Woods Hole Oceanographic Institution
Cruise Planning Synopsis
|Joseph Montoya: Principal Investigator, Chief Scientist|
Georgia Institute of Technology EST Bldg, 311 Ferst Drive Atlanta, GA USA 30332
+1 404 385 0479
Departure: Aug 21, 2010
Arrival: Sep 16, 2010
|Gulf of Mexico|
|Depth Range: 0 / 3000|
|Will the vessel be operating within 200 NM of a foreign country?||NO|
|Are visas or special travel documents required?||no|
This project has the following specific goals:
1. Identify the major diazotroph groups in the Gulf of Mexico and characterize their distribution and activity in different regions and water masses.
2. Quantify the impact of advective processes, mesoscale features, and riverine inputs on nutrient limitation and N2-fixation in the Gulf, and evaluate the controls on N2-fixation and the degree of spatial and temporal niche differentiation among diazotroph assemblages in different regions affected by these processes.
3. Use satellite data and physical models to scale up our measurements spatially and to evaluate the regional significance of N2-fixation in the Gulf of Mexico. We will also use a coupled physical/biological model to explore variability in the physical forcings and the potentia l impact of likely land use and climate change scenarios in altering nutrient dynamics and N2-fixation in the Gulf of Mexico.This cruise will provide critical field data for goals 1 and 2, as well as ground-truthing for the modeling effort of goal 3.
********************* NEW MAY 17 ,2010 ********************************
Over the last few days, we've rethought our fall cruise as it's become evident that much of the oil from the Deep Horizon leak isn't reaching the surface and that the 5000 bbl/day official release rate estimate could be low by an order of magnitude or more. The bottom line is that an awful lot of oil is getting into the water column and we really don't know much about where it's going or what it's impact is/will be on ecosystems in the Gulf.
We discussed this situation with Dave Garrison on Friday and he was very supportive of us changing the focus of our cruise and using it to survey and assess the spread and impact of the oil. Dave asked us to try to assemble a team that could attack the problem of the physical spread of the oil and its impact through the food web. We're working on this but wanted to let you know of this change in plan and to start a discussion of what the revised cruise plan would look like.
Our current thinking is that we would make use of the two ships in complementary ways:
|CTD casts, mocness tows, meter net tows, surface pumping for collecting large volumes of water, deck incubations, floating sediment traps, moored sediment trap (1), multicoring (if no multicore then box and gravity core), camera deployment, radioisotopes, possible small boat ops for personnel transfer between R/V Cape Hatteras and sample collecting.|
|Pre-cruise Planning Meeting: Teleconference|
|Notes: This cruise has changed considerably due to the Deep Horizon Oil Spill. Our staging / operating port is still TBD (as of 7/13/10). |
**NEW 7/26** GULFPORT MS is confirmed as the operational port for this cruise. (eb)
NEW REQUIREMENTS ARE
1)Scientist will require the 8 hour HAZWOPR Trainging.
2) Scientist will be required to to take the RESPIRATOR GASMASK FIT TEST. (sci will supply their own)
3) TYVEC suits will be reuired for everyone on board (sci will supply their own)
4) Expect observers from USCG, EPA, BP and SIMOPS
5) Restricted area w/in 15 nm of Deep Horizon well head.
|Funding Agency: NSF|
|Grant or contract number: OCE-0928495|
Scientific Instrumentation for R/V Oceanus
|Deionized Water System|
|Science Underway Seawater System|
|ADCP 150 kHz|
|ADCP 75 kHz|
|SBE43 oxygen sensor|
|Wet Labs ECO-AFL fluorometer|
|Wet Labs C*Star transmissometer (660nm wavelength)|
|Biospherical underwater PAR (1000m depth limit) with reference Surface PAR|
Critical CTD Sensors
|Still looking for PH sensor, C-DOM Flurometer. These may not be found in time for cruise.|
|Lowered Acoustic Doppler Current Profiler (LADCP)|
Hydrographic Analysis Equipment
|Salt Bottles (2 cases of 125 ml provided)|
|Oxygen Sample Bottles (available in 150 ml sizes)|
|Wind speed and direction|
|Refrigerator 8.6 cu. ft.|
|Chest Freezer (Household type) 0°F|
|Freezer -70°C 3.2 cu. ft. ea.|
|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?||no|
|CTD Winch with .322" Electro-mechanical wire|
|Hydro Winch with .25" hydro wire|
|Trawl Winch with 9/16th trawl wire|
CTD/.322 will be used for CTD casts|
Com 15 will be used for the mocness deployments
9/16th Trawl wire for multicoring.
* iF camera is mounted on multicore, .322 would have to be method of deployment which would be very difficult due to space contraints.
**7/26/10 - NO muliticore camera.
They will provide a separate camera that will be deployed off the 9/16th trawl wire in crane crutch.
Seamac 800? will be used for 1000 meter hydro wire for nets and for floating sediment trap deployments.
|Wires Notes: Metering block needed for the meter net deployments.|
Standard Oceanographic Cables
Specialized Deck Equipment
Over the Side Equipment
|Will you be bringing any equipment (winches, blocks, etc.) that lowers instruments over the side?||yes|
Additional Cruise Items/Activities
|Portable Air Compressors:||no|
|Small Boat Operations:||yes|
|SCUBA Diving Operations:||no|
|Will hazardous material be utilized?||yes|
|Describe deployment method and quantity:|
Chemicals and Gases used. Joe Montoya will submit a HAZMAT INVETORY FORM
|Is night time work anticipated on this cruise?||yes|
|Specialized tech support (Seabeam, coring, other):|
|Other required equipment and special needs:|
1) Rad van will need a MULTI CELL COUNTER. DF will see if van pool has a unols rad van for this cruise.
2) Acoustic optical plankton counter
3) Laster optical palnkton counter will need to be mounted to rosette.? SIZES?
Checklist & Notes
|U.S. Customs Form:||no|
|Master R/V Ship Name|
Attn: Scientist's Name - OC468-2
266 Woods Hole Rd.
Woods Hole, MA 02543
Contact: Eric Benway
Phone: (508) 289-3770
Fax: (508) 457-2185
Master: R/V OCEANUS
Attn: Scientist's Name - OC468-2
Fillette Green Shipping Services (USA) Corp.
261 N. Conception Street
Mobile, AL 36603
P.O. Box 1842
Mobile, AL 36633
Phone: (251) 375-2224
Fax: (251) 423-6813
TELEX: 3772415 FGSS USWG
Contact: John Chaulk
Cell: (251) 379-6597
Port of Gulfport address:
Mississippi State Port at Gulfport
WHOI NOTE: Agent and WHOI contacts should be copied on all communications. It is requested that shipping information of any equipment be communicated to the Agent and
|Isotope Use Approval:||yes|
|Authorization requests need to be submitted|
|Catie Graver (female)|
|Some pre loading at WHOI: AUG 9 & 10. |
- Chems, gases, Argos floats, portable winch, mocness, sed trap mooring
1 scientist will ride transit down to GOM from WHOI to measure UCSW and hydrocarbons as vessel nears the coast of FL to determine drifting effects of plumes.
Loading at Gulfport MS:
Unols Rad van, multicore, camera, nets, floating traps, chems, rads.
|Multicoring will replace the box core and gravity core. |
SPACE will be extremely tight so deploying the multicore w/ cameras off the .322 wire and hydroboom would require relocating the CTD and Mocness each time. We explained that this would be dangerous to personnel and equipment due to lack of deck space.
Uta Passow will be deploying floating sediment traps and WILL have 1 time series sed trap to be deployed. Uta's sediment trap arrived WHOI and will be loaded Aug 9.