Martial Taillefert, GaTech Project Institution: GaTech
Project ID: 106599 Version #: 2
Date Submitted: 8/13/2019 10:03:00 PM Created By: Martial Taillefert
Date Last Modified: 4/3/2020 9:05:00 PM URI Serial #: None
Funding Agencies: NSF/OCE/CO - 1948914 - Funded
Summary of Field Work: Benthic lander deployments; MC-800 multi-corer needed to collect sediment cores, and CTD casts
Summary of Facility Requirements: wet and dry lab space; A-frame for benthic lander deployments (tethered to surface or free lander) and multi-corer deployments to ~1500 m water depth
Summary of other requirements and comments:  
Ship Request Identification
Type of Request: Primary Ship Use Request Status: Submitted
Request ID: 1010663 Created By: Martial Taillefert
Date Last Modified: 8/14/2019 5:28:00 PM Date Submitted: 8/13/2019 10:03:00 PM
Requested Ship, Operating Days and Dates
Year: 2021 Ship/Facility: Savannah
Optimum Start Date: 7/12/2021 Dates to Avoid: Mid-summer is needed to catch the return of the Mississippi River to baseflow conditions. November-December season needed to catch the end of the low discharge season for repeated cruise. The 3rd cruise is one-day long as part of a course at Georgia Tech and can only be taken on March 6 to match course requirements.
Earliest Start Date: 7/8/2021 Multi-Ship Op: No
Latest Start Date: 7/19/2021 Other Ship(s): N/A

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
34 2 2 24 62
Repeating Cruise?
(within same year)
Yes Interval: 3-4 months # of Cruises: 3

Description of Repeating cruise requirements: This project investigates the effect of Mississippi River discharge to the Louisiana shelf and slope. The repeating cruise has to be scheduled in the winter at the end of the low discharge period (preferably end of November (departure on Nov. 15).
Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations:
It is important to catch the return of the Mississippi River discharge to baseflow conditions, typically in mid-July. It is also important to repeat the cruise during the Winter (November-January period) at the end of the low discharge conditions. We have long experience with the RV Savannah crew for deployments of our benthic landers in shallow and deep waters. Their expertise is key to the success of the research objectives.
Work Area for Cruise
Short Description of Op Area
for use in schedules:
Louisiana Shelf
Description of Op Area: Two transects from the Mississippi River mouth to the Louisiana Shelf (hypoxic zone) and slope across the Mississippi Canyon
Op Area Size/Dia.: 100
  Lat/Long Marsden Grid Navy Op Area
28.9° N / 88.63° W map
81 map
NA09 map
28.8° N / 91.32° W map
82 map
NA09 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
Savannah, GA, USA None Savannah, GA, 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: Martial Taillefert, GaTech
# in Science Party 12 # of different science teams 3 # Marine Technicians to be
provided by ship operator:
(include in science party total)
Explanation of Science Party Requirements and Technician Requirements Large science crew request to handle deck work and lab work. Technician should provide CTD, trawl winch for sediment coring and lander deployments (2-3 landers), and surface data acquisition system
Instrumentation Requirements That Impact Scheduling Decisions
Unselected Dynamic PositioningSelected 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 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.

Need multi-corer (MC-800) to collect sediments to ~1500 m water depth. Deck space is required for two or three benthic landers that will be provided by the science crew for deployments in shelf and slope.

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 Selected 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.
MC800 multicorer for sediment coring down to 1500 m water depth (MISO not required as ship cannot accommodate)

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