SAGE : 航海報告 : 99028

SAGE : 航海報告 : No. 99028

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Reference No. : 99028
Restrict Data : No
Ship Name : RYOFU MARU
Ship Type : Research Vessel
Cruise No./Name : 99-04
Cruise Period : 1999/04/19 to 1999/05/26
Port of Departure : Tokyo
Port of Return : Tokyo
Responsible Laboratory : Japan Meteorological Agency (JMA)
Chief Scientist(s) : K. Nemoto and T. Midorikawa / Climate and Marine Dept. , JMA
General Ocean Area(s) : North Pacific Ocean
Geographic Coverage : 128,129,130,131,164,
Project Name : IGOSS, WESTPAC, MARPOLMON, SAGE
Coordinating Body : IOC
Principal Investigators :
A; T. Yano / Climate and Marine Dept., JMA
B; T. Sakai / Climate and Marine Dept., JMA
C; J. Kotani / RYOFU-MARU, Climate and Marine Dept., JMA
D; M. Amino / Climate and Marine Dept., JMA
E; T. Tokieda / Geochemical Research Dept., Meteorological Research Inst.
F; K. Maekawa / Seismological and Volcanological Dept., JMA
Objectives and Brief Narrative of Cruise :
(1) A routine oceanographical observations(physical, chemical and biological).
a. Seasonal observations of marine condition.
b. Monitoring background marine pollution.
(2) Sea water sampling for radioactivity measurement.
(3) Sea water sampling for stable carbon isotope(C13) measurement (by MRI).
(4) Deployment of PALACE floats.
(5) Recovery and deployment of ocean bottom seismograph.
Moorings, Bottom Mounted Gear and Drifting Systems :
F 34.47N 138.37E G90 Recovery of ocean bottom seismograph on 1999/04/20.
F 34.47N 138.37E G90 Recovery of ocean bottom seismograph on 1999/04/20.
F 34.47N 138.38E G90 Deployment of ocean bottom seismograph on 1999/04/20.
D 40.30N 149.00E D06 Deployment of PALACE float on 1999/03/03.
D 40.49N 149.53E D06 Deployment of PALACE float on 1999/03/03
Summary of Measurements and Samples Taken :
A 5592 N.Miles H71 Continuous sea surface temperature recording.
A 32 Stations H10 Using FSI-CTD
A 84 Stations D71 Using RD Instrument Acoustic Doppler Current Profiler.
A 86 Stations G73 Using NEC echo sounder.
A 8 Stations H16 Using secchi disk.
A 23 Drops H13 XBT drops with T6 type probes.
A 31 Drops H13 XBT drops with T7 type probes.
A 20 Stations H09,H21 Using Rosette sampler
A 16 Stations H09,H22,H24,H25,H26 Using Rosette sampler
A 2 Stations H09,H28,B02 Using Rosette sampler
A 4 Stations B08,B09 Using bucket(08) and NORPAC net(09).
A 1 Station H31 Sampling for measurement of Gross Beta Radioactivity.
B 12 Stations H74 Total inorganic carbon concentration.
B 3 Stations P02,P03 Heavy metals (P02) and dissolved hydrocarbons (P03).
B 5529 N.Miles H74,H71 CO2 and CH4 concentration in air and sea surface water.
B 1 Station P03 Floating tar balls sampling(Using Neuston net).
B 20 Days P90 Oil slicks and floating pollutants(daytime only).
C 201 Times M06 Observed every 3 hours.
C 34 Ascents M01 Using shipboard automatic radio-sonde observation system.
E 13 Stations H32 Sampling for measurement of stable carbon isotope (13C).
Trach Chart : 99028.gif