Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
Estimation of incremental reactivities for multiple day scenarios: an application to ethane and dimethyoxymethane
Autore:
Stockwell, WR; Geiger, H; Becker, KH;
Indirizzi:
Desert Res Inst, Div Atmospher Sci, Reno, NV 89512 USA Desert Res Inst Reno NV USA 89512 , Div Atmospher Sci, Reno, NV 89512 USA Berg Univ Gesamthsch Wuppertal, Fachbereich 9, D-42097 Wuppertal, Germany Berg Univ Gesamthsch Wuppertal Wuppertal Germany D-42097 pertal, Germany
Titolo Testata:
ATMOSPHERIC ENVIRONMENT
fascicolo: 5, volume: 35, anno: 2001,
pagine: 929 - 939
SICI:
1352-2310(2001)35:5<929:EOIRFM>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
VOLATILE ORGANIC-COMPOUNDS; ATMOSPHERIC CHEMISTRY; OH RADICALS; OZONE; MECHANISM; DIMETHOXYMETHANE; UNCERTAINTIES; TRANSPORT; FATE; FLUX;
Keywords:
ozone; ozone formation potential; incremental reactivity; VOC oxidation mechanisms;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Physical, Chemical & Earth Sciences
Citazioni:
27
Recensione:
Indirizzi per estratti:
Indirizzo: Stockwell, WR Desert Res Inst, Div Atmospher Sci, 2215 Raggio Pkwy, Reno, NV 89512 USA Desert Res Inst 2215 Raggio Pkwy Reno NV USA 89512 89512 USA
Citazione:
W.R. Stockwell et al., "Estimation of incremental reactivities for multiple day scenarios: an application to ethane and dimethyoxymethane", ATMOS ENVIR, 35(5), 2001, pp. 929-939

Abstract

Single-day scenarios are used to calculate incremental reactivities by definition (Carter, J. Air Waste Management Assoc. 44 (1994) 881-899.) but even unreactive organic compounds may have a non-negligible effect on ozone concentrations if multiple-day scenarios are considered. The concentration ofunreactive compounds and their products may build up over a multiple-day period and the oxidation products may be highly reactive or highly unreactive affecting the overall incremental reactivity of the organic compound. We have developed a method for calculating incremental reactivities for multiple days based on a standard scenario for polluted European conditions. Thismethod was used to estimate maximum incremental reactivities (MIR) and maximum ozone incremental reactivities (MOIR) for ethane and dimethyoxymethanefor scenarios ranging from 1 to 6 days. It was found that the incremental reactivities increased as the length of the simulation period increased. The MIR of ethane increased faster than the value for dimethyoxymethane as the scenarios became longer. The MOIRs of ethane and dimethyoxymethane increased but the change was more modest for scenarios longer than 3 days. MOIRs of both volatile organic compounds were equal within the uncertainties of their chemical mechanisms by the 5 day scenario. These results show that dimethyoxymethane has an ozone forming potential on a per mass basis that is only somewhat greater than ethane if multiple-day scenarios are considered. (C) 2001 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 04/04/20 alle ore 08:06:22