Multiyear Aerosol Study Based on Lidar&Sunphotometer Measurements in Romania
1 National Institute of Research and Development for Optoelectronics INOE, Bucharest-Magurele, Romania
2 University Politehnica of Bucharest, Faculty of Applied Sciences, Bucharest, Romania
3 “Babeș-Bolyai” University of Cluj-Napoca, Faculty of Environmental Science and Engineering, Cluj-Napoca, Romania
4 University of Bucharest, Faculty of Physics, P.O.BOX MG-11, Magurele, Bucharest, Romania
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Published online: 7 June 2016
This observational study focused on three-years time-averaged data set (January 2012–2015). An investigation of long-term trends was performed on two different data sets derived from active and passive remote sensing measurements in Magurele, Romania.
Measurements of sun photometer aerosol optical depth (AOD) at 500 nm and 340 nm show the mean values of 0.230 ±0 .118 and 0.398 ± 0.185, respectively. The lidar AOD at 532 and 355nm has a mean of 0.271 ±.0.164 and 0.472 ± 0.165 respectively. The highest seasonal mean value was measured by the lidar during the summer of 2014 while the lowest seasonal value was measured by the sunphotometer in February 2012.
The origin of atmospheric aerosols has been analyzed using both backtajectories of Hysplit and Circulation Type Classification (CTCs) methods.
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