Ship Request

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  Repeat Hydro/CO2  -  2019  -  Global  
  Project Information  
Project Title: Collaborative Research: Global Ocean Repeat Hydrography, Carbon, and Tracer Measurements, 2015-2020 Project Status: Submitted
Principal Investigator: James Swift, SIO Project Institution: SIO
Project ID: 104256 Version #: 7
Date Submitted: 2/13/2014 6:59:00 PM Created By: James Swift
Date Last Modified: 9/7/2018 2:38:00 PM URI Serial #: None
Funding Agencies: NSF/OCE/PO - 1437015 - Funded
Summary of Field Work: year Line leader days at sea start port end port

2015 P16_1 NOAA 68-71 (2 leg total) Papeete Honolulu
2015 P16_2 NOAA 68-71 (2 leg total) Honolulu Kodiak
2015 ARC01 UNOLS 5 days added to GEOTRACES Dutch Harbor Dutch Harbor
2016 P18_1 NOAA 75-80 (2 leg total) San Diego Easter Island
2016 P18_2 NOAA 75-80 (2 leg total) Easter Island Punta Arenas
2016 I08S UNOLS 38 Fremantle Fremantle
2016 I09N UNOLS 41 Fremantle Phuket
2016 I01E UNOLS 14 Phuket Columbo
2017 P06_1 UNOLS 42 Sydney Papeete
2017 P06_2 UNOLS 37 Papeete Valparaiso
2018 S04P +P16S & P18S to shelf UNOLS 67 Hobart Punta Arenas
2018 I07N NOAA 43 Durban Goa
2019 I05 UNOLS 55 Cape Town Fremantle
2019 I06S UNOLS 40 Cape Town Capetown
2020 A13.5 NOAA 42 Cape Town Takoradi (Ghana)



We plan to carry out trans-oceanic sections of reference-quality surface-to-bottom measurements of temperature, salinity, dissolved oxygen, nutrients, CFCs, carbon system parameters, and other tracers along the tracks of previously-occupied sections, chiefly from the WOCE era, so that the WOCE, CLIVAR, and new data can be compared.

This work is part of a systematic and global re-occupation of select hydrographic sections being carried out to quantify changes in storage and transport of heat, fresh water, carbon dioxide (CO2) and related parameters. By integrating the scientific needs of the carbon and hydrography/tracer communities, major synergies and cost savings are achieved.

The work consists of boundary-to-boundary sections of full-depth stations at nominal 30-nmile spacing in basin interiors (closer at boundaries and over bathymetric features) with one deployment per station of a CTDO/rosette system with 36 10-liter bottles and LADCP. The ship's standard underway ssytems including meteorology, surface seawater T/S/O2/pCO2/etc., centerline depth to bottom, navigation, hull-mounted ADCP, etc. are also used.

Argo float deployments are routinely done.

Program water column measurements include CTDO, salinity, oxygen, nutrients, CFCs, ocean carbon parameters, and various tracers.

Requests for ancillary sampling are commonly received in the year (or more) ahead of each cruise.
Summary of Facility Requirements: CTD winch (and spare CTD winch; or spare drum if replaceable at sea on main winch); must be able to level wind the wire used; must be suitable for conducting cable; modern slip-rings in good condition; read-outs for winch speed, tension, and wire out (prefer slave/remote read-outs also available in CTD lab); control of winch payout and recovery speed steady in range 0.1 - 1.0 meters/second (10-60 meters/minute), with smooth low-speed "inching" during deployment and recovery;

sheaves: adequate diameter and construction for UNOLS 0.322" CTD cable; guard to keep cable from jumping sheave when wire goes slack; anti-icing if used in icing conditions;

wire: UNOLS 0.322" CTD cables required on main CTD winch and spare; prefer 10,000 meters wire, but require at least 1000m more wire than depth of deepest cast; wire history available; lubricant/dressing history and chemical composition available if CFCs or trace organics are to be measured;

Will use nearly all lab space on UNOLS Global-class ship plus at least one lab van and 1-3 storage vans. No radioisotope use - in fact, ship must be swab-tested to be "clean" for 14C and tritium.

Some cruises use 50 or more standard compressed gas cylinders.

Normal ship's underway systems, including pCO2, used on all program cruises.
Summary of other requirements and comments: Swift assists logistics coordination for UNOLS, USCG, and USAP cruises for the program. Swift will hand off cruise planning to the chief scientist for each cruise. The chief scientist is selected by the science oversight committee (chairs: L. Talley and R. Feely) ca. one year ahead of each cruise.

Ports listed are commonly-used ports convenient to the ends of the transects. Other ports can be used, but may change total days at sea for a given cruise.

It is common for the program to receive requests for additional sampling, sometimes requiring extra ship time, ahead of a given cruise. NSF has asked that, whenever possible, such requests be made a year ahead of a given cruise so that agency consideration can be given to the overall costs of the extra days.

Shipboard complement for the core program is about 24 persons, not including foreign observers (if required), resident technicians, or personnel from add-on ancillary programs (typically 1-12 extra persons for ancillary prorgams).

There is confusion regarding the definitions of terms on the UNOLS ship time request forms in terms of days requested. Due to complicated loading, each cruise requires 4 days on in-port loading (except for 102 cruises with multi-day transits to the first station, in which case 3 full days of loading may be sufficient). Each cruise also requires 2 days in port at the end of the cruise for unloading, except when the final stations are very close to port, in which case an extra day in port is required to analyze the final samples from sea.

The Arctic cruise for the program in 2015 was established by agreement with US GEOTRACES to slightly enhance their approved-for-funding 2015 Arctic Ocean cruise on USCGC Healy by adding 5 extra days to their 58 day request (total now 63 days at sea), 6 extra techs, 24 extra stations, and 2 lab vans (or equivalent lab space). So our ship-time request here is only for the 5 extra days.
Ship Request Identification
Type of Request: Primary Ship Use Request Status: Submitted
Request ID: 1006845 Created By: James Swift
Date Last Modified: 9/7/2018 2:38:00 PM Date Submitted: 2/13/2014 6:59:00 PM
Requested Ship, Operating Days and Dates
Year: 2019 Ship/Facility: Global
Optimum Start Date: 2/4/2019 Dates to Avoid: This is the I06S ship-time request.

The main issue regarding dates is to be at the southern end of the line near the time of the local sea ice minimum (mid-February). The line can be run in either direction, but with a slight preference to run north to south.
 
 
Earliest Start Date: 1/1/2019 Multi-Ship Op: No
Latest Start Date: 2/20/2019 Other Ship(s): N/A

Operating Days Needed: Science Days Mob Days De-Mob Days Estimated Transit Days Total Days
40 4 2 0 46
Repeating Cruise?
(within same year)
No Interval:   # of Cruises:  

Description of Repeating cruise requirements: The 40 days is for 40 UNOLS days at sea (not counting any port days). Four full days of loading are required at the start port. If the final station is very close to the end port, it is possible that an extra in-port day could be required too analyze the final seawater samples on board.
Justification/Explanation for ship choice, dates,
conflicts, number of days & multi-ship operations:
Global class ship required.

Actual science days (40) is the number of UNOLS days at sea required, based on the requested ports, not including any port time.

The cruise can be run in either direction.
Work Area for Cruise
Short Description of Op Area
for use in schedules:
South Indian
Description of Op Area: This is the I06S cruise.

This is a transect across the Antarctic Circumpolar Current between South Africa and the Antarctic continental shelf. To reach the shelf break with a global-class ship, the southern end should be reached at the time of the local sea ice minimum
Op Area Size/Dia.: 2200
 
  Lat/Long Marsden Grid Navy Op Area
Beginning
33.2° S / 28° E map
441 map
SA04 map
Ending
68.6° S / 33.7° E map
548 map
AN03 map
  Show Degrees Minutes    
Foreign Clearance and Permitting Requirements
Foreign Clearance Required? Yes Coastal States:

South Africa
 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.)
EEZ clearance from South Africa is needed. We plan to carry out some of our CTD stations and to operate standard underway systems in South African waters.)
Port Calls
Requested Start Port Intermediate Port(s) Requested End Port
Cape Town, South Africa None Cape Town, South Africa
Explanation/justification for requested
ports and dates of intermediate stops
or to list additional port stops
Cruise can be run in either direction. Can used Durban as a start and/or end port, but prefer CapeTown.

 Important Info on Working in Foreign Ports

 
Science Party
Chief Scientist: James Swift, SIO
# in Science Party 28 # of different science teams 1 # Marine Technicians to be
provided by ship operator:
(include in science party total)
2
Explanation of Science Party Requirements and Technician Requirements We expect at least 24 in the main science party plus two res techs, for 26 total. Ancillary programs not yet proposed will likely increase science party size by at least a few persons. On some UNOLS cruises we have had as many as 38 aboard (including res techs) in the science party.
Instrumentation Requirements That Impact Scheduling Decisions
Selected Dynamic PositioningSelected ADCPSelected 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
3 PI-Provided Vans - briefly describe Unselected MOCNESS  
Explain Instrumentation or Capability
requirements that could affect choice
of ship in scheduling.

Multibeam is used only in "raw" mode to inspect bathymetry along track and near stations. Centerline depth to bottom is, however, required along track and at stations. Dynamic positioning is used to hold station position and maintain wire safety. There is usually one lab van and 1-2 storage vans for this program. Ship must be swab-tested to verify lack of contamination for 14C and tritium.

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.
Normally we use a PMEL-supplied lab van for the DIC measurements. There will be 1-2 science-supplied storage vans as well.

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