aerocan support for activity 4 (implications of measurements on simulations of atmospheric processes...
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![Page 1: AEROCAN support for Activity 4 (Implications of Measurements on Simulations of Atmospheric Processes and Climate) N. T. O'Neill, S. Hesaraki, Universite](https://reader035.vdocument.in/reader035/viewer/2022081518/551ac935550346856e8b5c19/html5/thumbnails/1.jpg)
AEROCAN support for Activity 4 (Implications of Measurements on Simulations of
Atmospheric Processes and Climate)
N. T. O'Neill, S. Hesaraki, Universite de Sherbrooke, Sherbrooke, Canada
Norm O'Neill, NETCARE workshop, U. of Toronto, Nov. 19, 2013
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AEROCAN (Canadian Sunphotometer Network)
Resolute Bay
Saturna IslandBratt’s Lake
Waskesiu
Churchill
Kuujjuarapik
HalifaxSherbrooke
Egbert
Pickle Lake
Fort McKay & McMurray
Kelowna
Chapais
Eureka (PEARL, OPAL)
Toronto
Yellowknife
Iqaluit
Sable Island
Lethbridge
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NSHSRLMMCR
CRL, AMSMMCR
KARL
Polarsummer
sites
AERONETAEROCAN / AERONET
Polar summer
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NSHSRLMMCR
CRL, AMSMMCR
KARL
Starphotometers Moonphotometers Polar
wintersites
Polar winter
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0.001
0.01
0.1
0.1 1 10
dV/d
ln r
(um
3 / um
2 )
radius (um)
Sampling of Oleg’s PSD inversions
What parameters do we compare with the models?
)( )( )( cfa
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What parameters do we compare with the models?
These results about a factor of 2 larger than modeling values used in recent publications or about a factor of 5.5 larger in terms of (per particle) backscatter cross section.
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0.00
0.05
0.10
0.15
0.20
MAR APR MAY JUN JUL AUG SEP OCT
AO
D (
50
0 n
m)
Barrow NOAA (2001-2011)
Barrow AERONET (1999-2011)
Resolute Bay (2004-2011)
OPAL (2007-2011)
PEARL (2007-2011)
Alert (2004-2011)
Thule (2007-2011)
Kangerlussuaq (2008-2011)
Hornsund (2006-2011)
Ny-Alesund (1991-2011)
Pan-Arctic Aerosol Climatology
0
100
200
300
MAR APR MAY JUN JUL AUG SEP OCT
No
bs
(Day
s)
Barrow NOAABarrow AERONETResolute BayOPALPEARLAlertThuleKangerlussuaqHornsundNy-Alesund
Pan-Arctic AOD Climatology
Barrow-NOAA
Barrow-AERONET PEARL
OPALThule
Resolute Bay
Alert
Hornsund
Ny-Alesund
Kangerlussuaq
Saha et al., 2013
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0
0.5
1
1.5
2
0 1 2 3 4
trajectory time (days)
Halifax MDSCSERC GSFCWallops Island EgbertHowland, ME CCNYCOVE Norfolk
MODIS July 8, 2002
0
0.5
1
1.5
2
2.5
0 1 2 3 4
trajectory time (days)
'
0
0.05
0.1
0.15
0.2
0 1 2 3 4
trajectory time (days)
reff
FMC
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Cloud screening
9
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10
Cloud screening (EUR: Mar 10, 2011)
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11
Cloud screening (EUR: Mar 13, 2011)