Summary
Daytime rates of about 60 chemical and photochemical reactions, which can affect the concentration of ozone (03) in the troposphere and stratosphere, have been computed to examine the role of each of them in the production and destruction mechanisms of O3. Efficiency of various catalytic cycles causing O3 loss have also been studied. The behaviour of atomic oxygen, which is a key element in regulating O3 concentration in the atmosphere has been studied in detail. Results obtained show that, during daytime, the loss of O3 due to various chemical reactions can be neglected when compared to its loss due to photodissociation in different bands. Catalytic chains of NO, OH, HO2 and ClO are not much effective in sunlight.
Zusammenfassung
Es wurden die Tagesraten von etwa 60 chemischen und photochemischen Reaktionen berechnet, die die Konzentration von Ozon in Tropo- und Stratosphäre beeinflussen können, um die Rolle jeder einzelnen bei der Erzeugung und Zerstörung von O3 zu untersuchen. Ebenfalls studiert wurde die Wirksamkeit verschiedener katalytischer Kreisläufe, die Verluste von O3 verursachen. Das Verhalten des atomaren Sauerstoffs, der eine Schlüsselstellung bei der Regulierung der O3-Konzentration in der Atmosphäre einnimmt, wurde genau analysiert. Die gewonnenen Ergebnisse zeigen, daß während des Tages der Verlust von O3 durch chemische Reaktionen gegenüber seinem Verlust durch Photodissoziation in verschiedenen Bändern vemachlässigbar ist. Katalytische Ketten von NO, OH, HO2 und ClO sind im Sonnenlicht nicht sehr wirksam.
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Hingane, L.S. Aeronomic reactions of ozone in the troposphere and stratosphere. Arch. Met. Geoph. Biocl., Ser. B 36, 147–156 (1986). https://doi.org/10.1007/BF02278325
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DOI: https://doi.org/10.1007/BF02278325