Deep Submergence Science Committee A summary of Activities, Plans, Issues from Patricia Fryer, Chair
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1 Deep Submergence Science Committee A summary of Activities, Plans, Issues from 2003 Patricia Fryer, Chair
2 NDSF Chief Scientist Replacement A decision was made to search outside WHOI for a replacement for Dan Fornari and an ad will be forthcoming
3 RIDGE 2K Needs Integrated Studies Sites will all require HOV and ROV/AUV: 1. Endeavor Segment, Juan de Fuca Ridge: chosen to advance understanding of linkages between physical, chemical, and biological processes at an intermediate spreading mid-ocean ridge N, East Pacific Rise: chosen because it is a dynamic portion of the ridge and presenst excellent opportunities to observe and measure mid-ocean ridge processes on a decadal time-scale, hydrothermal activity is prolific, and may dominate global mid-ocean ridge hydrothermal fluxes. 3. Lau Basin Spreading Center: chosen because it offers the opportunity to implement a truly integrated plan at a geologically new site (a backarc basin), applying the lessons and data amassed from previous decades of mid-ocean ridge research.
4 MARGINS Needs Margins Science Plans that will all require HOV and ROV/AUV : 1. Source to Sink: The objective is to discern the relationships among processes relevant to sediment production, transport, accumulation, and preservation on margins at multiple temporal and space scales, from turbulence to tectonics and from sedimentary fabric to sequence stratigraphy and basin analysis (continental slope and abyssal distribution). 2. Subduction Factory: The objective is to study all aspects of subduction, from deformation and dehydration of the slab to deformation and hydration/ metamorphism of the overriding plate, magmagenesis, arc formation and backarc basin extension/magmatism, with the goal of understanding mass balance at convergent plate margins (trench and deep forearc/backarc). 3. SEIZE: The objective is to study the behavior of seismic activity along the subduction zone, mass flux, tsunamigenesis, and controls over the distribution of earthquakes in space and time (trench and deep forearc).
5 Future Submergence Facility Needs Ocean Studies Board Reports 1. Exploration of the Seas Recognizes the need for establishing seafloor observatories 2. Seafloor Observatory Network NSF will establish the OOI to facilitate creation of global ocean observing system 3. Future Needs in Deep Submergence Science: The need exists for greater access both to assets and for geographic diversity. Recommends a new deep-water ROV and an improved HOV.
6 The need for ROVs will continue to grow, more large ROVs like Jason 2 will be needed for extended geographic range (and for observatory work).
7 An improved Alvin would provide a significant upgrade in capability, including greater depth range. It would further scientific goals and permit use over a wider geographic range (HOVs cannot work even for mid-water studies in depths greater than their maximum depth capability).
8 Partial Inventory of HOVs HOV Facility/Operator (country) Depth Capability (m) Shinkai 6500 Japan Marine Science and Technology Center 6500 (JAMSTEC) (JP) Mir I & II P.P. Shirshov Institute of Oceanology, 6000 Russian Academy of Sciences (Rus) Nautile French Research Institute for Exploration 6000 Of the Sea (IFREMER) (FR) Alvin National Deep Submergence Facility (NDSF) 4500 Woods Hole Oceanographic Institution (WHOI) (USA) Cyana* IFREMER (FR) 3000 Shinkai 2000* JAMSTEC (JP) 2000 Pisces IV & V Hawaii Undersea Research Laboratory (HURL) 2000 The two can be used simultaneously (USA) Johnson Sea- Harbor Branch Oceanographic Institution(HBOI) 1000 Link I &II (USA) Deep Rover Nuytco Research Ltd. (CAN) 900 DeepWorker 2k Nuytco Research Ltd. (CAN) 900 NR1 US Navy (General Dynamics) 724 Remora 2000* Comex, (FR) 610 JAGO Max Plank Institute, (D) 400 Delta Delta Oceanographics (USA 370 Clelia HBOI (USA) 300 Various Commercial salvage companies (& tourist subs) <300 (* Still exist, but are not currently in service.)
9 Partial Inventory of ROVs ROV Facility/Operator (country) Depth Capability (m) Kaiko* Japan Marine Science and Technology Center (JAMSTEC) (JP) UROV 7K Japan Marine Science and Technology Center 7000 (JAMSTEC) (JP) Jason2/Medea National Deep Submergence Facility (NDSF) 6500 Woods Hole Oceanographic Institution (WHOI) (USA) Victor 6000 IFREMER (FR) 7000 ISIS Southampton Oceanography Center (UK) 6000 ATV Marine Physical Laboratory (Scripps Institution of 6000 Oceanography (USA) (USA) ROPOS CSSF, Sidney, BC (CAN) 6000 Tiburon Monterey Bay Reasarch Aguarium Institute, (USA) 4000 Urashima Japan Marine Science and Technology Center 3500 (JAMSTEC) (JP) Hyper Dolphin (JAMSTEC) (JP) 3000 HYSUB (See for oil industry vehicles, mostly 3000 m) Ventana Monterey Bay Reasarch Aguarium Institute, (USA) 1850 (* Lost at sea, but plans exist to replace it.)
10 Partial Inventory of AUVs AUV Facility/Operator (country) Depth Capability (m) ABE Woods Hole Oceanographic Institution (WHOI) 5000 (USA) SeaBED Woods Hole Oceanographic Institution (WHOI) 2000 (USA) Odessey IIb (5) AUV Laboratory at MIT Sea Grant (MIT) (USA) 6000 Sauvim Autonomous System Laboratory, Univ Hawaii (USA) 6000 Caribou AUV Laboratory at MIT Sea Grant (MIT) (USA) 4500(max) 3000(op) CETUS AUV Laboratory at MIT Sea Grant (MIT) (USA) 4000(Ti) 200(Al) Xanthos AUV Laboratory at MIT Sea Grant (MIT) (USA) 3000 PTEROA150 Underwater Technology Research Center, Institute of 2000 Industrial Science, U. Tokyo (JP) AutoSub Southampton Oceanographic Centre (UK) 1600 Maridan AUV Maridan ApS (DK) 1500 Slocum Gliders Webb Research Park, Falmouth, MA (USA) 1200 Theseus ISE Research Ltd. (CAN) 1000 Numerous others mainly commercial for shallower work
11 Inventory of Tools and Sensors THE NDSF provides a list of tools and sensors used on Alvin and Jason2/Medea For others there are listings at various facilities. These need to be complied. We hope to create a site on the UNOLS DESSC web pages where users can go to find this compilation. For this effort we ll be calling on you
12 Marine Archeology Programs
13 Education and Outreach Efforts - Dive and Discover: < - REVEL: - Mud Volcanoes from the Mantle: < - Extreme < - NOAA Explorations < - IMAX movie on Alvin explorations of Ridges released NeMO - MATE: ROV competition < - RIDGE2000 Lecture Series
14 Membership Openings on DESSC The Chair of DESSC will be rotating off this summer and an ad for a replacement will be placed soon. 3 other members will rotate off and nominations for new committee members will be entertained at the summer DESSC meeting. Interested individuals should contact Annette DeSilva at office@unols.org with a one-page CV and one-page statement of purpose.
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