KER 3-4 : CRUISE SUMMARY REPORT : 97002

Reference No.: 97002
Country      : Japan
Restrict Data: No

Ship Name: RYOFU MARU
Ship Type: Research Vessel
Call Sign: 

Cruise No./Name  : 97-01
Cruise Period    : 21/01/1997 to 25/02/1997
Port of Departure: Tokyo 
Port of Return   : Tokyo 

Responsible Laboratory: Meteorological Research Institute, Japan Meteorological Agency
Address               : 
Chief Scientist(s)    : N. Ishikawa,

General Ocean Area(s): Philippine Sea
Specific Areas       : 
Geographic Coverage  : 23,59,95,131   

Project Name: IGOSS,KER,MARPOLMON,WESTPAC


Coordinating Body:

Principal Investigators: A; K. Ishikawa,
                         B; H. Jobashi,
                         C; H. Tanabe

Objectives and Brief Narrative of Cruise:
     * A rautine oceanographic observation (physical, chemical, biological).
        a) Seasonal observation of marine condition.
        b) Monitering background marine pollution.
     * Recovery and deployment mooring current meter systems.
     * Sea water sampling for radioactirity measurement.
     

Moorings,Bottom Mounted Gear and Drifting Systems:
      PI   LAT.    LON.  DATA TYPE                   [DESCRIPTION]
          DDD.MM  DDD.MM
      ------------------------------------------------------------
      A  +025.46 +128.00 Current profiler(e.g. ADCP) [Deployed ADCP on Feb, 13, 1997.]
      A  +028.58 +130.12 Current meters              [Recovered four recording current meters (AANDRAA]
                                                     [Instruments RCM-8) on Feb, 14, 1997, setting]
                                                     [depths are about 250, 350, 500, 700 m.]
      A  +028.58 +130.12 Current meters              [Deployed four the same type instruments,]
                                                     [on Feb, 17, 1997, setting depths are about]
                                                     [250, 350, 500, 700 m.]
                                                     [Deployed four the same type instruments,]
                                                     [on Feb, 17, 1997, setting depths are about]
                                                     [250, 350, 500, 700 m.]
      A  +029.11 +130.22 Current meters              [Recovered four the same type instruments,]
                                                     [on Feb, 19, 1997, setting depths are about]
                                                     [250, 350, 500, 700 m.]
      A  +029.11 +130.22 Current meters              [Deployed four the same type instruments,]
                                                     [on Feb, 20, 1997, setting depths are about]
                                                     [250, 350, 500, 700 m.]

Summary of Measurements and Samples Taken:
      PI  NO   UNITS    DATA TYPE                                              [DESCRIPTION]
      --------------------------------------------------------------------------------------
      A  5166  NM       Subsurface measurements underway(T,S)                  [Continuous sea surface temperature recording.]
      A  32    Stations CTD stations                                           [Using FSI-ICTD.]
      A  97    Stations Current profiler(e.g. ADCP)                            [Using R.D Instrument Acoustic Doppler Current]
                                                                               [profiler.]
      A  54    Stations Single-beam echosounding                               [Using NEC Echo sounder.]
      A  14    Stations Transparency(e.g. transmissometer)                     [Using Secchi Disk.]
      A  22    Drops    Bathythermograph drops                                 [X-BT drops sith T-6 type probes.]
                                                                               [ ]
      A  16    Stations Water bottle stations                                  [Using Rosette Sampler.]
                        Oxygen                                                
                        Phosphates                                            
                        Nitrates                                              
                        Nitrites                                              
                        Silicates                                             
      A  16    Stations pH                                                     [Using Rosette Sampler.]
      A  14    Stations Phytoplankton pigments(e.g. chlorophyll, fluorescence) [Using Rosette Sampler.]
      A  6     Stations Phytoplankton                                          [Using lricket (B08), NoRPAC net (B09).]
                        Zooplankton                                           
      A  5     Stations Radioactivity                                          [Using Niskin Bottle and bucket.]
      B  7     Stations Trace metals                                           [Heary metals (P02), Dissolved Hydrocarbons]
                        Petroleum residues                                     [(P03).]
      B  8     Stations Petroleum residues                                     [Using Neuston Net.]
      B  14    Stations Carbon dioxide                                         [Total inergamic carbon concentrarion in seawater.]
      B  581   Stations Atmospheric chemistry                                  [CH4 consentrarions in air.]
      B  605   Stations Carbon dioxide                                         [CO2 concentrarions in air and seawater.]
                        Atmospheric chemistry                                 
      C  211   Times    Routine standard measurements                          [observed every 3 hours.]
      C  27    Times    Upper air observations                                 [Using Shipboard Automatic Radio-Sonde System.]