| Data | Extension | Period | Format | Last updated | Information |
|---|---|---|---|---|---|
| Summary of cruise | .SUM | All Period |  24kB |
16 May 2025 | A summary of each cruise, including the period of cruise, equipment of a ship and other information related to the cruise. |
| Station information | .STN | Before winter of 2010 cruise | 44kB |
5 September 2011 | The date, time, location and other information of the observation stations in the cruise. |
| After spring of 2010 cruise | 96kB |
16 May 2025 | |||
| Hydrographic data | .E | Before winter of 2010 cruise | 45kB |
29 January 2015 | Data of water temperature, salinity, oxygen, nutrients and other materials in sampling layers. Water temperature and salinity at the standard depths are also included. |
| After spring of 2010 cruise | 48kB |
16 May 2025 | |||
| CTD and XCTD data | .CTD .XCT | Before winter of 2010 cruise | 65kB |
10 September 2008 | Data of water temperature, salinity and oxygen at every 1 dbar of depth by CTD (Conductivity Temperature Depth profiler) and/or XCTD (expendable CTD). |
| After spring of 2010 cruise | 40kB |
16 May 2025 | |||
| XBT-DBT data for standard depth | .T | All Period | 40kB |
16 May 2025 | Data of water temperature at the standard depths by XBT (expendable bathythermograph) and/or DBT (digital bathythermograph). |
| XBT-DBT data | .BT | Before winter of 2010 cruise | 38kB |
1 September 2011 | Data of water temperature at every 1m of depth by XBT (expendable bathythermog raph) and/or DBT (digital bathythermograph). |
| After spring of 2010 cruise | 40kB |
16 May 2025 | |||
| Water sample data | .WAT | Before winter of 2010 cruise | 44kB |
29 January 2015 | Data of oxygen, nutrients, total inorganic carbon and other materials in sampled water. |
| After spring of 2010 cruise | 104kB |
16 May 2025 | |||
| Subsurface current data | .A | All Period | 32kB |
16 May 2025 | Data of multi-layer subsurface current by acoustic current meter. |
| Greenhouse gas data | .WAY | All Period | 80kB |
16 May 2025 | Data of carbon dioxide and methane concentration in marine air and surface water. |
| Floating pollutant data | .FLT | All Period | 72kB |
16 May 2025 | Number of floating pollutants (e.g. plastic materials) by visual observation. |
| Tar ball data | .TRB | All Period | 72kB |
16 May 2025 | Data of floating tar balls. |
| Petroleum hydrocarbon and heavy metal data | .OHM | All Period | 19kB |
5 August 2011 | Data of petrolem hydrocarbon in surface water, and data of mercury and cadmium in sea water. |
| Maritime meteorological data | IM2.TXT IM3.TXT |
Before 2011 cruise | 39kB |
7 June 2011 | Data of maritime meteorological observation (e.g. air temperature, wind speed and wind direction) by research vessels. |
| IM5.TXT | After 2012 cruise | 104kB |
2 July 2013 | ||
| WMO code tables | All Period | 86kB |
7 May 2007 | WMO code tables of maritime meteorological data. | |
| Aerological data | .AER | All Period | 32kB |
16 May 2025 | Data of upper-air observation (e.g. air temperature, wind speed and wind direction) by radiosondes launched from reseach vessels of JMA |
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