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Remote Sens. 2018, 10(3), 412; https://doi.org/10.3390/rs10030412

Modification of Local Urban Aerosol Properties by Long-Range Transport of Biomass Burning Aerosol

1
Institute of Geophysics, Faculty of Physics, University of Warsaw, 02-093 Warsaw, Poland
2
Department of Meteorology, Faculty of Environmental Engineering and Spatial Management, Poznan University of Life Sciences, 60-649 Poznan, Poland
3
Department of Grassland and Natural Landscape Sciences, Faculty of Agronomy and Bioengineering, Poznan University of Life Sciences, 60-632 Poznan, Poland
4
Leibniz Institute for Tropospheric Research, 04318 Leipzig, Germany
5
Institute for Astronomy, Astrophysics, Space Applications and Remote Sensing, National Observatory of Athens, 15236 Athens, Greece
6
Division of Environmental Physics and Meteorology, Faculty of Physics, National and Kapodistrian University of Athens, 15784 Athens, Greece
7
Laboratory of Atmospheric Physics, Physics Department, Aristotle University of Thessaloniki, 54124 Thessaloniki, Greece
8
National Institute for Research and Development in Optoelectronics, 077125 Magurele, Romania
9
Institute of Geophysics, Polish Academy of Sciences, 01-452 Warsaw, Poland
10
Atmosphere and Climate Department, Norwegian Institute for Air Research, 2027 Kjeller, Norway
11
European Space Research and Technology Centre, European Space Agency, 2201 Noordwijk, The Netherlands
12
European Space Research Institute, European Space Agency, 00044 Frascati, Italy
*
Author to whom correspondence should be addressed.
Received: 31 December 2017 / Revised: 6 February 2018 / Accepted: 2 March 2018 / Published: 7 March 2018
(This article belongs to the Special Issue Aerosol Remote Sensing)
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Abstract

During August 2016, a quasi-stationary high-pressure system spreading over Central and North-Eastern Europe, caused weather conditions that allowed for 24/7 observations of aerosol optical properties by using a complex multi-wavelength PollyXT lidar system with Raman, polarization and water vapour capabilities, based at the European Aerosol Research Lidar Network (EARLINET network) urban site in Warsaw, Poland. During 24–30 August 2016, the lidar-derived products (boundary layer height, aerosol optical depth, Ångström exponent, lidar ratio, depolarization ratio) were analysed in terms of air mass transport (HYSPLIT model), aerosol load (CAMS data) and type (NAAPS model) and confronted with active and passive remote sensing at the ground level (PolandAOD, AERONET, WIOS-AQ networks) and aboard satellites (SEVIRI, MODIS, CATS sensors). Optical properties for less than a day-old fresh biomass burning aerosol, advected into Warsaw’s boundary layer from over Ukraine, were compared with the properties of long-range transported 3–5 day-old aged biomass burning aerosol detected in the free troposphere over Warsaw. Analyses of temporal changes of aerosol properties within the boundary layer, revealed an increase of aerosol optical depth and Ångström exponent accompanied by an increase of surface PM10 and PM2.5. Intrusions of advected biomass burning particles into the urban boundary layer seem to affect not only the optical properties observed but also the top height of the boundary layer, by moderating its increase. View Full-Text
Keywords: boundary layer; aerosol properties; Raman lidar; SEVIRI; PM2.5; PM10; aerosol optical depth; biomass burning; anthropogenic pollution boundary layer; aerosol properties; Raman lidar; SEVIRI; PM2.5; PM10; aerosol optical depth; biomass burning; anthropogenic pollution
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Stachlewska, I.S.; Samson, M.; Zawadzka, O.; Harenda, K.M.; Janicka, L.; Poczta, P.; Szczepanik, D.; Heese, B.; Wang, D.; Borek, K.; Tetoni, E.; Proestakis, E.; Siomos, N.; Nemuc, A.; Chojnicki, B.H.; Markowicz, K.M.; Pietruczuk, A.; Szkop, A.; Althausen, D.; Stebel, K.; Schuettemeyer, D.; Zehner, C. Modification of Local Urban Aerosol Properties by Long-Range Transport of Biomass Burning Aerosol. Remote Sens. 2018, 10, 412.

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