Observation lines of Japan Meteorological Agency
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 III 2024 | Japan | See map | Tokyo, Japan | 2023 | 6-7/year | Kazutaka Enyo, Koji Kadono / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2023 | Japan | See map | Tokyo, Japan | 2023 | 6-7/year | Kazutaka Enyo, Koji Kadono / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2022 | Japan | See map | Tokyo, Japan | 2022 | 6-7/year | Kazutaka Enyo, Koji Kadono / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2021 | Japan | See map | Tokyo, Japan | from 2021-01-13 to 2021-10-11 | 6-7/year | Koji Kadono / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2020 | Japan | See map | Tokyo, Japan | from 2020-09-21 to 2020-11-03 | 6-7/year | Koji Kadono / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2019 | Japan | See map | Tokyo, Japan | from 2019-01-10 to 2019-09-22 | 6-7/year | Koji Kadono / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2018 | Japan | See map | Tokyo, Japan | from 2018-01-11 to 2018-12-22 | 7/year | Koji Kadono / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2017 | Japan | See map | Tokyo, Japan | from 2017-01-07 to 2017-12-22 | 4-5/year | Keizo Sakurai / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2016 | Japan (ongoing) | See map | Tokyo, Japan | from 2016-01-07 to 2016-12-21 | 4-5/year | Keizo Sakurai / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru III 2014-2015 | Japan (ongoing) | See map | Tokyo, Japan | from 2014-03-07 to 2015-12-12 | 4-5/year | Shu Saito / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru 2010-2013 | Japan (ongoing) | See map | Tokyo, Japan | 2010-04-15 to 2013-09-13 | 1-2/year | A. Nakadate, S. Saito / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru 2000-2009 | Japan (ongoing) | See map | Tokyo, Japan | 2000-01-22 to 2009-07-06 | 1-2/year | A. Nakadate, S. Saito / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru 1995-1999 | Japan (ongoing) | See map | Tokyo, Japan | 1995-07-16 to 1999-11-05 | 1-2/year | A. Nakadate, S. Saito / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Ryofu Maru 1989-1995 | Japan (ongoing) | See map | Tokyo, Japan | 1989-11-17 to 1995-03-07 | 1-2/year | A. Nakadate, S. Saito / Japan Meteorological Agency (JMA) | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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 II 2023 | Japan (ongoing) | See map | Tokyo, Japan | from 2022-01-08 to 2022-09-28 | 8/Year | Koji Kadono / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Keifu Maru II 2022 | Japan (ongoing) | See map | Tokyo, Japan | 2022 | 8/Year | Koji Kadono / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Keifu Maru II 2021 | Japan (ongoing) | See map | Tokyo, Japan | from 2021-01-08 to 2021-10-28 | 8/Year | Koji Kadono / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
|
| R/V Keifu Maru II 2020 | Japan (ongoing) | See map | Tokyo, Japan | from 2020-10-21 to 2020-12-19 | 2/Year | Koji Kadono / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
|
| R/V Keifu Maru II 2019 | Japan (ongoing) | See map | Tokyo, Japan | from 2019-01-08 to 2019-10-19 | 6/Year | Koji Kadono / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Keifu Maru II 2018 | Japan (ongoing) | See map | Tokyo, Japan | from 2018-01-06 to 2018-11-15 | 8/Year | Koji Kadono / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
|
| R/V Keifu Maru II 2017 | Japan (ongoing) | See map | Tokyo, Japan | from 2017-01-10 to 2017-12-22 | 6-8/Year | Keizo Sakurai / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Keifu Maru II 2016 | Japan (ongoing) | See map | Tokyo, Japan | from 2016-01-07 to 2016-12-14 | 1-2/Year | Keizo Sakurai / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Keifu Maru II 2015 | Japan (ongoing) | See map | Tokyo, Japan | from 2015-01-08 to 2015-11-30 | 1-2/Year | Shu Saito / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Keifu Maru 2012-2013 | Japan (ongoing) | See map | Ohi, Tokyo, Japan | 2012-10-24 to 2013-08-27 | 1-2/Year | A. Nakadate, S. Saito / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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| R/V Keifu Maru 2001-2012 | Japan (ongoing) | See map | Ohi, Tokyo, Japan | 2001-01-20 to 2012-06-12 | 1-2/Year | A. Nakadate, S. Saito / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
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/Year | A. Nakadate / Japan Meteorological Agency | SST, SSS, xCO2atm, xCO2_equil, Atm. Press. |
Data files Metadata |
Last modified: 2025-06-05T16:44:41Z
