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[Button]
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