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GAW Report, 263. Report of the Fifth Methane Reference Gas Inter-comparison Experiment for Japan from 2018 to 2019
World Meteorological Organization (WMO) ; Japan Meteorological Agency (JMA); Teruo Kawasaki, Atsuya Kinoshita, Yousuke Sawa, Akihiko Murata, Shinji Morimoto, Shohei Murayama, Toshinobu Machida, Motoki Sasakawa, Kazuhiro Tsuboi - WMO, 2021The WCC-JMA organized six rounds of the CH4 reference gas inter-comparison experiments from 2001 to 2019 to quantify differences among CH4 standard scales implemented at each participating laboratory as well as to monitor the long-term stability of standard gases in Asia and the South-West Pacific. In the 5th round inter-comparison for Japan, two reference gas cylinders were circulated in turn to JMA, JAMSTEC, TU, AIST, NIES, MRI, and JMA from September 2018 to April 2019. The measurement results of JAMSTEC and WCC-JMA have shown a good agreement with differences of less than 0.4 ppb for two ...
World Meteorological Organization (WMO) ; Japan Meteorological Agency (Japan) ; Teruo Kawasaki, Atsuya Kinoshita, Yousuke Sawa, Akihiko Murata, Shinji Morimoto, Shohei Murayama, Toshinobu Machida, Motoki Sasakawa, Kazuhiro Tsuboi
Published by: WMO, JMA ; 2021The WCC-JMA organized six rounds of the CH4 reference gas inter-comparison experiments from 2001 to 2019 to quantify differences among CH4 standard scales implemented at each participating laboratory as well as to monitor the long-term stability of standard gases in Asia and the South-West Pacific. In the 5th round inter-comparison for Japan, two reference gas cylinders were circulated in turn to JMA, JAMSTEC, TU, AIST, NIES, MRI, and JMA from September 2018 to April 2019. The measurement results of JAMSTEC and WCC-JMA have shown a good agreement with differences of less than 0.4 ppb for two cylinders, whereas the differences between other laboratories and WCC-JMA ranged from 0.96 to 3.77 ppb, mainly due to differences of CH4 calibration scales.
Collection(s) and Series: GAW Report- No. 263
Language(s): English
Format: Digital (Free)Tags: Atmosphere ; Global Atmosphere Watch Programme (GAW)
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Japanese National Report on Systematic Observations for Climate : National Activities with Respect to the Global Climate Observing System (GCOS) Implementation Plan
Japanese National Report on Systematic Observations for Climate: National Activities with Respect to the Global Climate Observing System (GCOS) Implementation Plan
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Available online: Full text
Global Climate Observing System (GCOS) ; Japan Meteorological Agency (Japan)
Published by: JMA ; 2014Language(s): English
Format: Digital (Free)Tags: Climate monitoring ; Climatic data ; Japan ; Global Climate Observing System (GCOS)
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JRA-25 Atlas : (Japanese 25-year Reanalysis)
JMA, 2008The Japan Meteorological Agency (JMA) and the Central Research Institute of Electric Power Industry (CRIEPI) jointly conducted the Japanese 25-year Reanalysis (JRA-25) project for five years from 2001. Quality-controlled observational data from past decades and the latest numerical assimilation and prediction technology were used to produce a long-term record of the state of the atmosphere. The reanalysis covers the 26-year period from 1979 to 2004, and provides consistent and high-quality data. The JRA-25 product is widely used for research on meteorology and climatology, as well as for opera ...
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Available online: http://ds.data.jma.go.jp/gmd/jra/atlas/eng/atlas-tope.htm
Published by: JMA ; 2008
The Japan Meteorological Agency (JMA) and the Central Research Institute of Electric Power Industry (CRIEPI) jointly conducted the Japanese 25-year Reanalysis (JRA-25) project for five years from 2001. Quality-controlled observational data from past decades and the latest numerical assimilation and prediction technology were used to produce a long-term record of the state of the atmosphere. The reanalysis covers the 26-year period from 1979 to 2004, and provides consistent and high-quality data. The JRA-25 product is widely used for research on meteorology and climatology, as well as for operational climate monitoring and seasonal forecasting.
Maps of annual, seasonal and monthly averaged climate fields of various meteorological variables from the JRA-25 products have been archived as the JRA-25 Atlas. We hope that the Atlas will be widely used for research and education.Language(s): English, Japanese
Format: Digital (Free), Hard copy (ill., charts, maps)Tags: Observations ; Climate ; Measure ; Climatic data ; Atlas
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World Meteorological Organization (WMO) ; Japan Meteorological Agency (Japan)
Published by: WMO, JMA ; 2002Collection(s) and Series: WDCGG- No. 26
Language(s): English
Format: Hard copyTags: Information management ; Greenhouse gas (GHG) ; Global Atmosphere Watch Programme (GAW)
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WMO WCDGG Data Report - GAW Data, volume IV - Greenhouse gases and other atmospheric gases: (Data accepted during the period: July 2000 through December 2000; covering the period: July 1978 through October 2000)
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World Meteorological Organization (WMO) ; Japan Meteorological Agency (Japan)
Published by: WMO, JMA ; 2001Collection(s) and Series: WDCGG- No. 25
Language(s): English
Format: Hard copyTags: Information management ; Greenhouse gas (GHG) ; Global Atmosphere Watch Programme (GAW)
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