CAMS Release 2026-1 of Level 1 Greenhouse Gas Mole Fractions of flask samples analysed for CO2, CH4, N2O, CO, H2, SF6, 14C, delta13C_co2 and delta18O_co2

2026.1 Level 1 release containing data from the the ICOS-candidate tall tower station Białystok (BIK, Poland). This collection contains the flask samples analysed for CO2, CH4, N2O, CO, H2, SF6, delta13C_CO2, deltaO18_CO2, O2/N2 and 14C available for the period January 1, 2024 to June 30, 2025. All analysis went through a manual quality control. All data follow the ICOS Atmospheric Station specification V2.0 (https://doi.org/10.18160/GK28-2188).