The first cruise to use the NSS was conducted in the Nankai and Sagami troughs using JAMSTEC's R/V "Kaiyo" in 2003. The Ocean Research Institute, University of Tokyo, and JAMSTEC undertook this program in cooperation with the AIST (National Institute of Advanced Industrial Science and Technology); the Earthquake Research Institute, University of Tokyo; and Hokkaido University. Piston core samples were taken from active submarine faults and cold seep sites in conjunction with CTD monitoring. An ERI pop-up heat-flow instrument was deployed in a water depth of 2000 m. The 2004 survey encompassed various kinds of additional payloads and operations: a POGO-type heat flow instrument, multiple piston cores, Niskin bottle water samples, water samples at in situ pressures, seafloor gamma ray data, deployment of markers, and attempts to recover tools. We anticipate that future deep sea marine science surveys using the NSS will have resolution similar to land surveys
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| JAMSTEC R/V "KAIYO" |
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Index map of KY03-11 and
KY04-11 cruises |
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