Cruise Planning Questionnaire

    Vehicle(s) required:
    Name of ship for ROV ops:
    Ch Sci:
Emily Klein (S. White, D. Fornari add-on days)
Duke University
103 Old Chemistry Bldg.
Division of Earth & Ocean Sciences
Durham , NC 27708-0227
    POC / contact info:
Departure port & date:Manzanillo, Mexico; March 24, 2007
    Distance to first station:
~550 nm
    Number of stations:
2 (20 x 20 km)
    Distance between stations:
50 nm
    Total days on station:
21 (+ 2 White +2 Fornari) = 25
Arrival port & date:San Diego, USA
Op area:NP13
Lat/Lon:1. 903’N 104W (OSC area); 2. 950’N 104W (EPR Bulls Eye)
Depth range:2500-3200
    Will the vessel be operating within 200 NM of a foreign country?
    Which country?
    Are visas or special travel documents required?

Funding agency:

Grant or contract number: OCE-0526120 (Klein); OCE-0639601 (White); OCE-0525863 (Fornari)

    Science objectives/activities planned:
The overall goal of this study is to characterize the distribution of volcanic eruption sites, the composition of the lavas, and the distribution and composition of hydrothermal systems in the vicinity of the 9 03’N overlapping spreading center on the East Pacific Rise. The study will consist of a nested survey. The DSL-120A sonar, with 4 MAPRs on the tow wire or suspended below the depressor weight, and SM2000 multibeam, CTD, and fluxgate magnetometer attached to the vehicle, will be used to characterize the spatial distribution and eruptive style of lava flow fields and lava distribution systems, tectonic features, and hydrothermal activity. The Jason II system, incorporating video and still photographic imagery, the SM2000 sonar, and manipulative capabilities for collecting both rock and water samples, will then be deployed within the region of the DSL-120A survey for more detailed mapping and sampling.

This study will be followed, during the same leg, by two 2-day cruises (S. White and D. Fornari) conducted further north on the EPR (~9 50’N). DSL-120A and Jason II will be deployed at this northern site for two days each. Existing permanent transponders will be used for navigation.
Scientific Activities: Collecting and processing data and samples collected by RV Jason II and DSL120 sonar. Rock, water and biologic sample curation. Rock wax core sampling during instrument down times.

WHOI shipboard scientific instrumentation desired:
    12 kHz transducer
    Towed magnetometer
Pinger for wire use

Is nighttime work anticipated on this cruise? Yes

    Critical MET sensors:
    Critical CTD sensors:

Do you need Seabeam? (AT and KN only) Yes

Long baseline (LBL) transponder navigation? No No. of xpndrs/nets:
Ultra-short baseline (USBL) navigation? Yes
Doppler/GPS navigation? Yes

Will you be using portable science vans? Yes How many: vans for Jason and DSL

Science Van #1
Science Van #2
Science Van #3

Anticipated standard oceanographic cable use:

Instrument Weight(s)
Maximum Depth
    Conducting hydro
    Steel hydro
Rock Wax corer
~200 lbs
    Steel trawl
    .681" fiber optic
    Do you require slip rings?
Number of conductors:
    Do you need non-standard wire?
If so, what type?
    Do you need a traction winch?
Will you be bringing any equipment (winches, blocks, etc.) that lowers equipment over the side? No

If yes, please provide details:
Will there be special requirements for:

    Electrical power
    Equipment handling
    Inter/intraship communications
    Science stowage

If yes to any of the above, please identify:

Will any of the following items be used on board?

    Explosive devices
    Portable air compressors
    Flammable gases
    Isotope van

Will hazardous material be used aboard, or deployed by an ROV? No

What measures or plans have been made a) in the event of a spill, and b) for the removal and/or disposal of these materials at the completion of the cruise?