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  • Jason II Reports

  • Jess Adkins

    Thompson/Jason II

    Dec 16, 2008 – Jan 17, 2009

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    se_australia.bathytopo.1km.grd -- 1000 m contours

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    TN228: A Jason expedition to collect deep-

    sea corals south of Tasmania

    AND

    SS0108: An ABE cruise to map the sea floor and

    search for likely deep-sea coral locations

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    TN228: A Jason expedition to collect deep-

    sea corals south of Tasmania

    AND

    SS0108: An ABE cruise to map the sea floor and

    search for likely deep-sea coral locations

    Southern Hills

    ‘Finger and Knob’

    Tasman Fracture Zone

    Cascade Plateau

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    # of Corals

    Dianthus

    Caryophylia

    558

    1,253/498

    993

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    Tasmania Age Screening Results

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    North Atlantic Age Screening Results

  • Main Issues and/or Comments

    -Fantastically successful, even in pretty tough conditions. Thank you to all...

    -Weather, weather and more weather -1/3 planned ABE dives -50% planned Jason dives

    -HD video with stills is beautiful, still working on ‘logistics’

    -Jason deployment is not designed for most ocean conditions

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    WOA Hydrography in Region

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    Radiocarbon Age

    A Focus on the Holocene off Tasmania

  • Bill Chadwick

    Thompson/Jason II

    April 3 - 17, 2009

  • NW Rota-1 2009 Expedition (1st year of 2)

    Objectives: • Characterize longer-term eruptive activity with moored hydrophone, MAPRs, CM, RAS

    • Focused sampling of tephra, lava, fluids, gases, biology, eruptive & landslide plumes

    • Look for interactions between volcano and biological community

    R/V Thompson - April 3-17, 2009, Guam-Guam

    More information: • http://nwrota2009.blogspot.com/

    • AGU sessions V43I, V44B, and V51D

  • NW Rota-1 2009 Expedition Highlights

    • 17 Jason ROV dives (180 hrs wet time; 160 hrs bottom time)

    • 34 hrs of HDTV video, 3000 HD framegrabs, 2000 DSC images)

    • 13 tephra samples, 8 scoop samples, 44 rock & sulfur samples

    • 3 portable hydrophone deployments, 3 mooring deployments

    • 21 CTD casts & tows, 14 plankton tows

    • 4 suctions samples of Loihi shrimp, 4 traps of Alvinocaris shrimp,

    • 1 sample of limpets, 2 samples of new barnacles

    • 58 vent fluid samples, 17 filter samples (particles, RNA, DNA)

    • 22 gas-tight samples (4 for bubbles), 4 bacterial map suctions

    • EM300 (ship) and SM2000 (Jason) multibeam resurveys

  • QuickTime™ and a Sorenson Video 3 decompressor are needed to see this picture.

  • QuickTime™ and a H.264 decompressor

    are needed to see this picture.

    X 5 speed

  • QuickTime™ and a Sorenson Video 3 decompressor are needed to see this picture.

  • QuickTime™ and a Sorenson Video 3 decompressor are needed to see this picture.

    Submarine Eruption sessions @ AGU: V43I, V44B, and V51D

    Offload HD camera video courtesy of WHOI/AIVL

  • Joseph Resing

    Thompson/Jason II

    May 5 - 13, 2009

  • NE Lau Response Cruise Resing: Chief Scientist

  • Funding • NOAA-Ocean Exploration and Research, PMEL Vents • NSF- Margins, Ridge 2000

    •November -- Discovery (PMEL Plume Cruise) •January -- Convince program managers •February to March

    Solicit and consider letters of interest >40 PI’s considered

    Three proposals (2 to NSF, 1 to NOAA) Reschedule Thompson and Jason-2

    •May 5-13 -- At Sea

    Timeline

  • What Happened • Seven dives were conducted.

    – 5 at the erupting W. Mata – 2 at the NE Lau Spreading Center

    • Jason Flexibility – resulted in a first dive upon arrival (short to keep schedule)

    • First discovery of molten lava at Summit of W. Mata – a long final dive to consume every last moment of ship time – Allowed switching of fluid sampler and suction sampler on daily

    basis. This allowed dives to be schedule efficiently. • Only a few problems.

    – HD video failed on last dive (Fiber issue) – A couple of hydraulic problems were fixed or worked around. • Jason crew did