Observational Constraints Reveal Biases in OVOC-Driven Radical Chemistry. (IMAGE)
Caption
Observational Constraints Reveal Biases in OVOC-Driven Radical Chemistry. Schematic illustration of how limited OVOC constraints bias simulations of radical (ROₓ) chemistry and ozone formation. When only a small subset of OVOCs is considered, key intermediates such as methylglyoxal and MVK + MACR are strongly overestimated, while biacetyl is substantially underestimated, leading to distorted OVOC photolysis contributions and ROₓ budgets. Incorporating comprehensive OVOC observations corrects these offsetting errors, redistributes photolysis pathways, and yields a more realistic representation of radical cycling and ozone production in background air.
Credit
Environmental Science and Ecotechnology
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