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has been cited by the following article:

• TITLE: Evaluation of Local Scale PM Pollution Levels in Typical Street Canyon in Riga

  AUTHORS: Iveta Steinberga, Janis Bikshe Jr., Karlis Kundzins, Janis Kleperis, Janis Bikshe

  KEYWORDS: Air Pollution; PM; Riga; Street Canyon; Source-Apportionment

  JOURNAL NAME: Journal of Environmental Protection, Vol.4 No.9, August 29, 2013

  ABSTRACT: The present study describes long term PM10 and PM2.5 changes in typical street canyon with particular emphasis on seasonal, diurnal variations in context with meteorological data. In order to understand PM10 pollution sources during 28 April 2007-31 December 2007, chemical composition measurements were done with particular emphasis on heavy metals (As, Cd, Ni, and Pb), crustal material (Ca, Mg, Na, and K) and anions (sulphates, nitrates, chlorides). Meteorological data used for this evolutional analysis were measured close to traffic related stations and several meteorological parameters were analyzed in relation to particulate measurements. Keep in mind that atmospheric aerosols are generally hydroscopic. Relative humidity which plays very important role in rain/snow and humidity impact are analyzed.