SAGE : ¹Ò³¤Êó¹ð : No. 98027
Reference No. : 98027
Restrict Data : No
Ship Name : RYOFU MARU
Ship Type : Research Vessel
Cruise No./Name : 98-06
Cruise Period : 1998/06/09 to 1998/07/31
Port of Departure : Tokyo
Port of Return : Tokyo
Responsible Laboratory : Japan Meteorological Agency (JMA)
Chief Scientist(s) : A. Nakadate / Climate and Marine Dept. , JMA
General Ocean Area(s) : North Pacific Ocean
Geographic Coverage : 22,23,57,58,59,92,93,95,128,129,130,164,165,321
Project Name : IGOSS, WESTPAC, MARPOLMON, SAGE
Coordinating Body : IOC
Principal Investigators :
A; T. Uwai / Climate and Marine Dept., JMA
B; T. Sakai / Climate and Marine Dept., JMA
C; T. Naoi / Climate and Marine Dept., JMA
Objectives and Brief Narrative of Cruise :
(1) A routine oceanographical observation (physical, chemical and biological)
a. Seasonal observation of marine condition.
b. Monitoring background marine pollution.
(2) Sea water sampling for radioactivity measurement.
Summary of Measurements and Samples Taken :
A 8593 N.Miles H71 Continuous sea surface temperature recording.
A 74 Stations H10 Using FSI-ICTD
A 108 Stations D71 Using RD Instrument ADCP.
A 108 Stations G73 Using NEC echo sounder.
A 43 Stations H16 Using Secchi disk.
A 31 Drops H13 XBT drops with T-6 type probes.
A 3 Drops H13 XCTD drops with Tsurumi Seiki XCTD probes.
A 73 Stations H09,H21 Using Rosette sampler.
A 27 Stations H09,H22,H24,H25,H26 Using Rosette sampler.
A 27 Stations H09,B02 Using Rosette sampler.
A 12 Stations B08,B09 Using bucket(B08) and NORPAC net(B09).
A 20 Stations H09,H28 Using Rosette sampler.
A 5 Stations H31 Sampling for measurement of Gross Beta Radioactivity.
B 8563 N.Miles H74,H71 CO2 and CH4 concentration in air.
B 12 Stations P02,P03 Heavy metals(P02) and Dissolved hydrocarbons(P03).
B 14 Stations P03 Using Neuston net.
B 20 Stations H74 Total inorganic carbon concentration.
B 28 Days P90 Oil slicks and floating pollutants(Daytime only).
C 281 Times M06 Observed every 3 hours.
C 41 Ascents M01 Using shipboard automatic radio-sonde system.
Trach Chart : 98027.gif