Effects of meteorological conditions on PM10 concentrations - A study in Macau
Mok K.M.; Hoi K.I.
2005-03-01
Source PublicationEnvironmental Monitoring and Assessment
ISSN0167-6369
Volume102Issue:1-3Pages:201-223
Abstract

Review on the annual PM concentrations over a 10-year period shows that Macau is subjected to severe fine particulate pollution. Investigations of its variation in monthly and daily time scales with the local meteorological records reveal further details. It is found that a distinct feature of the Asian monsoon climates, the changes of wind direction, mainly controls the general trend of PM concentration in a year. The monsoon driven winter north-easterly winds bring upon Macau dry and particle enriched air masses leading to a higher concentration in that period while the summer south-westerly winds transport humid and cleaner air to the region leading to a lower PM value. This distinct seasonal feature is further enhanced by the lower rainfall volume and frequency as well as mixing height in winter and their higher counterparts in summer. It is also found that the development of tropical cyclones near Macau could also impose episode like PM concentration spikes due to the pre-typhoon induced stagnant air motion followed by the swing of wind direction to the northerly.

KeywordMacau Meteorological Conditions Monsoon Pm10 Seasonal Variation Tropical Cyclone
DOIhttps://doi.org/10.1007/s10661-005-6022-6
URLView the original
Indexed BySCIE
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000227734200014
PublisherSPRINGER, VAN GODEWIJCKSTRAAT 30, 3311 GZ DORDRECHT, NETHERLANDS
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Cited Times [WOS]:24   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionDEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorMok K.M.
AffiliationDepartment of Civil & Environmental Engineering, Faculty of Science and Technology, University of Macau, Macau SAR, China
First Author AffilicationFaculty of Science and Technology
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Mok K.M.,Hoi K.I.. Effects of meteorological conditions on PM10 concentrations - A study in Macau[J]. Environmental Monitoring and Assessment,2005,102(1-3):201-223.
APA Mok K.M.,&Hoi K.I..(2005).Effects of meteorological conditions on PM10 concentrations - A study in Macau.Environmental Monitoring and Assessment,102(1-3),201-223.
MLA Mok K.M.,et al."Effects of meteorological conditions on PM10 concentrations - A study in Macau".Environmental Monitoring and Assessment 102.1-3(2005):201-223.
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