Title
Aerosol chemical composition at Cabauw, the Netherlands as observed in two intensive periods in May 2008 and March 2009
Author
Mensah, A.A.
Holzinger, R.
Otjes, R.
Trimborn, A.
Mentel, T.F.
ten Brink, H.
Henzing, B.
Kiendler-Scharr, A.
Publication year
2012
Abstract
Observations of aerosol chemical composition in Cabauw, the Netherlands, are presented for two intensive measurement periods in May 2008 and March 2009. Sub-micron aerosol chemical composition was measured by an Aerodyne Aerosol Mass Spectrometer (AMS) and is compared to observations from aerosol size distribution measurements as well as composition measurements with a Monitor for AeRosol and GAses (MARGA) based instrument and a Thermal-desorption Proton-transfer-reaction Mass-spectrometer (TD-PTR-MS). An overview of the data is presented and the data quality is discussed. In May 2008 enhanced pollution was observed with organics contributing 40% to the PM1 mass. In contrast the observed average mass loading was lower in March 2009 and a dominance of ammonium nitrate (42%) was observed. The semi-volatile nature of ammonium nitrate is evidenced in the diurnal cycles with maximum concentrations observed in the morning hours in May 2008 and little diurnal variation observed in March 2009. Size dependent composition data from AMS measurements are presented and show a dominance of organics in the size range below 200 nm. © 2011 Author(s).
Subject
Earth & Environment
UES - Urban Environment & Safety
EELS - Earth, Environmental and Life Sciences
Urban Development
Environment
Built Environment
aerosol
ammonium nitrate
atmospheric pollution
chemical composition
desorption
mass spectrometry
size distribution
Cabauw
Netherlands
Utrecht [Netherlands]
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http://resolver.tudelft.nl/uuid:c5a026b4-e617-4a1c-90cb-3f81b97cf500
TNO identifier
442999
ISSN
1680-7367
Source
Atmospheric Chemistry and Physics Discussions, 12 (10), 4723-4742
Document type
article