Woods Hole Oceanographic Institution

Cruise Planning Synopsis

view revisions

OC 466


R/V Oceanus

Cruise Party

William Fitzgerald: Principal Investigator, Chief Scientist
Dept.of Marine Sciences, University of Connecticut 1080 Shennecossett Rd Groton, CT USA 06340
+1 860 405 9158

Departure: Jul 11, 2010

Woods Hole

Arrival: Jul 21, 2010

Woods Hole

Operations Area

NW Atlantic Ocean Continental Margin South of Nova Scotia to about the latitude of Delaware Bay
Lat/Lon: 42° 15.0′ N / 66° 20.0′ W
Depth Range: 100-150 / 3000
Will the vessel be operating within 200 NM of a foreign country? No
Are visas or special travel documents required? no

Science Objectives

The objectives of this cruise are to test several hypotheses related to the production of methylmercury in the marine environment (especially sediments) through field collections (air, water, sediments and biota), shipboard experiments, and laboratory tests.

Science Activities

This cruise will focus  on 12-14 coring stations that span a range of sediment texture and biogeochemistry on the continental shelf and slope.  Box-coring will be conducted at each station. Trace-metal-clean rosette collections of water and open-closing net sampling for zooplankton are also planned for each coring station. High-resolution water-column  profiles will be made  at seven or more of the sampling locations.  Underway mercury sampling of air and water  will be conducted throughout the cruise.   Many mercury related on-board experiments will be carried out and numerous samples will be preserved for later laboratory analyses and experiments.


Additional Info

Pre-cruise Planning Meeting: Teleconference/Visit WHOI
Meeting Notes: HELD 4/27/10 at WHOI and on Oceanus. We are about 21/2 hrs from WHOI. Also, Carl Lamborg (Asst Scientist at WHOI) may particpate .. he is a good local contact re: the cruise logistics.


  Station 1
  Distance: 85
  Days: 6
  Latitude: 40° 30.0’ N
  Longitude: 70° 35.0’ W

Supporting documentation:

Notes: Loading will begin on Friday July 9 after Anderson's group has vacated. 
Due to scheduling changes, they have permission to stay on board July 9 and 10th.  2 nights prior
to departure.


Funding Agency: NSF
Grant or contract number: OCE-0751755

Scientific Instrumentation for R/V Oceanus

Other Science Vans:

Shipboard Equipment

12 kHz Pinger for Wire Use
Bathymetry System 12 kHz
Deionized Water System
Fume Hood
Science Underway Seawater System
ADCP 150 kHz
ADCP 75 kHz
Bathymetry System 3.5 kHz

CTD/Water Sampling

911+ Rosette 24-position, 10-liter bottle Rosette with dual T/C sensors
SBE43 oxygen sensor
Wet Labs ECO-AFL fluorometer
Biospherical underwater PAR (1000m depth limit) with reference Surface PAR
Seapoint STM turbidity sensor
Wet Labs C*Star transmissometer (660nm wavelength)

Critical CTD Sensors

Science will bring a trace-metal-clean rosette to be deployed off SeaSoar winch.

Hydrographic Analysis Equipment

Oxygen Sample Bottles (available in 150 ml sizes)
Salt Bottles (2 cases of 125 ml provided)

MET Sensors

Short Wave Solar Radiation
Air temperature
Barometric Pressure
Relative Humidity
Wind speed and direction

Sediment Sampling

Box corer

Sample Storage

Chest Freezer (Household type) 0°F
Refrigerator 8.6 cu. ft.
Storage Notes: Need 2 large chest freezers and 1 half size freezer.  there should be an additional small freezer in the trace-metal clean laboratory van ( must be requested from van pool).


Will you be using Long Base Line (LBL) navigation? no
How many nets? 0
How many tansponders? 0
Will you be using Doppler/GPS navigation? yes


CTD Winch with .322" Electro-mechanical wire
Trawl Winch with 9/16th trawl wire
Wires Notes: We will be using Amsteel cable (3/8 inch .. ?? need to check at WHOI storage).  Lenth available is about 4000m. We will use Kevlar .. also about 3/8 inch ..as  a backup. About 3000 m available.
Require a separate drum and winch for the trace-metal sampling with rosette. Clean zooplankton collections will also be made using the Amsteel .. exchange nets and rosette  and we will work off of the same winch.  Trace metal clean block needed

Standard Oceanographic Cables

Slip ring required? no Number of conductors: 
Non-standard wire required? no Type: 
Traction winch required? no Describe: 
Science Van 1
Type/size: Trace-metal-clean-van Location: On the same deck where the trace metal collections are retreived.
Water: Power:

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? yes Details:
Trace metal clean block and clean metering block from URI

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:no Small Boat Operations:no SCUBA Diving Operations:no

Hazardous Material

Will hazardous material be utilized?noDescribe deployment method and quantity:

Radioactive Material


Additional Information

Is night time work anticipated on this cruise?yesSpecialized tech support (Seabeam, coring, other):
Other required equipment and special needs:
WHOI Rigging shop will wrap seasoar winch drum in neoprene and cover cheeks.  They will wind on 4000 meters of Amsteel and splice the bitter end with thimble for zooplankton wire clamps.

Checklist & Notes


U.S. Customs Form: no
Diplomatic Clearance: no
Date Submitted:
Date Approved:
Agent Information:
Master R/V Ship Name
Attn: Scientist's Name - OC464
c/o WHOI
266 Woods Hole Rd.
Woods Hole, MA 02543

Contact: Eric Benway
Phone: (508) 289-3770
Fax: (508) 457-2185
Email: ebenway@whoi.edu

Isotope Use Approval: no
Isotope Notes:
SCUBA Diving: no


SSSG Tech:
Robbie Laird (m)
Loading will take place July 9 2010 at WHOI. 
demob will be on arrival July 20.
DRY ICE needed (Science will supply)