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of O
arctic O
aerosols B-climate-nature
is O
crucial O
, O
because O
the O
Arctic O
region O
is O
a O
very O
sensitive O
area O
and O
an O
important O
factor O
in O
global O
circulation O
and O
climate O
. O
State O
- O
of O
- O
the O
art O
algorithms O
are O
not O
able O
to O
resolve O
this O
task O
, O
leading O
to O
gaps O
in O
aerosol B-climate-nature
data O
in O
the O
Polar O
regions O
. O
The O
algorithm O
is O
a O
multi O
- O
angle O
approach O
, O
based O
on O
the O
dual O
- O
viewing O
Advanced B-climate-observations
Along I-climate-observations
- I-climate-observations
Track I-climate-observations
Scanning I-climate-observations
Radiometer I-climate-observations
( O
AATSR B-climate-observations
) O
onboard O
ENVISAT B-climate-observations
. O
A O
number O
of O
conducted O
simulation O
and O
modeling O
studies O
preceded O
the O
establishment O
of O
automatic O
snow B-climate-nature
/ O
cloud B-climate-nature
discrimination O
algorithm O
and O