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Titolo:
Estimating an annual-average RSP concentration for Hong Kong using days characteristic of the dominant weather patterns
Autore:
Physick, WL; Goudey, R;
Indirizzi:
CSIRO, Aspendale, Vic 3195, Australia CSIRO Aspendale Vic Australia 3195CSIRO, Aspendale, Vic 3195, Australia Environm Protect Author Victoria, Melbourne, Vic 3001, Australia Environm Protect Author Victoria Melbourne Vic Australia 3001 , Australia
Titolo Testata:
ATMOSPHERIC ENVIRONMENT
fascicolo: 15, volume: 35, anno: 2001,
pagine: 2697 - 2705
SICI:
1352-2310(200105)35:15<2697:EAARCF>2.0.ZU;2-1
Fonte:
ISI
Lingua:
ENG
Keywords:
Hong Kong; respirable suspended particulates; meteorological patterns; PATH; annual average; cluster analysis;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Physical, Chemical & Earth Sciences
Citazioni:
7
Recensione:
Indirizzi per estratti:
Indirizzo: Physick, WL CSIRO, Aspendale, Vic 3195, Australia CSIRO Aspendale Vic Australia 3195 ndale, Vic 3195, Australia
Citazione:
W.L. Physick e R. Goudey, "Estimating an annual-average RSP concentration for Hong Kong using days characteristic of the dominant weather patterns", ATMOS ENVIR, 35(15), 2001, pp. 2697-2705

Abstract

The air quality modelling system Pollutants in the Atmosphere and their Transport over Hong Kong (PATH) has been designed to provide guidance on policy and emission controls in Hong Kong. One important air quality objective to be addressed is the annual-average concentration of respirable suspendedparticulates (RSP). In PATH, this is done by suitably weighting the simulation results from seven case-study days, each representative of a major meteorological category. This paper describes the selection of these categories, a procedure which Follows Heywood (Technical Memoirs, Hong Kong Observatory, No. 6, 1953) and is based on the dominant meteorological mean sea-level pressure (MSLP) patterns for Hong Kong. A statistical analysis of RSP data from five sites showed that the chosen categories, while stratified by meteorology, are also valid for clustering the daily mean RSP concentrations into groups of similar days. The weighting coefficients (annual frequency) were obtained from an inspection of daily weather charts between 1990 and 1995. For each category, the actual day selected for modelling with PATH waschosen so that the daily-mean RSP value for each site was close to the mean for the category. In this way, the annual mean computed using the modelled days is little different From the observed annual mean at each site. (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 22/01/20 alle ore 12:30:45