Marine Ecosystems Research Department - jamstec japan agency ...

Japan Marine Science and Technology Center
Research Support Department
() KAIREI
KAIREI undertook missions and was at sea for a
total of days. Figure shows the operational
areas. A breakdown of KAIREI missions are: KAIKO
trials and training two missions for a total of
days; KAIKO survey operations six missions for a
total of days; independent KAIREI operations
five missions for a total of days; and MCS (multichannel
reflection system) survey two missions for
a total of days.
Independent operations were carried out in Izu-
Ogasawara, off the southern coast of Honshu, northwest
Pacific Ocean around Japan, Mariana sea area,
and the Philippine Sea using piston cores, dredges,
gravity cores, multi-narrow-beam echo sounders, proton
magnetometers, and other survey systems.
MCS surveys were carried out in Izu-Ogasawara
and the Kumano Sea.
From January to March , KAIREI underwent
a statutory routine inspection at the Kobe
Shipyard and Machinery Works of Kawasaki Heavy
Industries, Ltd. during which checks and maintenance
were carried out on the various systems and equipment.
() MIRAI
MIRAI undertook five missions and was at sea for a
total of days. Figure shows the operational
areas. A breakdown of MIRAI missions are:
Observational research on the sub-tropical gyre system
in the North Pacific and the subarctic gyre system
(sea areas to the south and east of Japan) days;
Observational research of the western tropical Pacific
and Indian Oceans (equatorial regions of the western
Pacific and eastern Indian Oceans) days; Arctic
Ocean observation and material circulation in high-latitude
sea areas (Chukchi Sea, Beaufort Sea)
days; Observational research on air-sea interaction,
observational research in the western tropical Pacific
Ocean, and observational studies on primary productivity
in equatorial regions (western and central Pacific
Fig. 4 R/V KAIREI Cruise Tracks, FY02
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