| 1. Cruise code : | 
     
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     |  2. Main research theme:
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        | Time-series observational study on the Material Cycle 
         in the North Pacific |  | 
    
     |  3. Objectives:
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        | The northern North Pacific, especially its western part, 
         has been attracting attention of chemical oceanographers because of its 
         importance in global biogeochemical cycles of carbon and its related 
         materials, which have a great impact to the climate change of the earth. 
         In addition, physical oceanographers have been interested in that region 
         with respect to the formation of the North Pacific Intermediate Water. 
         Despite its importance, there has been few systematic survey and time-series 
         observation of biogeochemical processes in the area to estimate the impact 
         of high latitude seas on the global climate change. |  | 
    
     |  4. Outline of observation:
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        | Based on the above mentioned goal, time-series observational 
         stations including station K1 (51N, 165E), K2 (47N, 160E) and K3 (39N, 
         160E) were set. During cruise, time-series observational mooring systems 
         will be recovered and deployed. In addition, seawater, aerosol, suspended 
         materials and plankton will be collected at above stations, KNOT and 
         so on. Vertical profiles of salinity and temperature will be measured 
         by XBT and XCTD. |  | 
    
     |  5. Main research area:
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        | The northwestern North Pacific including the above stations |  | 
    
     |  6. Ports of call:
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        | Port of departure : Sekinehama Returning port : Sekinehama
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     |  7. Cruise period:
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     | 
        
        | 28 February 2005 - 24 March 2005 (25 days) |  | 
    
     |  8. Chief scientist on board:
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     | 
        
        | Makio Honda (Chemical Oceanography) |  | 
    
     |  9. Contact person for questionnaire on this cruise:
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        | Makio Honda Must Institute for Oceanography (MIO)
 Japan Marine Science and Technology Center (JAMSTEC) (Yokosuka office)
 2-15 Natsushima-cho, Yokosuka, 237-0061, Japan
 Phone: +81-46-867-9502, Fax: +81-46-867-9455, E-mail: hondam@jamstec.go.jp
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