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Analysis of Aerosol Optical Thickness in Timisoara from AERONET Global Network Observations

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Croatian Union of Mechanical Engineers and Naval Architects
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Abstract

Strojarstvo 53 (5) 353-358 (2011) D. CALINOIU et. al., Analysis of Aerosol Optical... 353 CODEN STJSAO ISSN 0562-1887 ZX470/1530 UDK 661.975:662.661:551.583 Original scientific paper Aerosol particle thickness measurements were performed at the "Politehnika" University in Timisoara (Romania) during March 2011 using a CIMEL SUN solar photometer, as part of the global AERONET network. The aerosol optical thickness (AOT) represents a parameter of optical visibility in an atmospheric air column from the instrument towards the sun, affected by the presence of aerosol particles (e.g. smoke particles, desert sand). Precision analyses were performed to determine the types of aerosols present. Results were recorded during June 2011. The aerosol optical thickness (AOT) was increased on the 9th of June because of sands that drifted on air currents from Northern Africa to the western part of Romania. Analiza optičke debljine aerosola u Temišvaru u okviru globalne mreže AERONET Izvornoznanstveni članak Mjerenja gustoće aerosolnih čestica provedena su na Sveučilištu Politehnika u Temišvaru (Rumunjska) u ožujku 2011. s CIMEL SUN sunčanim fotometrom u okviru globalne mreže AERONET. Aerosolna optička debljina (AOT) predstavlja parametar optičke prozirnosti zračnog stupca atmosfere od instrumenta prema suncu uvjetovan prisustvom aerosolnih čestica (npr. dimnih čestica, pustinjskog pijeska). Izvršene su precizne analize kojima se mogu odrediti tipovi aerosola. Rezultati su zabilježeni tijekom lipnja 2011. godine. Aerosolna optička debljina (AOT) je 9. lipnja bila povećana zbog pijeska koji je zračnom strujom nanesen iz sjeverne Afrike u zapadni dio Rumunjske. Delia CALINOIU, Ioana IONEL and Gavrila TRIFTORDAI "Politehnica" University from Timisoara, Mechanical Engineering Faculty, Mihai Viteazu Blv., No.1, Zip code 300222, Timisoara, Romania Keywords AERONET Aerosols AOT Atmosphere Observations Ključne riječi AERONET Aerosoli Atmosfera Optička debljina Prom

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