aqd.nps/ARD/vis/vismap.html
Feb 05, 2016
http://http://www.aqd.nps.gov/ARD/vis/vismap.html. Summary of seasonal trends in fine mass concentration for four geographic regions of the United States. The height of the bar is the fine mass in ug/m 3 and the shaded patterns are proportional to the contribution of various particle species. - PowerPoint PPT Presentation
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http://http://www.aqd.nps.gov/ARD/vis/vismap.html
ANNUAL MEAN RECONSTRUCTED EXTINCTION 3/1993 - 2/1998
0
10
20
30
40
50
60
70
Gre
at
Ba
sin
NP
Ye
llow
sto
ne
NP
La
sse
n V
olc
an
ic N
P
Gra
nd
Ca
nyo
n N
P
Me
sa V
erd
e N
P
Ca
nyo
nla
nd
s N
P
Ro
cky
Mo
un
tain
NP
Gre
at
Sa
nd
Du
ne
s N
P
Bry
ce C
an
yon
NP
Cra
ter
La
ke N
P
Ba
nd
elie
r N
M
Pe
trifi
ed
Fo
rest
Gra
nd
Ca
nyo
n -
In
dia
nG
ard
en
s
Ch
irica
hu
a N
M
Ton
to N
M
Yo
sem
ite N
P
Gu
ad
alu
pe
Mo
un
tain
s N
P
Big
Be
nd
NP
Ba
dla
nd
s N
P
Pin
na
cle
s N
M
Gla
cie
r N
P
Re
dw
oo
d N
P
Mo
un
t R
ain
ier
NP
Po
int
Re
yes
NS
Se
qu
oia
NP
Ex
tin
cti
on
(M
m-1
)
Sulfate Nitrate Organics Soot Coarse & Soil Rayleigh
Summary of seasonal trends in fine mass concentration for four geographic regions of the United States. The height of the bar is the fine mass in ug/m3 and the shaded patterns are proportional to the contribution of various particle species.
Average reconstructed light extinction coefficient (Mm-1) calculated from the aerosol concentrations measured during IMPROVE. The various panels show total extinction (including Rayleigh scattering due to air).
The top panel shows extinction, expressed in terms of inverse megameters, that is contributed by sulfates, while the bottom panel shows the percent contribution of sulfates to total particulate extinction.
The top panel shows extinction, expressed in terms of inverse megameters, that is contributed by organic carbon, while the bottom panel shows the percent contribution of organic carbon to total particulate extinction.
The top panel shows extinction, expressed in terms of inverse megameters, that is contributed by light-absorbing carbon, while the bottom panel shows the percent contribution of light-absorbing carbon to total particulate extinction.
http://www.meteoros.de/ee01ee02/ee02_b.htm
Photo by R. S. Fay, Rockville, MD
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