Japan Meteorological Agency | Data of Oceanographic and Marine Meteorological Observation | Oceanographic and Marine Meteorological Observations by Research Vessels

Data	Extension	Period	Format	Last updated	Information
Summary of cruise	.SUM	All Period	22kB	29 August 2011	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	46kB	23 March 2012
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	46kB	5 September 2011
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	31kB	1 September 2011
XBT-DBT data for standard depth	.T	All Period	36kB	24 August 2011	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	33kB	1 September 2011
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	50kB	23 March 2012
Subsurface current data	.A	All Period	29kB	24 August 2011	Data of multi-layer subsurface current by acoustic current meter.
Greenhouse gas data	.WAY	All Period	20kB	5 August 2011	Data of carbon dioxide and methane concentration in marine air and surface water.
Floating pollutant data	.FLT	All Period	18kB	5 August 2011	Number of floating pollutants (e.g. plastic materials) by visual observation.
Tar ball data	.TRB	All Period	18kB	5 August 2011	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	41kB	11 September 2008	Data of upper-air observation (e.g. air temperature, wind speed and wind direction) by radiosondes launched from reseach vessels of JMA

Data

Extension

Period

Format

Last updated

Information

Summary of cruise

.SUM

All Period

22kB

29 August 2011

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

46kB

23 March 2012

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

46kB

5 September 2011

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

31kB

1 September 2011

XBT-DBT data for standard depth

.T

All Period

36kB

24 August 2011

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

33kB

1 September 2011

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

50kB

23 March 2012

Subsurface current data

.A

All Period

29kB

24 August 2011

Data of multi-layer subsurface current by acoustic current meter.

Greenhouse gas data

.WAY

All Period

20kB

5 August 2011

Data of carbon dioxide and methane concentration in marine air and surface water.

Floating pollutant data

.FLT

All Period

18kB

5 August 2011

Number of floating pollutants (e.g. plastic materials) by visual observation.

Tar ball data

.TRB

All Period

18kB

5 August 2011

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

41kB

11 September 2008

Data of upper-air observation (e.g. air temperature, wind speed and wind direction) by radiosondes launched from reseach vessels of JMA

Description and format of data