Identification and Characterization of Black Carbon Aerosol Sources in the East Baltic Region

Figure 2

Active fires detected during April 24–30, 2011 during high BC concentration event: (a) by the MODIS Rapid Response System, ((b), (d)) sulphate, dust, and smoke surface concentration (μg m⁻³) for 18:00 April 26 2011, and (c) 7-day air mass backward trajectories to Preila (at 500, 1000, and 1500 m AGL) during the event of grass fires.

(a)

(b)

(c)

(d)