Geology & Earth Science

Geology & Earth Science

Journal of Oceanography and Marine Research

Author(s): Ioanna K Larissi, Konstantinos V Koukouletsos, Kostas P Moustris, Antonis Antoniou, Athanasios G Paliatsos

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The main objective of the present work is the study of suspended particulate matter temporal evolution in the greater Athens area (GAA). Towards this aim, the time series of the particulate matter with an aerodynamic diame-ter less than 10 µm (PM 10 ) recorded in six monitoring sta-tions located in the GAA, for a seven-year period 2001-2006, is analysed. The analysis leads to useful results concerning PM 10 levels that exceed the European Union limit values. It ap- pears that the different characteristics of each measuring site affect the number of exceedances. The major findings of this study are: (a) The mean sea-sonal variation of the examined air pollutant concentration, in peripheral stations, presents a maximum during the warm period of the year and a minimum during the cold period. On the contrary, in the traffic related stations, there is no clear seasonal variation of PM 10 concentration. (b) The analysis shows that the PM 10 levels remain higher than the corresponding thresholds for human health protection set by the European Union, in the majority of the exam-ined monitoring sites, during the examined period. (c) The number of the days when the mean daily value of PM 10 exceeded the threshold of 50 µ g/m 3 is appreciably higher than the permitted violations of 35 days per year that is assigned by the EU Directive.

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This article was published in Fresenius Environmental Bulletin and referenced in Journal of Oceanography and Marine Research

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