Articles | Volume 14, issue 2
Earth Syst. Sci. Data, 14, 991–1014, 2022
https://doi.org/10.5194/essd-14-991-2022
Earth Syst. Sci. Data, 14, 991–1014, 2022
https://doi.org/10.5194/essd-14-991-2022

Data description paper 02 Mar 2022

Data description paper | 02 Mar 2022

Two decades of flask observations of atmospheric δ(O2∕N2), CO2, and APO at stations Lutjewad (the Netherlands) and Mace Head (Ireland), and 3 years from Halley station (Antarctica)

Linh N. T. Nguyen et al.

Data sets

Two decades of flask observations of atmospheric δO2/N2, CO2, and APO at stations Lutjewad (the Netherlands) and Mace Head (Ireland) plus 3 years from Halley station (Antarctica) Linh N. T. Nguyen, Harro A. J. Meijer, and Ingrid T. Luijkx https://doi.org/10.18160/qq7d-t060

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Short summary
We present 20-year flask sample records of atmospheric CO2, O2, and APO from the stations Lutjewad (the Netherlands), Mace Head (Ireland), and Halley (Antarctica). Data from Lutjewad and Mace Head show similar long-term trends and seasonal cycles, agreeing with measurements from another station (Weybourne, UK). Measurements from Halley agree partly with those conducted by other institutes. From our 2002–2018 Lutjewad and Mace Head records, we find good agreement for global ocean carbon uptake.