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Proceedings Article

Aerosol optical properties from multiwavelength lidar measurements in Romania

[+] Author Affiliations
Doina Nicolae, Camelia Talianu, Emil Carstea, Anca Nemuc

National Institute of Research & Development for Optoelectronics (Romania)

Proc. SPIE 7479, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing V, 747902 (October 09, 2009); doi:10.1117/12.830707
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From Conference Volume 7479

  • Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing V
  • Upendra N. Singh; Gelsomina Pappalardo
  • Berlin, Germany | August 31, 2009

abstract

Vertically resolved profiles of optical properties of aerosols were measured using a multi-wavelength lidar system-RALI, set up at the scientific research center in Magurele, Bucharest area (44.35 N latitude, 26.03 E longitude) during 2008. The use of multiple laser wavelengths has enabled us to observe significant variations in backscatter profiles depending on the particle origins. An air mass backward trajectory analysis, using Hysplit-4, was carried out to track the aerosol plumes. Aerosols can serve as valuable tracers of air motion in the planetary boundary layer (PBL). The height of layers in the lower troposphere from lidar signal was calculated using the gradient method- minima of the first derivative. The Richardson number method was used to estimate PBL height from the radio-soundings. We have used pressure, temperature and dew point profiles as well as the wind direction profiles from NOAA (National Oceanic and Atmospheric Administration) data base. The results were consistent with the ones obtained from LIDAR.

© (2009) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Doina Nicolae ; Camelia Talianu ; Emil Carstea and Anca Nemuc
"Aerosol optical properties from multiwavelength lidar measurements in Romania", Proc. SPIE 7479, Lidar Technologies, Techniques, and Measurements for Atmospheric Remote Sensing V, 747902 (October 09, 2009); doi:10.1117/12.830707; http://dx.doi.org/10.1117/12.830707


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