Global variability of aerosol optical properties retrieved from the network of GAW near-surface observatories

Bigi, Alessandro; Coen, Martine Collaud; Andrews, Elisabeth J.; Rose, Clemence; Myhre, Cathrine Lund; Fiebig, Markus; Schulz, Michael; Ogren, John A.; Gliss, Jonas; Mortier, Augustin; Wiedensohler, Alfred; Pandolfi, Marco; Petäjä, Tuukka; Kim, Sang-Woo; Aas, Wenche; Putaud, Jean-Philippe; Mayol-Bracero, Olga; Keywood, Melita; Labrador, Lorenzo; Laj, Paolo