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JAMSTEC Fleet Activities in 2004 R

R/V NATSUSHIMA. Changed from Mother Ship" to Research vessel"Acting as a research vessel for conventional research activitiesStill now Supporting the ROV HYPER DOLPHIN" (60% of a year). R/V KAIYO. Acting as a research vessel for conventional research activitiesOBS/SCS/MCS* (38% of a year)P

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JAMSTEC Fleet Activities in 2004 R

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    1. JAMSTEC Fleet Activities in 2004 (R/V NATSUSHIMA, KAIYO, YOKOSUKA, KAIREI, ROVs, SHINKAI6500 and New FACES) Nippon Marine Enterprises, Ltd. Tetsuya YOKOTA October 6, 2004

    2. R/V NATSUSHIMA Changed from “Mother Ship” to “Research vessel” Acting as a research vessel for conventional research activities Still now Supporting the ROV “HYPER DOLPHIN” (60% of a year)

    3. R/V KAIYO Acting as a research vessel for conventional research activities OBS/SCS/MCS* (38% of a year) Piston Coring/Navigable Sampling (22% of a year) Deep Tow Survey (22% of a year) Deploy, recover the mooring Systems (11% of a year) *OBS: Ocean Bottom Seismometer SCS: Single Channel Seismic survey MCS: Multi Channel Seismic survey

    4. R/V YOKOSUKA Fuel Cell Trial of AUV URASHIMA At 2nd Sea Trial Cruise, achieved to run continuously 220km at 800m depth and established the world’s record. NIRAI-KANAI cruising (see next) Objective of this cruise; 1)Geological and Petrological study of Large Off-axis Lava Fields along the Southern EPR (East Pacific Rise) 2)Plume Tectonics survey at French Polynesia 3)Geobiological Expedition for Deep-Sea Hydrothermal Ecosystems in the South-West Pacific etc…

    5. NIRAI KANAI Period 20th Jun~ 24th Nov Port of call Papeete (TAHITI) Apia (Samoa) Auckland (NZ) Suva (FIJI) Contents YK04-07,-09 SHINKAI6500 DIVE YK04-08 Piston Core Dredge Recover and deploy OBS

    6. R/V KAIREI ROV KAIKO ~now ROV UROV 7K as the substitute for the KAIKO vehicle, named “KAIKO7000”. At 3rd Trial Cruise around JAPAN TRENCH July 15, “KAIKO7000” touched 7031m depth. Next year Used mainly Continental Shelf Survey.

    7. OTHERS JAMSTEC has taken over operation of 2 vessels from Ocean Research Institute, The Univ of Tokyo; R/V HAKUHO-MARU(3991tons) : long-term cruises in the worldwide ocean. R/V TANSEI-MARU(610tons): short cruises near the Japan coast.

    8. Lost equipment Where is the OBS? They didn’t respond when we tried to recover. An OBS found near Okinawa, ... against the KUROSHIO?

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