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 [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
      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