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  • 1. Aboh, I. J. Kwame
    et al.
    Henriksson, Dag
    University of Borås, School of Engineering.
    Laursen, Jens
    Lundin, Magnus
    University of Borås, School of Engineering.
    Gormon Ofosu, Francis
    Pind, Niels
    Selin Lindgren, Eva
    University of Borås, School of Engineering.
    Wahnström, Tomas
    University of Borås, School of Engineering.
    Identification of Aerosol Particle Sources in Semi-rural of Kwabenya, near Accra, Ghana2008Conference paper (Other academic)
  • 2. Aboh, I. J. Kwame
    et al.
    Henriksson, Dag
    University of Borås, School of Engineering.
    Laursen, Jens
    Selin Lindgren, Eva
    Lundin, Magnus
    University of Borås, School of Engineering.
    Pind, Niels
    Wahnström, Tomas
    University of Borås, School of Engineering.
    Air Pollution and Meteorology: Ambient PM2.5 Aerosol Origin Studied by Factor Analysis of Elemental Composition Related to Wind Data2008Conference paper (Other academic)
  • 3. Kwame Aboh, Innocent Joy
    et al.
    Henriksson, Dag
    University of Borås, School of Engineering.
    Laursen, Jens
    Lundin, Magnus
    University of Borås, School of Engineering.
    Gormon Ofosu, Francis
    Pind, Niels
    Selin Lindgren, Eva
    Wahnström, Tomas
    University of Borås, School of Engineering.
    Characteristics and source assignment of aerosol particles in a semi-urban area in Ghana during the Harmattan season using EDXRF analysis.2007Conference paper (Other academic)
  • 4. Kwame Aboh, Innocent Joy
    et al.
    Henriksson, Dag
    University of Borås, School of Engineering.
    Laursen, Jens
    Lundin, Magnus
    University of Borås, School of Engineering.
    Pind, Niels
    Selin Lindgren, Eva
    Wahnström, Tomas
    University of Borås, School of Engineering.
    EDXRF characterisation of elemental contents in PM2.5 in a medium-sized Swedish city dominated by a modern waste incineration plant2007In: X-Ray Spectrometry, ISSN 0049-8246, E-ISSN 1097-4539, Vol. 36, no 2, p. 104-110Article in journal (Refereed)
  • 5. Kwame Abouh, Innocent Joy
    et al.
    Henriksson, Dag
    University of Borås, School of Engineering.
    Laursen, Jens
    Lundin, Magnus
    University of Borås, School of Engineering.
    Gormon Ofosu, Francis
    Pind, Niels
    Selin Lindgren, Eva
    Wahnström, Tomas
    University of Borås, School of Engineering.
    Identification of aerosol particle sources in semi-rual area of Kwabenya, near Accra, Ghana, by EDXRF techniques2009In: X-Ray Spectrometry, ISSN 0049-8246, E-ISSN 1097-4539, Vol. 38, no 4, p. 348-353Article in journal (Refereed)
    Abstract [en]

    Small aerosol particles have for a long time been known to be harmful to humans, and are today regarded to cause a larger number of deaths than traffic accidents globally. Energy dispersive x-ray fluorescence (EDXRF) is a well known method that has been used for identification of toxic as well as non-toxic elements in the particles. The combination of elements will together with other information help to identify the sources and predict the effects of particles on environment and human health. The present work was conducted in Kwabenya, a suburb of the capital Accra of Ghana, which is frequently exposed to Harmattan dust from the Sahara-Sahel region. In total 171 filters each of PM2.5 and PM(2.5-10) were collected during 1 year. Levels of elements, black carbon (BC) and mass, were determined for both particle sizes. Principal component analysis (PCA) was performed on the datasets from Harmattan and non-Harmattan periods. The daily average of PM10 was very high, 179 mu g m(-3) and the BC contents were 4 mu g m(-3). The presence of crustal elements was large in PM(2.5-10) as well as in PM2.5, and had a more than tenfold increase in PM(2.5-10) during the Harmattan period. Major characteristic elements for different sources were identified from correlation coefficients and regression analysis of the data. Sahara sand aerosol was the major source in both study periods, but influence from biomass burning, sea-spray and metal industries was also observed. Copyright (C) 2009 John Wiley & Sons, Ltd.

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