OH and HO2 chemistry during NAMBLEX
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چکیده
OH and HO2 chemistry during NAMBLEX: roles of oxygenates, halogen oxides and heterogeneous uptake R. Sommariva ∗ , W. J. Bloss, N. Brough, N. Carslaw, M. Flynn, A.-L. Haggerstone, D. E. Heard, J. R. Hopkins, J. D. Lee ∗∗ , A. C. Lewis, G. McFiggans, P. S. Monks, S. A. Penkett, M. J. Pilling, J. M. C. Plane, K. A. Read, A. Saiz-Lopez, A. R. Rickard ∗∗∗ , and P. I. Williams Department of Chemistry, University of Leeds, Leeds, UK Department of Chemistry, University of York, York, UK School of Environmental Sciences, University of East Anglia, Norwich, UK Environment Department, University of York, York, UK Department of Chemistry, University of Leicester, Leicester, UK School of Earth, Atmospheric & Environmental Sciences, University of Manchester, Manchester, UK
منابع مشابه
OH and HO2 chemistry during NAMBLEX: roles of oxygenates, halogen oxides and heterogeneous uptake
Several zero-dimensional box-models with different levels of chemical complexity, based on the Master Chemical Mechanism (MCM), have been used to study the chemistry of OH and HO2 in a coastal environment in the Northern Hemisphere. The models were constrained to and compared with measurements made during the NAMBLEX campaign (Mace Head, Ireland) in summer 2002. The base models, which were cons...
متن کاملOH and HO2 during NAMBLEX
Concentrations of OH and HO2 radicals during NAMBLEX: measurements and steady state analysis S. C. Smith, J. D. Lee, W. J. Bloss, G. P. Johnson, and D. E. Heard School of Chemistry, University of Leeds, Leeds, LS2 9JT, UK Department of Chemistry, University of York, Heslington, York, YO10 5DD, UK Received: 19 September 2005 – Accepted: 1 October 2005 – Published: 28 November 2005 Correspondence...
متن کاملConcentrations of OH and HO2 radicals during NAMBLEX: measurements and steady state analysis
OH and HO2 concentrations were measured simultaneously at the Mace Head Atmospheric Research Station in the summer of 2002 during the NAMBLEX (North Atlantic Marine Boundary Layer EXperiment) field campaign. OH was measured by laser-induced fluorescence employing the FAGE (Fluorescence Assay by Gas Expansion) technique, with a mean daytime detection limit of 2.7×105 molecule cm−3 (5 min acquisi...
متن کاملNight-time radical chemistry during the NAMBLEX campaign
Night-time chemistry in the Marine Boundary Layer has been modelled using a number of observationally constrained zero-dimensional box-models. The models were based upon the Master Chemical Mechanism (MCM) and the measurements were taken during the North Atlantic Marine Boundary Layer Experiment (NAMBLEX) campaign at Mace Head, Ireland in July–September 2002. The model could reproduce, within t...
متن کاملOH and HO 2 concentrations , sources , and loss rates during the Southern Oxidants Study in Nashville , Tennessee , summer 1999
[1] OH and HO2 mixing ratios and total OH reactivity were measured together with photolysis frequencies, NOx, O3, many VOCs, and other trace gases during the midsummer 1999 SOS campaign in Nashville, Tennessee. These measurements provided an excellent opportunity to study OH and HO2 (collectively called HOx), and their sources and sinks in a polluted metropolitan environment. HOx generally show...
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تاریخ انتشار 2005