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On the Use of the Field Sunset Semi-continuous Analyzer to Measure Equivalent Black Carbon Concentrations.

  1. 1.
    0458255 - ÚCHP 2017 RIV US eng J - Článek v odborném periodiku
    Zíková, Naděžda - Vodička, Petr - Ludwig, W. - Hitzenberger, R. - Schwarz, Jaroslav
    On the Use of the Field Sunset Semi-continuous Analyzer to Measure Equivalent Black Carbon Concentrations.
    Aerosol Science and Technology. Roč. 50, č. 3 (2016), s. 284-296. ISSN 0278-6826. E-ISSN 1521-7388
    Grant CEP: GA ČR(CZ) GBP503/12/G147; GA MŠMT 7AMB12AT021
    Institucionální podpora: RVO:67985858
    Klíčová slova: black carbon * aerosols * aethalometer
    Kód oboru RIV: CF - Fyzikální chemie a teoretická chemie
    Impakt faktor: 1.926, rok: 2016

    This study describes a method to calculate equivalent black carbon (EBC) concentrations comparable to those obtained from optical filter-based EBC instrumentation from data obtained with a semi-continuous thermo-optical analyzer (Sunset Laboratory Inc., USA) without any need of instrument alterations or extra costs. A correction for the reflection of the Sunset analyzer laser beam by the walls of the sampling tube is introduced. EBCSunset concentrations obtained during two intensive campaigns in Prague (one in winter and one in summer) were compared also to EBC
    measured by an AE31 Aethalometer (EBCaeth), an AE51 MicroAethalometer (EBCmicro), and a Multi Angle Absorption Photometer (EBCMAAP). Good agreement was observed in both campaigns. The EBCSunset data were also corrected for loading effects in two ways - a simple loading correction and a total correction using data also from the MAAP and a nephelometer. The loading corrections gave similar results for EBCSunset and the aethalometer data except for the simple correction for summer EBCSunset data. The multiple scattering correction factors computed for EBCSunset agreed well with those calculated for EBCaeth. The wall reflection correction for the Sunset analyzer data further improves the agreement between EBCSunset and EBCMAAP.
    Trvalý link: http://hdl.handle.net/11104/0258549

     
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