Satellite Observed Aerosol Optical Thickness and Trend around Megacities in the Coastal Zone

Figure 3

Examples of time series (dark curve) of monthly mean AOT for (a) Istanbul, (b) New York, (c) Jakarta, and (d) Mumbai. Plus symbols are the departure (or anomaly) from the climatology and the linear trend is shown as the dark straight line.

(a)

(b)

(c)

(d)