SAGE : ¹Ò³¤Êó¹ð : No. 98026
Reference No. : 98026 (Cancel Ref.98003)
Restrict Data : No
Ship Name : RYOFU MARU
Ship Type : Research Vessel
Cruise No./Name : 98-04
Cruise Period : 1998/04/23 to 1998/05/15
Port of Departure : Tokyo
Port of Return : Tokyo
Responsible Laboratory : Japan Meteorological Agency (JMA)
Chief Scientist(s) : N. Kubo / Oceanographical Div. , JMA
General Ocean Area(s) : North Pacific Ocean
Geographic Coverage : 129,130,131,165,166
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
D; M. Amino / Climate and Marine Dept., JMA
E; N. Shikama / Meteorological Research Inst.
F; H. Jingu / Seismological and Volcanological 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) Deployment of ALACE floats.
(3) Recovery and deployment of ocean bottom seismograph.
Moorings, Bottom Mounted Gear and Drifting Systems :
D 38.00N 151.58E D05 Deployment of ALACE float on 4 May 1998 (Setting depth is 1000m).
E 37.01N 151.59E D05 Deployment of ALACE float on 4 May 1998 (Setting depth is 600m).
E 37.31N 151.56E D05 Deployment of ALACE float on 4 May 1998. (Setting depth is 500m).
E 39.03N 146.59E D05 Deployment of ALACE float on 8 May 1998, (Setting depth is 400m).
E 38.02N 147.02E D05 Deployment of ALACE float on 8 May 1998, (Setting depth is 400m).
E 37.02N 147.01E D05 Deployment of ALACE float on 8 May 1998, (Setting depth is 400m).
F 34.47N 138.38E G90 Recovery and deployment of ocean bottom seismograph on 24 April 1998.
Summary of Measurements and Samples Taken :
A 6188 N.Miles H71 Continuous sea surface temperature recording.
A 57 Stations H10 Using FSI-ICTD.
A 68 Stations D71 Using RD Instrument ADCP.
A 68 Stations G73 Using NEC echo sounder.
A 29 Stations H16 Using Secchi disk.
A 5 Drops H13 XBT drops with T6 type probes.
A 6 Drops H13 XCTD drops with Tsurumi Seiki XCTD probe.
A 35 Stations H09,H21 Using Rosette sampler.
A 7 Stations H09,H22,H24,H25,H26 Using Rosette sampler.
A 6 Stations H09,B02 Using Rosette sampler.
A 2 Stations B08,B09 Using bucket(B08) and NORPAC net(B09).
A 5 Stations H09,H28 Using Rosette sampler.
B 6188 N.Miles H74,H71 CO2 and CH4 concentrations in air.
B 2 Stations P02,P03 Heavy metals(P02) and Dissolved hydrocarbons(P03).
B 3 Stations P03 Using Neuston net.
B 5 Stations H74 Total inorganic carbon concentration.
B 14 Days P90 Oil slicks and floating pollutants(Daytime only).
C 120 Times M06 Observed every three hours.
C 20 Ascents M01 Using shipboard automatic radio-sonde system.
Trach Chart : 98026.gif