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TRACERS OF ANTHROPOGENIC AND BIOGENIC SOURCES OF ORGANIC AEROSOL IN THE PM1 FRACTION AT THE KOŠETICE BACKGROUND STATION
Vodička, Petr ; Kawamura, K. ; Deshmukh, D.K. ; Pokorná, Petra ; Schwarz, Jaroslav ; Ždímal, Vladimír
In this study, we have examined in detail the seasonal changes in the concentration of sugars, dicarboxylic acids and their oxidation precursors in fine aerosol at a rural Central European background site. The aim of the study was to identify typical tracers for different sources of organic aerosol and to determine their contributions to organic PM1.We found a clear difference between winter and summer PM1 aerosol composition at the molecular level. Subsequently, we identified two biogenic factors (dominant in summer), two anthropogenic factors (major contribution in winter) and one background factor.\nMore details could be found in Vodička et. al (2023).
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