| Summary: | Table S1. Daily dust optical depth at 532 nm (DOD532) for fine dust (Df), coarse dust (Dc) and total dust (DD) along the particular dust periods for the five Iberian lidar stations (ARN, GRA, EVO, TRJ and BCN). The standard deviation values are in brackets. The Df-to-total dust DOD ratio (ftr_DOD) is also included. Table S2. Daily mass loading (2, in mg m-2) for fine dust (Df), coarse dust (Dc) and total dust (DD) along the particular dust periods for the five Iberian lidar stations (ARN, GRA, EVO, TRJ and BCN). The standard deviation values are in brackets. The Df-to-total dust mass ratio (_DD) is also included. Figure S1. Percent of HYSPLIT 5-day back-trajectories originated in the Sahara desert area and arrived at each station (from NE to SW, by decreasing latitude): (a) Barcelona (BCN), (b) Torrejón/Madrid (TRJ), (c) Évora (EVO), (d) Granada (GRA) and (e) El Arenosillo/Huelva (ARN). Figure S2. Temporal evolution of the dust outbreak by crossing the Iberian Peninsula in springtime 2021 in terms of the hourly fine dust CoM height (Df com), blue circles), and their daily values (white squares), for the five Iberian lidar stations as latitude decreases (from up to down panels): (a) BCN, (b) TRJ, (c) EVO, (d) GRA and (e) ARN. Figure S3. The same as Fig. S2, but for the coarse dust CoM height (Df com). Hourly and daily values are shown by red circles and white squares, respectively.
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