The infrared solar observations recorded by the GIRPAS team at the Jungfraujoch station are analyzed with reference algorithms developed in the framework of the Infrared Working Group (IRWG) of the NDACC network. This allows us to retrieve vertical abundance –and in most cases information on the shape of the mixing ratio profile with altitude– for a suite of tropospheric and/or stratospheric target gases and to characterize their long-term changes. Corresponding data for C2H2, C2H6, CH4, ClONO2, CO, H2O, HCl, HCN, HF, HNO3, N2O, NO2 et O3 are archived using the hdf format; they can be downloaded from the NDACC data host facility. Data for additional target gases are available upon request.

In addition, the GIRPAS team contributes to the CAMS service (Copernicus Atmospheric Monitoring service) of the European Union’s Earth Observation Programme, by providing in an accelerated manner data for CO, CH4 and ozone. These data, available here, are essential for the validation and the improvement of the models used for the prediction and description of air quality, of the state of the ozone layer,… in Europe and on the global scale.