In the ALE global network program, continuous high frequency gas chromatographic measurements of six anthropogenic gases are carried out at globally distributed sites.
The Atmospheric Lifetime Experiment (ALE) utilizes Hewlett Packard HP5840 gas chromatographics components.
Individual measurements are generally made 4 times daily at each site for ALE.
This site is operated by the Japan Meteorological Agency
in cooperation with the World Meteorological Organization
(Created : 2001/07/02 Updated : 2017/12/05)
WMO World Data Centre for Greenhouse Gases
c/o Japan Meteorological Agency
1-3-4, Otemachi, Chiyoda-ku
Tokyo 100-8122, Japan