Real-time measurement and source apportionment of elements in Delhi's atmosphere

Delhi, the capital of India, suffers from heavy local emissions as well as regional transport of air pollutants, resulting in severe aerosol loadings. To determine the sources of these pollutants, we have quantified the mass concentrations of 26 elements in airborne particles, measured by an online...

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Bibliographic Details
Published in:The Science of the total environment 2020-11, Vol.742, p.140332, Article 140332
Main Authors: Rai, Pragati, Furger, Markus, El Haddad, Imad, Kumar, Varun, Wang, Liwei, Singh, Atinderpal, Dixit, Kuldeep, Bhattu, Deepika, Petit, Jean-Eudes, Ganguly, Dilip, Rastogi, Neeraj, Baltensperger, Urs, Tripathi, Sachchida Nand, Slowik, Jay G., Prévôt, André S.H.
Format: Article
Language:English
Subjects:
aerosols
dust
environment
fuel combustion
geography
India
Industries
Local and regional source locations
Nepal
Non-exhaust
Ocean, Atmosphere
Pakistan
particulates
Sciences of the Universe
Source apportionment
Toxic metals
Urban air pollution
wind direction
X-ray fluorescence spectroscopy
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Summary:Delhi, the capital of India, suffers from heavy local emissions as well as regional transport of air pollutants, resulting in severe aerosol loadings. To determine the sources of these pollutants, we have quantified the mass concentrations of 26 elements in airborne particles, measured by an online X-ray fluorescence spectrometer with time resolution between 30 min and 1 h. Measurements of PM10 and PM2.5 (particulate matter
ISSN:0048-9697
1879-1026
DOI:10.1016/j.scitotenv.2020.140332