| NO | 48 |
|---|---|
| Acronym | MRI |
| Name | Meteorological Research Institute |
| Address 1 | Department of Climate and Geochemistry Research |
| Address 2 | Meteorological Research Institute |
| Address 3 | 1-1 Nagamine, Tsukuba, 305-0052, Japan |
| Country/Territory | Japan |
| Website | https://www.mri-jma.go.jp/index_en.html |
| Name | Hidekazu Matsueda |
|---|---|
| Prefix | |
| k20007@dokkyo.ac.jp | |
| Organization No | 48 |
| Organization acronym | MRI |
| Organization name | Meteorological Research Institute |
| Organization country/territory | Japan |
| Address 1 | |
| Address 2 | |
| Address 3 | Nagamine 1-1, Tsukuba, Ibaraki 305-0052, Japan |
| Country/territory | Japan |
| Tel | +81-29-853-8723 |
| Fax | |
| Last updated date | 2025-01-16 |
| Unknown | |
| Unknown | |
| permil | |
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9999-12-31 00:00:00 - 9999-12-31 23:59:59: PDB |
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9999-12-31 00:00:00 - 9999-12-31 23:59:59: Finnigan MAT 250(Mass spectrometry) |
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PDB scale on the basis isotope of the atmospheric CO2 and concentration of atmospheric CH4. Calibration gases used: pure-CO2 (CaCO3 + H3PO4) |
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| Comparison with surface data at baseline stations. | |
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[Hourly] [Daily] [Monthly] |
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| * is contamination episode. | |
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Valid: * |
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| Temporarily suspended | |
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The isotopic composition of carbon and oxygen of CO2 was measured on a triple ion collector mass spectrometer. Air sample were taken from the air intake mounted on the escape hatch, and introduced into a 3l stainless flask with metal stopcocks at both ends by the metal bellows pump (MB 158). To study the large-scale mixing of the tropospheric air through the observation of the concentration and carbon isotope of the atmospheric CO2 and concentration of atmospheric CH4. |
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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: |
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Meteorological data may remain as first provided, even when greenhouse gas data are updated. |
| 1 | Inoue, H. Y. and H. Matsueda, 1991: Atmospheric CO2 and CH4 observed during the Flight of International Strato/Tropospheric Air Chemistry I. Papers in Meteorology and Geophysics, 42, 3-10. |
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| 2 | Matsueda H., 1993: Intercalibration experiment of the methane standard gas scale between NOAA/CMDL and MRI/GRL. papers in Meteorology and Geophysics, 44, 45-56. |