Measurement report: Lessons learned from the comparison and combination of fine carbonaceous aerosol source apportionment at two locations in the city of Strasbourg, France - Chebaicheb, H.; Chatain, M.; Favez, O.; de Brito, J. F.; Crenn, V.; Amodeo, T.; Gherras, M.; Jantzem, E.; Marchand, C.; Riffault, V. (EGUsphere, 2025)