Sensitivity of ozone production rate to ozone precursors

Autor:	Yin-Nan Lee, Lawrence I. Kleinman, Jochen Rudolph, Stephen R. Springston, Judith Weinstein-Lloyd, Peter H. Daum, L. J. Nunnermacker
Rok vydání:	2001
Předmět:	chemistry.chemical_classification Ozone Meteorology Radical Thermodynamics Dilution Troposphere chemistry.chemical_compound Combination reaction Geophysics chemistry General Earth and Planetary Sciences Volatile organic compound Nitrogen oxide NOx
Zdroj:	Geophysical Research Letters. 28:2903-2906
ISSN:	0094-8276
DOI:	10.1029/2000gl012597
Popis:	The photochemical equations describing 03 forma- tion in the lower troposphere contain 2 major sink terms for free radicals; combination reactions and reactions with NOx. Knowing the fraction of radicals removed by reactions with NOx, termed L/Q, allows one to predict the sensitivity of 03 production to NO and VOCs. We derive an analytic formula that gives LN/Q in terms of readily measured O3 precursors and test this formula using constrained steady state calculations based on field observations gathered in Phoenix, Arizona. The formula quantifies well-known results regarding the effects of dilution, oxidation, and the production of oxidants on the transition from VOC to NOx sensitive behavior as an air parcel is advected away from an urban source.
Databáze:	OpenAIRE
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