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Methyl Chloroform Continues to Constrain the Hydroxyl (OH) Variability in the Troposphere
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2021
Source: Journal of Geophysical Research: Atmospheres, 126(4)
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Journal Title:Journal of Geophysical Research: Atmospheres
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Description:Trends and variability in tropospheric hydroxyl (OH) radicals influence budgets of many greenhouse gases, air pollutant species, and ozone depleting substances. Estimations of tropospheric OH trends and variability based on budget analysis of methyl chloroform (CH3CCl3) and process-based chemistry transport models often produce conflicting results. Here we use a previously tested transport model to simulate atmospheric CH3CCl3 for the period 1985–2018. Based on mismatches between model output and observations, we derive consistent anomalies in the inverse lifetime of CH3CCl3 (KG) using measurements from two independent observational networks (National Oceanic and Atmospheric Administration and Advanced Global
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Source:Journal of Geophysical Research: Atmospheres, 126(4)
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ISSN:2169-897X;2169-8996;
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Rights Information:Other
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