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Title Στοιχειακός και Οργανικός Άνθρακας σε Αιωρούμενα Σωματίδια στην Α.Μεσόγειο.
Alternative Title Elemental and Organic Carbon in Aerosols of the E.Mediterranean.
Author Παπουτσιδάκη, Κυριακή
Thesis advisor Μιχαλόπουλος, Νικόλαος
Abstract The scientific interest for the chemical composition of the atmospheric particulate matter is high. The largest part of the total mass of the organic and elemental carbon is assigned to particles in the accumulation mode, coming from combustion, arriving at the area of Eastern Mediterranean from Central and North/Northeastern Europe and countries surrounding the Black Sea. Hence it can be concluded that organic aerosols that arrive in the areas are mainly secondary. For this reason, the present work is focused on the study of the organic and element fraction of aerosols in the Eastern Mediterranean during the warm period of 2016 to 2018. The samples which are analyzed come from two different sampling stations in terms of the geographical location. Specifically, samples were collected from the Finokalia environmental station in Lasithi and the new one in Costa Navarino. The analysis was performed with a thermal/optical carbon analyzer for aerosols of Sunset Laboratory Inc. The purpose of the thesis is to study the levels of organic and elemental carbon in the particle matters, so we can characterize the new station and have a more complete picture of the new study area of Costa-Navarino. For this reason the experimental data are compared with the corresponding date for the Finokalia station. As the results show, the Costa Navarino station can be considered representative of environmental conditions, such as the Finokalia station we already know. The two stations have on average similar fluctuations in Organic (OC) and Elemental Carbon (EC) concentrations. In particular, low EC concentrations confirm the reduced anthropogenic activity in the area while increased OC concentrations indicate the presence of secondary organic aerosols transported to the station via remote gaseous gases.
Language Greek
Issue date 2019-11-29
Collection   Faculty/Department--Faculty of Sciences and Engineering--Department of Chemistry--Graduate theses
  Type of Work--Graduate theses
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