National Repository of Grey Literature 39 records found  1 - 10nextend  jump to record: Search took 0.03 seconds. 
Comparison of Atmospheric Aerosol Volatility at a Rural Site in Central Europe.
Kubelová, Lucie ; Vodička, Petr ; Makeš, Otakar ; Zíková, Naděžda ; Ondráček, Jakub ; Schwarz, Jaroslav ; Ždímal, Vladimír
Volatility is an important characteristic of atmospheric aerosols as it affects their origin, lifetime and removal. Accurate description of aerosol volatilities is important for models calculating condensation of semi-volatile species and it also enables better identification of aerosol sources (Wu et al., 2009). However, our understanding of volatilities of organic atmospheric aerosols and the related processes is still rather poor (Han et al., 2016.
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Plný tet: SKMBT_C22017103113060 - Download fulltextPDF
Seasonal Differences in Volatility of Atmospheric Aerosol at a rural measurement site Košetice.
Kubelová, Lucie ; Vodička, Petr ; Makeš, Otakar ; Zíková, Naděžda ; Ondráček, Jakub ; Schwarz, Jaroslav ; Ždímal, Vladimír
Volatility is an important characteristics of atmospheric aerosol because it affects formation, conversion and removal of aerosol particles. This study deals with differences in volatility of atmospheric aerosol at rural measurement site Košetice. Analyzes are based on high-time measurements of atmospheric aerosol, including an aerosol mass spectrometer and a scanning mobility particle sizer. Not only the time variation of mass concentration, but also the daily course of pollutants and the influence of meteorological conditions are discussed.
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Plný tet: SKMBT_22317041913181 - Download fulltextPDF
Assesment of wet deposition of atmospheric aerosol on the background site in the Czech Republic.
Zíková, Naděžda ; Ždímal, Vladimír
The aim of this work is to describe the influence of wet deposition on submicron fraction of the atmospheric aerosol as it was recorded by ground based measurements on a background site. The influence of rainout is assessed through interaction of atmospheric aerosol with horizontal hydrometeors, while the influence of washout through interaction with vertical hydrometeors.
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Plný tet: SKMBT_C22016110313100 - Download fulltextPDF
Comparison of Atmospheric Aerosol Volatility at a Suburban and Rural Measurement Site.
Kubelová, Lucie ; Vodička, Petr ; Schwarz, Jaroslav ; Makeš, Otakar ; Ždímal, Vladimír
One of the most important characteristics of atmospheric aerosols is their volatility. Volatility affects the formation, life time, and removal of aerosol particles (Huffman et al., 2009). Accurate description of volatility of atmospheric aerosols can lead to a better identification of their sources and it is also crucial for models incorporating condensation and aging of aerosols. However, there is still a lack of knowledge regarding aerosol properties such as volatility especially in case of organic aerosols. To increase our understanding of aerosols volatility, we have performed summer (21.8.-2.10.2012; 17.6.-18.8.2014) and winter (19.2.-28.5.2013; 9.1.-13.3.2014) measurement campaigns with a thermodenuder at a suburban site in Prague Suchdol and at a rural site Košetice, respectively.
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Plný tet: SKMBT_C22016102412230 - Download fulltextPDF
Characterization of Submicron Aerosol in Prague by Source Apportionment Analysis of Combined AMS Data.
Makeš, Otakar ; Vodička, Petr ; Schwarz, Jaroslav ; Ždímal, Vladimír
PM1 non-refractory chemical composition and concentration was measured by Aerodyne Compact Time-of-Flight Aerosol Mass Spectrometer (AMS) during two six weeks long summer and winter campaigns in 2012-2013. The retrieved highly time resolved data were analyzed using the SoFi graphical user interface that is developed by Paul Scherrer Institute (Canonaco et al., 2013) and is running under IGOR software (WaveMetrics).
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Plný tet: SKMBT_C22016102412231 - Download fulltextPDF
Characterization of Submicron Aerosol in Prague by Combined ME-2 Factor Analysis of AMS Data
Makeš, Otakar ; Vodička, Petr ; Schwarz, Jaroslav ; Ždímal, Vladimír
Real-time measurement of submicron aerosol particles was performed at Prague – Suchdol site (Czech Republic) during six weeks long summer and winter campaigns in 2012-2013. Highly time and size resolved data were obtained from measurements carried out by a Compact Time-of-Flight Aerosol Mass Spectrometer (C-ToF-AMS, Aerodyne). The retrieved data were analyzed with using the So-Fi graphical user interface which is developed by Paul Scherrer Institute (Canonaco, 2013) and is running under IGOR software (WaveMetrics). The preliminary results are presented in this abstract.
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Plný tet: SKMBT_C22015102910271 - Download fulltextPDF
Highly Time-Resolved Aerosol Measurement at a Suburban Site in Prague
Kubelová, Lucie ; Vodička, Petr ; Schwarz, Jaroslav ; Makeš, Otakar ; Ždímal, Vladimír
Highly time-resolved measurements of atmospheric aerosols are important as they enable us to elucidate the aerosol sources and lifecycle processes (Zhang, 2011). In our study we carried out two six-week measurements of submicron fraction of nonrefractory atmospheric aerosol. The measurement was performed with 1-minute resolution and analysed with respect to influence of meteorological conditions. The measurement was done as a part of a pan-European project ACTRIS.
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Plný tet: SKMBT_C22015102910270 - Download fulltextPDF
Possible Relations between Organic Aerosol Analysed by Aerosol Mass Spetrometer and EC/OC Analyzer
Vodička, Petr ; Makeš, Otakar ; Kubelová, Lucie ; Schwarz, Jaroslav ; Ždímal, Vladimír
Analysis of carbonaceous aerosols by elemental and organic carbon (EC/OC) analyzer can provide additional information in the form of OC fractions. These may improve characterization of organic aerosol. We compared two sets of PM1 aerosol data – summer (22.-26.6. and 13.-31.7.2012) and winter (12.-29.1.2013) – measured at a Prague urban background site (50°7′36.47″N, 14°23′5.51″E, 277 m ASL). We wanted to determine whether the OC fractions from EC/OC analyzer can indirectly provide also information on the chemical composition or in other respects improve aerosol characterisation.
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Plný tet: 3279_Vodicka_Goldschmidt2015-abstract - Download fulltextPDF
Seasonal Differences in Chemical Composition of Atmospheric Aerosol Studied with High Resolution in Prague
Kubelová, Lucie ; Vodička, Petr ; Makeš, Otakar ; Schwarz, Jaroslav ; Ždímal, Vladimír
The compact-Time of Flight-Aerosol Mass Spectrometer (AMS) was used to describe seasonal differences in atmospheric aerosol at a Prague suburban site. The data were compared with measurements done with other instruments such as Sunset organic and elemental carbon analyzer, TSI Scanning Mobility Particle Sizer (SMPS), and results from ion chromatography, and with meteorological model.
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Plný tet: 1702_Kubelova_Goldschmidt2015-abstract - Download fulltextPDF

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