11:30am - 11:45am
TU2-1: 1

Quantifying non-exhaust emissions in London using a combined source apportionment and machine learning approach

Anja H. Tremper¹, Gang Chen¹, Max Priestman¹, Manousos-Ioannis Manousakas², Andre Prevot³, David Green¹

¹Imperial College London, UK; ²National Centre of Scientific Research “Demokritos”, Greece; ³Paul Scherrer Institute, Switzerland

11:45am - 12:00pm
TU2-1: 2

Source-dependent absorption Ångstrom exponent in the Los Angeles Basin: Multi-time resolution factor analyses of ambient PM2.5 and aerosol optical absorption

Marjan Savadkoohi¹, Uwayemi M. Sofowote², Marco Pandolfi¹, Andres Alastuey¹, Xavier Querol¹, Philip K. Hopke³

¹Institute of Environmental Assessment and Water Research (IDAEA-CSIC), Spain; ²Environmental Monitoring and Reporting Branch, Ontario Ministry of the Environment, Conservation and Parks, Toronto, Canada; ³Department of Public Health Sciences, University of Rochester School of Medicine and Dentistry, Rochester, NY, USA

12:00pm - 12:15pm
TU2-1: 3

Multi-time Positive Matrix Factorization approach for enhanced source apportionment of organic aerosols from aerosol mass spectrometry and molecular speciation in two urban environments (Lyon and Bordeaux, France)

Hasna Chebaicheb^1,2,3, Vy Ngoc Thuy Dinh⁴, Jean-Luc Jaffrezo⁴, Florie Francony⁵, Florent Roze⁶, Caroline Marchand^1,3, Joel Ferreira de Brito^2,3, Véronique Riffault^2,3, Gaelle Uzu⁴, Olivier Favez^1,3

¹Ineris, Verneuil en Halatte, 60550, France; ²IMT Nord Europe, Centre for Energy and Environment, Lille, 59000, France; ³LCSQA, 60550 Verneuil-en-Halatte, France; ⁴IGE, Univ Grenoble Alpes, Grenoble, 38400, France; ⁵Atmo Nouvelle-Aquitaine, Limoges, 87280, France; ⁶Atmo Auvergne-Rhone-Alpes, Bron, 69500, France

12:15pm - 12:30pm
TU2-1: 4

A source apportionment methodology joining multi-time resolution and size-segregated datasets for a better understanding of aerosol sources

Crova Federica¹, Valli Gianluigi¹, Bernardoni Vera¹, Cadeo Laura², Canepari Silvia³, Hopke Philip K.⁴, Massimi Lorenzo³, Perrino Cinzia⁵, Vecchi Roberta¹

¹Università degli Studi di Milano & INFN-Milan, Italy; ²Università degli Studi di Milano, Italy; ³Università di Roma La Sapienza, Italy; ⁴Institute for a Sustainable Environment, Clarkson University & University of Rochester School of Medicine and Dentistry, USA; ⁵C.N.R. Institute of Atmospheric Pollution Research, Italy