Articles | Volume 22, issue 5
Atmos. Chem. Phys., 22, 3507–3524, 2022
https://doi.org/10.5194/acp-22-3507-2022
Atmos. Chem. Phys., 22, 3507–3524, 2022
https://doi.org/10.5194/acp-22-3507-2022

Research article 16 Mar 2022

Research article | 16 Mar 2022

Changes in anthropogenic precursor emissions drive shifts in the ozone seasonal cycle throughout the northern midlatitude troposphere

Henry Bowman et al.

Data sets

Tropospheric ozone assessment report: Database and metrics data of global surface ozone observations (https://toar-data.org) M. G. Schultz, S. Schröder, O. Lyapina, et al. https://doi.org/10.1525/elementa.244

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Short summary
A full understanding of ozone in the troposphere requires investigation of its temporal variability over all timescales. Model simulations show that the northern midlatitude ozone seasonal cycle shifted with industrial development (1850–2014), with an increasing magnitude and a later summer peak. That shift reached a maximum in the mid-1980s, followed by a reversal toward the preindustrial cycle. The few available observations, beginning in the 1970s, are consistent with the model simulations.
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