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| Autores principales: | , , , , , |
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| Formato: | Recurso digital |
| Lenguaje: | |
| Publicado: |
Zenodo
2025
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| Acceso en línea: | https://doi.org/10.5281/zenodo.17160365 |
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- <p>ABSTRACT. This study presents results from complex experiments in the city of Sofia and the town of Krumovgrad to assess the relationship between atmospheric boundary layer and optical and microphysical characteristics of atmospheric aerosol using remote sensing devices, in-situ measurements, and model data. The height of the atmospheric boundary layer is an integral characteristic of the potential of the atmosphere to be cleaned of impurities. The height of the atmospheric boundary layer is determined from high temporal and spatial resolution data obtained from a ceilometer. Experimental results from measurements conducted on selected days with convective conditions in July 2017 were used to illustrate the relationship between meteorological parameters, aerosol structure, and atmospheric boundary layer height obtained from observations and modeling. The data obtained from the ceilometer and the laser particle counter are analysed to determine the diurnal structure and formation of the aerosol layer over Sofia and Krumovgrad. The HYSPLIT model was applied along with WRF-GDAS to track the reverse transport trajectories and the modelled height of the atmospheric boundary layer. The results of a complex study of atmospheric aerosol and the height of the atmospheric boundary layer in Sofia and Krumovgrad in July 2017 show that the observed height of the atmospheric boundary layer varied from 1000 to 2000 m for the experimental days. During the experimental studies, the measured particle concentrations (PM10) in Sofia ranged from 20 to 40 μg/m3, and those in the Krumovgrad region were between 2 and 10 μg/m3. The latter can be defined as background for this area, since the measurements were made before the start of the Ada Tepe mine operation.</p>