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is especially well simulated, implying the usefulness of the ADAM model
for the simulation of Asian dust events.
4.2.
Spatial distributions of aerosol concentrations
The spatial distributions of monthly mean column sulfate, nitrate, ammo-
nium and PM
10
concentration are shown in Fig. 4. The spatial distribution
pattern of monthly mean column sulfate (Fig. 4(a)) is similar to that of the
SO
2
emission (Fig. 2) but the maximum concentration zone is slightly fur-
ther southeast. The spatial distribution pattern of monthly mean column
Fig. 4.
Spatial distributions of modeled monthly mean column concentrations of
(a) SO
2
4
,(b)NO
3
,(c)NH
4
,and(d)PM
10
. The column concentration (
ยต
g
/
m
2
)is
expressed in common logarithm.
