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Titolo:
Contributions to CO concentrations from biomass burning and traffic duringhaze episodes in Singapore
Autore:
Mukherjee, P; Viswanathan, S;
Indirizzi:
Natl Univ Singapore, Dept Environm Chem & Engn, Singapore 119260, Singapore Natl Univ Singapore Singapore Singapore 119260 ngapore 119260, Singapore
Titolo Testata:
ATMOSPHERIC ENVIRONMENT
fascicolo: 4, volume: 35, anno: 2001,
pagine: 715 - 725
SICI:
1352-2310(2001)35:4<715:CTCCFB>2.0.ZU;2-L
Fonte:
ISI
Lingua:
ENG
Soggetto:
CARBON-MONOXIDE CONCENTRATIONS; SOUTHEAST-ASIA; AIR-POLLUTION; MEXICO-CITY; SMOKE HAZE; QUALITY; IMPACT; MODEL;
Keywords:
biomass burning; carbon monoxide; haze; traffic pollution;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Physical, Chemical & Earth Sciences
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Viswanathan, S 4452 Via Amable, San Diego, CA 92122 USA 4452 Via Amable San Diego CA USA 92122 Diego, CA 92122 USA
Citazione:
P. Mukherjee e S. Viswanathan, "Contributions to CO concentrations from biomass burning and traffic duringhaze episodes in Singapore", ATMOS ENVIR, 35(4), 2001, pp. 715-725

Abstract

Prediction of ambient carbon monoxide (CO) due to haze in the presence of transportation sources at a busy expressway site in Singapore was made using street Canyon and Gaussian line source modules of a reeional-scale Indic Airviro dispersion model for the haze episodes that occurred in the years 1994 and 1997. The fleet average emission factors for each vehicle category were estimated from US EPA MOBILE 5 A guidelines as a function of speed, vehicle deterioration rates and model pears. One hour CO concentrations during the non-haze period for the year 1995 were first simulated and compared with measured readings to test the accuracy of the proposed approach. The calibrated model was then used to compute hourly CO values for the 1994 and 1997 haze episodes. The difference between the modeled CO values with and without haze provided CO contribution due to haze. An analysis of CO values estimated through modeling with experimental measurements made during haze periods confirmed this unique approach to establish concentration of CO due to haze in the presence of transportation sources. (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 29/03/20 alle ore 18:16:31