Data Policy
GAW Data Policy
"For Scientific purposes, access to these data is unlimited and provided without charge.
By their use you accept that an offer of co-authorship will be made through personal contact with the data providers
or owners whenever substantial use is made of their data.
In all cases, an acknowledgement must be made to the data providers or owners and to the data centre when these data are used within a publication."
Version
2025-01-01-0001 (Last updated: 2024-12-16)File
This data set is submitted by JMA.
In line with the GAW Data Policy, users should contact the contributors of all data of interest and propose co-authorship or acknowledgement.
Organization
| NO | 1 |
|---|---|
| Acronym | JMA |
| Name | Japan Meteorological Agency |
| Address 1 | |
| Address 2 | |
| Address 3 | 3-6-9 Toranomon, Minato City, Tokyo 105-8431 |
| Country/Territory | Japan |
| Website | https://www.jma.go.jp/jma/indexe.html |
Contact(s)
| Name | TAKATSUJI Shinya |
|---|---|
| Prefix | Mr. |
| ghg_obs@met.kishou.go.jp | |
| Organization No | 1 |
| Organization acronym | JMA |
| Organization name | Japan Meteorological Agency |
| Organization country/territory | Japan |
| Address 1 | Atmosphere and Ocean Department |
| Address 2 | Atmospheric Environment and Ocean Division |
| Address 3 | 3-6-9 Toranomon, Minato City, Tokyo 105-8431 |
| Country/territory | Japan |
| Tel | +81-3-3434-9127 |
| Fax | |
| Last updated date | 2025-10-01 |
| Background observation | |
| UTC+09:00 | |
| ppb | |
|
2011-02-16 00:00:00 - 9999-12-31 23:59:59: WMO CH4 X2004A |
|
|
2011-02-16 00:00:00 - 9999-12-31 23:59:59: G2301 Analyzer for CO2/CH4/H2O PICARRO Inc.(CRDS) |
|
|
9999-12-31 00:00:00 - 9999-12-31 23:59:59: NA (m) |
|
| event | |
| Calibration gases used:(CO2,CH4,CO,N2O)-in-air | |
|
[Hourly] [Daily] [Monthly] |
|
|
0-6: no background condition 7: background condition 9: missing The flag has a positive or negative value. The concentration with the flag of a negative number is provisional and the selection is the same. |
|
| Operational/Reporting | |
| Air samples were collected into 24 titanium flasks using manual air sampling pump from Atsugi Air Base to Minamitorishima. | |
|
Wind direction: Wind speed: Relative humidity: Precipitation amount: Air pressure: Air temperature: Dew point temperature: Sea water temperature: Sea surface water temperature: Sea water salinity: Sea surface water salinity: |
|
|
Meteorological data may remain as first provided, even when greenhouse gas data are updated. |
DOI Metadata
GAW Data Policy
"For Scientific purposes, access to these data is unlimited and provided without charge.
By their use you accept that an offer of co-authorship will be made through personal contact with the data providers
or owners whenever substantial use is made of their data.
In all cases, an acknowledgement must be made to the data providers or owners and to the data centre when these data are used within a publication."
Citation format
This format is an example of the WDCGG standard citation.
Please follow the citation format which the data providers or owners indicate.
Please follow the citation format which the data providers or owners indicate.
TAKATSUJI Shinya (JMA),
Atmospheric CH4
by Aircraft (Western North Pacific), Japan Meteorological Agency,
dataset published as CH4_AOA8002_aircraft-flask_JMA_data1 at WDCGG,
ver. 2025-01-01-0001, https://doi.org/10.50849/WDCGG_0001-8002-1002-05-02-9999 (Reference date*: YYYY/MM/DD)
* As the reference date, please indicate the date you downloaded the files.
* As the reference date, please indicate the date you downloaded the files.
Reference(s)
| 1 | Tsuboi, K., et al., Evaluation of a new JMA aircraft flask sampling system and laboratory trace gas analysis system, Atmos. Meas. Tech., 6, 1257-1270, 2013. |
|---|---|
| 2 | Niwa, Y., et al., Seasonal Variations of CO2, CH4, N2O and CO in the Mid-Troposphere over the Western North Pacific Observed Using a C-130H Cargo Aircraft, Journal of the Meteorological Society of Japan. Ser. II, Vol.92(2014)No.1, 55-70, 2014. |
