AT18-16

Ship

R/V Atlantis

Vehicles

ROV Jason

Cruise Party

Chris German: Chief Scientist, Principal Investigator
Woods Hole Oceanographic Institution Clark 241, MS#22 Woods Hole, Ma. USA 02543
+1 508 289 2853
cgerman@whoi.edu

Departure: Port Everglads on Jan 3, 2012

Arrival: Key West on Jan 25, 2012

Mobilization Date: Dec 30, 2011

Demobilization Date: Jan 26, 2012

Supporting documentation:

»BasicMaps.ppt

Operations Area: Mid Cayman Rise

Lat/Lon: 18° 30.0′ N / 81° 45.0′ W

Depth Range: 2300 / 5000

Will the vessel be operating within 200 NM of a foreign country? Grand Cayman
Are visas or special travel documents required? no

Science objectives

This proposal will seek to charaterize the geology, geochemistry, microbiology and macrobiology of two new hydrothermal fields on the Mid Cayman Rise - the Piccard hydrothermal field at ~5000m depth near 18deg33min N, 81deg 43minW and the Von Damm hydrothermal field at ~2300m depth near 18deg23min N, 81deg48minW

Science Activities

1) Deployment of transponders for LBL at one or both sites
2) Jason-based Geophysical surveys (Reson + Gravity ± Magnetics) at each site (24h)
3) Jason-based sampling (5-6 days at each site) to include: fluids (Seewald +/- Major pairs); sulfides (young with fluids and older); rocks; push cores; microbial mats (pumps including Chip Breier's SUPR sampler); macro-biology (shrimp, tubeworms, gastropods, other vent-endemic fauna, fish)
4) CTD operations including use of SUPR sampler mounted on CTD-rosette
5) Multibeam mapping of seafloor +/- imaging for plumes using new ship's multibeam (effective to >2000m on Juan de Fuca in 2011)

Pre-cruise planning meeting: Teleconference/Visit WHOI

Stations:

  Piccard
  Distance: null
  Days: 7
  Latitude: 18° 33.0’ N
  Longitude: 81° 43.0’ W

  Von Damm
  Distance: null
  Days: 7
  Latitude: 18° 23.0’ N
  Longitude: 81° 48.0’ W

Funding Agency: NASA #NNX09AB75G, NSF #OCE-0926805, NSF #OCE-1061863

- added NASA #NNX09AB75G on Oct 3, 2011 6:09 PM by
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R/V Atlantis

Shipboard Equipment

12 kHz Pinger for Wire Use
Bathymetry System 12 kHz
Deionized Water System
Fume Hood
Multibeam
Navigation - Heading
Navigation - Position
Relay Transponder for Wire Use
Sippican XBT System (Mark 21)
Transponder Navigation - Sonardyne USBL
Science Underway Seawater System
Gravimeter
Bathymetry System 3.5 kHz

Shipboard Communication

Basic Internet access via HiSeasNet

CTD/Water Sampling

911+ Rosette 24-position, 10-liter bottle Rosette with dual T/C sensors
SBE43 oxygen sensor
Seapoint STM turbidity sensor
Wet Labs C*Star transmissometer (660nm wavelength)
Wet Labs ECO-AFL fluorometer

Critical CTD Sensors: 

CTD-Related Equipment

Lowered Acoustic Doppler Current Profiler (LADCP)

Sample Storage

Climate Controlled Walk-in
Freezer -70°C 3.2 cu. ft. ea.
Freezer -70°C 25 cu. ft.
Refrigerator 8.6 cu. ft.
Scientific Walk-in Freezer


Storage Notes: Microbiology: we also need a -20°C freezer

Navigation

Will you be using Long Base Line (LBL) navigation? no

Will you be using Ultra-short baseline (USBL) navigation for other than Alvin operations? no

Navigation

GPS
LBL
USBL

Navigation Notes: Both LBL and USBL useful for Jason nav at these depths

Winches

CTD Winch with .322" Electro-mechanical wire
Trawl Winch with .681 fiber optic

Winch Notes: Only Jason and CTD operations are anticipated this cruise

Wire use and application

CTD Winch with .322" Electro-mechanical wire
Trawl Winch with .681 fiber optic


Wire Notes: SUPR sampler mounted on CTD rosette frame or on Jason. For CTD ops, we would like to use the adsl model package put together by Marshal Swartz - to do so all 3 conducting wires of the CTD seacable must have full conductivity.

On the CTD the SUPR sampler will have these weights: 60 kg in water, 100 kg in air
On Jason the SUPR sampler will have 2 configurations
Config. A (1 unit) 15 kg in water, 30 kg in air
Config. B (3 units) 45 kg in water, 118 kg in air - includes 28 L of water

The Mat Sampler (Breier's) will also be used by Huber and Breier on Jason and weighs 25 kg in water and 50 kg in air.

Slip ring required? no	Number of conductors:
Non-standard wire required? no	Type:
Traction winch required? no	Describe:

Other Science Vans:

Specialized Deck Equipment

Mooring Deployment/Recovery Equipment Required: no	Type:
Cruise Specific Science Winch Required: no	Type:
Nets Required: no	Type:

Over the Side Equipment

Will you be bringing any equipment (winches, blocks, etc.) that lowers instruments over the side? no

Special Requirements

Elecrical Power: no	Identify:
Equipment Handling: no	Identify:
Inter/intraship Communications: no	Identify:
Science Stowage: no	Identify:
Water: no	Identify:

Additional Cruise Items/Activities

Explosive Devices: no Portable Air Compressors: no Flammable Gases: yes

Small Boat Operations: no SCUBA Diving Operations: no

Hazardous Material

Will hazardous material be utilized? yes

Describe deployment method and quantity:
RNALater
ethanol
formaldehyde
paraformaldehyde
hydrocholoric acid
nitric acid
nitro cellulose membrane filters

Radioactive Material

Radioiosotopes: no

Additional Information

Is night time work anticipated on this cruise? yes

Specialized tech support (Seabeam, coring, other):  CTD operations will be led by J.Breier (AOP&E, WHOI)
We also anticipate wanting to conduct at least some multibeam surveys, over the known vent sites, to examine for active fluid flow signals using the new shipboard multi-beam, to be led by J.Kinsey (AOP&E, WHOI)

Other required equipment and special needs: 

Gravimeter (Kinsey)--- Need for shipboard gravimeter will not be finalized until Nov 2011.  J. Kinsey, the requesting scientist, runs the UNOLS gravimeter pool (from which this gravimeter will be supplied) and can thus handle all of the shipping and installation. Some SSSG support will be required for installation.  If installed, the gravimeter will ride the Atlantis back to Woods Hole and be off-loaded there.

ROV Jason

Site Survey

Will you provide detailed charts of the work area(s)?  no
Current Chart(s):


If no, willl you need Jason to generate maps of the work area(s)?  yes

Will you need post-dive maps of the work area generated?  yes

Navigation

Will you be using Long Base Line (LBL) navigation? yes

How many nets? 2


How many tansponders? 6


Will you be using Ultra-short baseline (USBL) navigation? yes

Will you be using Doppler/GPS navigation? yes

Sensors & Samplers

Large capacity slurp samplers (Multi-chamber)
Large capacity slurp samplers (Single Chamber)
Magnetometer
Major water sampler(s)
Push corers
Scoop nets
Search Sonar
What type of samples do you expect to collect?
Fluids (hi-T and diffuse); microbes; macrobiology - tube worms, gastropods, shrimp & fish; rocks (altered & fresh), sulfides (altered & fresh), push-cores

Elevators

Will you be using elevators to transport samples to the surface?  yes

If yes, how many would you anticipate?  8

Cameras & Video

Video & Photo data

Science Supplied Equipment

Are you supplying equipment to be used on HOV Jason?
yes

Has this equipment been used on Jason before?  yes

Please give a brief description of the equipment, its intended purpose, the cruise # it was last used on if any and its deployment method.
1) Jeff Seewald IGT fluid samplers
2) Chip Breier's SUPR sampler(s) - new variations on what has been used in previous years.
3) J. Kinsey: (3.1) submersible gravimeter; (3.2) additional paros depth sensor; (3.3) possible additional ADCPs on Medea.  Additional information already forwarded to Jason team.

Does this equipment use an external pressure housing?  yes

If yes, what is the pressure rating? 
and test pressure? 

Or has the pressure case been tested per Alvin Pressure Test requirements?  yes

Housing schematic with dimensions and include air and water weights.

Does the equipment have an associated computer or control panel for remote operation from the personnel sphere?  yes

Air weight of this equipment? 

Water weight of this equipment? 

Does the equipment require data or a power interface from the vehicle?  yes

Does this equipment require hydraulic inputs from the vehicle?  no
Hydraulic schematic of the equipment requirements.

Does this equipment require manipulation?  yes

If yes, please describe how the equipment is to be manipulated.
IGT fluid samplers require insertion in vent orifice for fluid collection

Will this equipment be deployed off the vehicle?  no

If yes, please describe how the equipment is intended for deployment.

If yes, will the equipment be disconnected from the vehicle and left in situ?  no

How long will the deployment be? 

Will the equipment be recovered by the same vehicle?  no

If recovering equipment deployed with another vehicle, provide pressure rating: 
and test pressure: 

Does this equipment use any glass spheres for either buoyancy or as pressure housings?  no

Hazardous Material

Will hazardous material be utilized? yes

Describe deployment method and quantity:
RNA later in SUPR sampler

Additional Information

Brief operations description or comments:

Date Submitted: Oct 3, 2011 6:17 PM