An exceptionally elevated PBL as well as free troposphere aerosol observations during August 2015 summer heat-wave over Racibórz, Poland

Artur Szkop; Aleksander Pietruczuk

doi:10.1117/12.2241168

19 October 2016 An exceptionally elevated PBL as well as free troposphere aerosol observations during August 2015 summer heat-wave over Racibórz, Poland

Artur Szkop, Aleksander Pietruczuk

Author Affiliations +

Proceedings Volume 10001, Remote Sensing of Clouds and the Atmosphere XXI; 100010U (2016) https://doi.org/10.1117/12.2241168
Event: SPIE Remote Sensing, 2016, Edinburgh, United Kingdom

Abstract

A Lufft’s CHM 15k “Nimbus” ceilometer and a collocated Cimel Sunphotometer were used to observe planetary boundary layer (PBL) evolution and free tropospheric aerosol layers during a heat-wave that occurred over Central Europe in August 2015. Both instruments were operated in Racibórz, Poland by the Institute of Geophysics PAS since May 2015. The analysis of the data suggests that the PBL top has been elevated to approximately 3000m, a height rarely observed over Poland. Moreover, in the period between 4th and 16th August an unusually high number of aerosol layers were visible in the signals. An analysis based on a backward air mass trajectory (HySplit) and thermal hot-spot (MODVOLC) models combined with a specialized “MISR INteractive eXplorer” (MINX) software provide evidence that at least some of the aerosol was of biomass burning type originating from a strong episode of wildfires in Ukraine.

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Artur Szkop and Aleksander Pietruczuk "An exceptionally elevated PBL as well as free troposphere aerosol observations during August 2015 summer heat-wave over Racibórz, Poland", Proc. SPIE 10001, Remote Sensing of Clouds and the Atmosphere XXI, 100010U (19 October 2016); https://doi.org/10.1117/12.2241168

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KEYWORDS

Aerosols

Combustion

Clouds

Atmospheric modeling

Atmospheric particles

Satellites

Biological research

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