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[C-1.2.2 Observational Study of Marine Mixed Layer by Ships]

[Contact Person]

Osamu Nagata
Director
Marine Environment and Ship Equipment Division
Ship Research Institute
Ministry of Transport
6-38-1 Shinkawa, Mitaka, Tokyo, 181 Japan
Phone +81-422-41-3113 Fax +81-422-41-3115
E-mail yamagisi@srimot.go.jp

[Total Budget for FY1993-1995]

23,611 Yen (FY1995 7,321Yen)

[Abstract]

　Observations of atmospheric boundary layers (ABL) have been conducted around Japan using a ship-board Mie lidar and radiosondes.
　Observations near Minamitorishima and Nansei-Shoto showed that the stabilities were almost neutral in most cases and the depths of the marine atmospheric boundary layer were 0.6-1.5km and sometimes stable multiple layers were formed.
　And in the continental cold air outflows over a warmer current at Oki islands, thick cloud topped ABL with convective plumes were observed.

[Key Words]

Marine Mixed Layer, Ship-board Lidar, Radiosonde