The late Ernst-Georg Beck wrote a monumental article titled “Reconstruction of Atmospheric CO2 Background Levels since 1826 from Direct Measurements near Ground “, published in this journal in 2022 (Beck, 2022).
Beck‘s results are controversial, especially because his reconstruction showed a pronounced peak in atmospheric CO2 around 1940, which is contrary to the common understanding of the CO2 history based on ice-core measurements. Beck’s paper was commented by Ferdinand Engelbeen (Engelbeen 2023), and thereafter, the editor invited to an Open Review process of Engelbeens
article. The result of the Open Review process is summarized in this paper, with contributions from three named contributors and one unidentified blogger.
Continue reading: More Comments to Engelbeen’s Discussion Paper by Jan-Erik Solheim.