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Title:Investigation of Aerosol Properties and Structures in Two Representative Meteorological Situations over the Vipava Valley Using Polarization Raman LiDAR
Authors:ID Wang, Longlong, University of Nova Gorica (Author)
ID Stanič, Samo, University of Nova Gorica (Author)
ID Eichinger, William, University of Iowa (Author)
ID Močnik, Griša, Jožef Stefan Institute (Author)
ID Drinovec, Luka, Jožef Stefan Institute (Author)
ID Gregorič, Asta, University of Nova Gorica (Author)
Files:.pdf atmosphere-10-00128.pdf (3,11 MB)
MD5: C266F2D3A224DE874376EC6E66EB2C9B
Work type:Not categorized
Typology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:Vipava valley in Slovenia is a representative hot-spot for complex mixtures of different aerosol types of both anthropogenic and natural origin. Aerosol loading distributions and optical properties were investigated using a two-wavelength polarization Raman LiDAR, which provided extinction coefficient, backscatter coefficient, depolarization ratio, backscatter Ångström exponent and LiDAR ratio profiles. Two different representative meteorological situations were investigated to explore the possibility of identifying aerosol types present in the valley. In the first case, we investigated the effect of strong downslope (Bora) wind on aerosol structures and characteristics. In addition to observing Kelvin–Helmholtz instability above the valley, at the height of the adjacent mountain ridge, we found new evidence for Bora-induced processes which inject soil dust aerosols into the free troposphere up to twice the height of the planetary boundary layer (PBL). In the second case, we investigated aerosol properties and distributions in stable weather conditions. From the observed stratified vertical aerosol structure and specific optical properties of different layers we identified predominant aerosol types in these layers.
Keywords:aerosol structures, aerosol characterization, polarization Raman LiDAR, Vipava valley
Publication version:Version of Record
Year of publishing:2019
Number of pages:13
Numbering:3, 10
PID:20.500.12556/RUNG-4420-3aae6615-d27d-c593-ac0b-9b2b6eff8202 New window
COBISS.SI-ID:5336571 New window
Publication date in RUNG:08.03.2019
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Year of publishing:2019


License:CC BY 4.0, Creative Commons Attribution 4.0 International
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:08.03.2019