The influence of meteorological factors and biomass burning on surface ozone concentrations at Tanah Rata, Malaysia

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dc.contributor.authorYing Ying Toh
dc.contributor.authorSze Fook Lim
dc.contributor.authorRoland von Glasow
dc.coverage.publicationMalaysia
dc.date.accessioned2024-05-10T02:53:39Z
dc.date.available2024-05-10T02:53:39Z
dc.date.issued2013
dc.description.abstractThe surface ozone concentrations at the Tanah Rata regional Global Atmosphere Watch (GAW) station, Malaysia (4°28′N, 101°23′E, 1545 m above Mean Sea Level (MSL)) from June 2006 to August 2008 were analyzed in this study. Overall the ozone mixing ratios are very low; the seasonal variations show the highest mixing ratios during the Southwest monsoon (average 19.1 ppb) and lowest mixing ratios during the spring intermonsoon (average 14.2 ppb). The diurnal variation of ozone is characterised by an afternoon maximum and night time minimum. The meteorological conditions that favour the formation of high ozone levels at this site are low relative humidity, high temperature and minimum rainfall. The average ozone concentration is lower during precipitation days compared to non-precipitation days. The hourly averaged ozone concentrations show significant correlations with temperature and relative humidity during the Northeast monsoon and spring intermonsoon. The highest concentrations are observed when the wind is blowing from the west.
dc.identifier.citationToh, Y. Y., Lim, S. F., & Von Glasow, R. (2013). The influence of meteorological factors and biomass burning on surface ozone concentrations at Tanah Rata, Malaysia. Atmospheric Environment, 70, 435-446.
dc.identifier.urihttps://repoemc.ukm.my/handle/123456789/472
dc.language.isoen
dc.publisherElsevier
dc.publisher.alternativeAtmospheric Environment
dc.subjectSurface ozone
dc.subjectBiomass burning
dc.subjectMeteorological conditions
dc.subjectRegional transport
dc.subjectBackward trajectory
dc.titleThe influence of meteorological factors and biomass burning on surface ozone concentrations at Tanah Rata, Malaysia
dc.typeJournal

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