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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 1:36 |
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Conference: Bucharest University Faculty of Physics 2024 Meeting
Section: Atmosphere and Earth Science; Environment Protection
Title:
Temporal Analysis of Fluorescent Bioaerosol Concentrations in Bucharest, Romania: implications for human health
Authors:
Ana-Maria Rosianu (1), Sabina Stefan (1,2), Gabriela Iorga (3,1)
*
Affiliation:
1) University of Bucharest, Faculty of Physics, Magurele, 077125 Bucharest, Romania
2) Academy of Romanian Scientists, 050044 Bucharest, Romania
3) University of Bucharest, Faculty of Chemistry, 030018 Bucharest, Romania
E-mail
anarosianu3@yahoo.com
Keywords:
bioaerosol, pollen, allergens, meteorology, aerobiology, Romania
Abstract:
Bioaerosol concentrations in the atmosphere cause serious health risks, due to their allergenic character. Weather conditions directly affect the development and growth of plants, thus leading to changes in atmospheric bioaerosol, including pollen, concentrations. The present study focused on analyzing measured fluorescent bioaerosol concentrations using the automatic Rapid-E real-time particle collector. This counter offers significantly higher temporal resolution for measurement of bioaerosol concentrations compared to the semi-automatic Hirst trap. Data regarding fluorescent bioaerosols were collected hourly from 2018 to 2021 in Bucharest-Magurele and were segregated by particle size in small fluorescent particles (less than 10 micrometers), and large fluorescent particles (greater than 10 micrometers). The comparative values obtained both with the Hirst trap (2014-2019) and those obtained with the Rapid-E instrument (2018-2021) on common time period show a similar evolution. The meteorological parameters were extracted from the European Centre for Medium-Range Weather Forecasts (ECMWF) ERA5 single level products and pressure level products. The increase in fluorescent bioaerosol concentrations is confirmed to be in spring and early summer, as in the case of those obtained with the Hirst trap. The implications for human health were also studied. A statistically significant correlation between the concentrations of different categories of pollen and respiratory pathologies, as well as the number and type of hospitalizations for their treatment was obtained.
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