Simultaneous organic aerosol source apportionment at two Antarctic sites reveals large-scale and ecoregion-specific components
Marco Paglione,David C. S. Beddows,Anna Jones,Thomas Lachlan-Cope,Matteo Rinaldi,Stefano Decesari,Francesco Manarini,Mara Russo,Karam Mansour,Roy M. Harrison,Andrea Mazzanti,Emilio Tagliavini,and Manuel Dall'Osto
Division of Environmental Health and Risk Management, School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
Department of Environmental Sciences/Center of Excellence in Environmental Studies, King Abdulaziz University, P.O. Box 80203, Jeddah, 21589, Saudi Arabia
Andrea Mazzanti
Department of Chemistry, University of Bologna, 40126 Bologna, Italy
Emilio Tagliavini
Department of Chemistry, University of Bologna, 40126 Bologna, Italy
Applying factor analysis techniques to H-NMR spectra, we present the organic aerosol (OA) source apportionment of PM1 samples collected in parallel at two Antarctic stations, namely Signy and Halley, allowing investigation of aerosol–climate interactions in an unperturbed atmosphere. Our results show remarkable differences between pelagic (open-ocean) and sympagic (sea-ice-influenced) air masses and indicate that various sources and processes are controlling Antarctic aerosols.
Applying factor analysis techniques to H-NMR spectra, we present the organic aerosol (OA) source...