R/V Ryofu Maru Line

Vessel Country Map Ports Dates of Operation Frequency of Repeat PI/Chief Scientist Measurements Data Project Link
R/V Ryofu Maru Japan (ongoing) See map Tokyo, Japan 11/17/1989 - 05/15/2007 1-2/yearA. Nakadate / Japan Meteorological Agency SST, SSS, xCO2atm, xCO2_equil, Atm. Press. Data files

R/V Keifu Maru Line

Vessel Country Map Ports Dates of Operation Frequency of Repeat PI/Chief Scientist Measurements Data Project Link
R/V Keifu Maru Japan (ongoing) See map Ohi, Tokyo, Japan 01/20/2001 - 04/24/2007 1-2/YearA. Nakadate / Japan Meteorological Agency SST, SSS, xCO2atm, xCO2_equil, Atm. Press. Data files

R/V Kofu Maru Line

Vessel Country Map Ports Dates of Operation Frequency of Repeat PI/Chief Scientist Measurements Data Project Link
R/V Kofu Maru Japan (completed) See map Tokyo, Japan 04/29/1998 - 04/26/2002 1-2/YearA. Nakadate / Japan Meteorological Agency SST, SSS, xCO2atm, xCO2_equil, Atm. Press. Data files

Note: The R/V Ryofu-Maru, Keifu-Maru and Kofu-Maru data were updated on 08/29/2008 to be consistent to the current WMO mole fraction scale; X2005.

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