This dataset contains water temperature, salinity, oxygen, currents and other data taken by CTD, Niskin bottles, and ADCP from the research vessel Keifu Maru, cruise KS19-02, in the north Pacific. The entire cruise was carried out during the period from February to March, 2019. Hydrographic observation was made using a Sea-Bird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 165. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment chlorophyll-a and phaeopigments). Current data was measured by Teledyne RDI's vessel-mounted ADCP system (38kHz Ocean Surveyor). This dataset is U.S. State Department MSR U2018-024 as part of the World Data Service for Oceanography. Data are in PDF.

This dataset contains water temperature, salinity, oxygen, currents and other data taken by CTD, Niskin bottles, and ADCP from the research vessel Keifu Maru, cruise KS14-05, in the North Pacific Ocean. The entire cruise was carried out during the period from June to August, 2014. Hydrographic observation was made using a SeaBird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 165E. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment (chlorophyll-a and phaeopigments). Current data was measured by Teledyne RDI's vessel-mounted ADCP system (38kHz Ocean Surveyor). This dataset is U.S. State Department MSR U2014-002 as part of the World Data Service for Oceanography. Data are in PDF.

This dataset contains Water temperature, salinity, oxygen, currents and others taken by CTD, Niskin bottles, and ADCP from the research vessel Keifu Maru, cruise KS14-02, in the North Pacific Ocean. The entire cruise was carried out during the period from February to March, 2014. Hydrographic observation was made using a Sea-Bird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 165E. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment (chlorophyll-a and phaeopigments). Current data was measured by ship-mounting Acoustic Doppler Current Profiler. This dataset is U.S. State Department MSR U2013-031 as part of the World Data Service for Oceanography Data are in PDF.

This dataset contains water temperature, salinity, oxygen, currents and other data taken by CTD, Niskin bottles, and ADCP from the research vessel Keifu Maru, cruise KS15-06, in the North Pacific Ocean. The entire cruise was carried out during the period from June to August, 2015. Hydrographic observation was made using a Sea-Bird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 165E. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment (chlorophyll-a and phaeopigments). Current data was measured by Teledyne RDI's vessel-mounted ADCP system (38kHz Ocean Surveyor). This dataset is U.S. State Department MSR U2014-036 as part of the World Data Service for Oceanography. Data are in PDF.

This dataset contains water temperature, salinity, oxygen, currents and others taken by CTD, Niskin bottles, and ADCP from the research vessel Keifu Maru, cruise KS12-02, in the North Pacific Ocean from 2012-02-14 to 2012-02-16. The cruise was carried out during the period from February to March, 2012. Hydrographic observation was made using a Sea-Bird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 165 degree East. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment (chlorophyll-a and phaeopigments). Current data was measured by ship-mounting Acoustic Doppler Current Profiler. This dataset is U.S. State Department MSR U2011-023 as part of the World Data Service for Oceanography Data are in PDF.

This dataset contains water temperature, salinity, oxygen, currents and other data taken by CTD, Niskin bottles, and ADCP from the research vessel Keifu Maru, cruise KS20-02, in the north Pacific. The entire cruise was carried out during the period from January to March, 2020. Hydrographic observation was made using a Sea-Bird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 165E. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment (chlorophyll-a and phaeopigments). Current data was measured by Teledyne RDI's vessel-mounted ADCP system (38kHz Ocean Surveyor). This dataset is U.S. State Department MSR U2019-026 as part of the World Data Service for Oceanography. Data are in PDF.

This dataset contains water temperature, salinity, oxygen, currents and other data taken by CTD, Niskin bottles, and ADCP from the research vessel Keifu Maru, cruise KS18-02, in the north Pacific. The entire cruise was carried out during the period from January to March, 2018. Hydrographic observation was made using a Sea-Bird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 165E. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment (chlorophyll-a and phaeopigments). Current data was measured by Teledyne RDI's vessel-mounted ADCP system (38kHz Ocean Surveyor). This dataset is U.S. State Department MSR U2017-024 as part of the World Data Service for Oceanography. Data are in PDF.

This dataset contains water temperature, salinity, oxygen, currents and others taken by CTD, Niskin bottles, and ADCP from the research vessel, cruise KS16-07, in the North Pacific Ocean. The entire cruise was carried out during the period from July to September, 2016. Hydrographic observation was made using a Sea-Bird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 165E. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment (chlorophyll-a and phaeopigments). Current data was measured by Teledyne RDI's vessel-mounted ADCP system (38kHz Ocean Surveyor). This dataset is U.S. State Department MSR U2016-003 as part of the World Data Service for Oceanography Data are in PDF.

This dataset contains water temperature, salinity, oxygen, currents and other chemical and biological measurements taken by CTD, Niskin bottle, ADCP from the research vessel Keifu Maru in the NORTH Pacific Ocean. KS11-02 cruise was carried out during the period from February to March, 2011. Hydrographic observation was made using a SeaBird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along longitude 165 degree East. Water samples were analyzed for salinity, dissolved oxygen, nutrients, pH and phytopigment (chlorophyll-a and phaeopigments). Current data was measured by Teledyne RDI's vessel-mounted ADCP system (38kHz Ocean Surveyor). These data are part of the World Data Service and US State Department Marine Research Data U2011-003. Data are in PDF.

This dataset contains water temperature, salinity, oxygen, currents and other data taken by CTD, Niskin bottles, and ADCP from the research vessel Keifu Maru, cruise KS16-02, in the North Pacific. The entire cruise was carried out during the period from February to March, 2016. Hydrographic observation was made using a Sea-Bird Electronics (SBE) 36 position carousel equipped with 10-liter Niskin water sample bottles, a CTD system (SBE911plus) equipped with JFE Advantech oxygen sensor (RINKO III) along 149E. Water samples were analyzed for salinity, dissolved oxygen and nutrients. Current data was measured by Teledyne RDI's vessel-mounted ADCP system (38kHz Ocean Surveyor). This dataset is U.S. State Department MSR U2015-022 as part of the World Data Service for Oceanography. Data are in PDF.