himalayan aerosol measurements: tibet, central nepal · 1 may 7, 2009 nasa/gsfc si-chee tsay,...
TRANSCRIPT
1May 7, 2009
NASA/GSFC
Si-Chee Tsay, Deputy
EOS/Terra Project Scientist
Himalayan Aerosol Measurements:Tibet, Central Nepal
Tibet: 4276m
Mt. Everest: 5050m
Langtang, Nepal 3670m
0.0
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0.4
0.6
0.8
1.0
1.2
1.4
0
1
2
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JA
N
FE
B
MA
R
AP
R
MA
Y
JU
N
JU
L
AU
G
SE
P
OC
T
NO
V
DE
C
Indo-Gangetic Plain: Aerosol loading (blue line) is extremely high
Increases rapidly from March to May
AOD (500 nm)
Alpha (440-870)
Precip. water (cm)
AO
D (
500 n
m)
& A
ngst
rom
Exp
onen
tP
recipita
ble W
ater (cm
)
0.88
0.90
0.92
0.94
0.96
0.98
1.00
400 500 600 700 800 900 1000 1100
Comparison of Asian Dust Single Scattering Albedoversus Saharan and Saudi Arabian Dust
BeijingAnmyon, S. KoreaDunhuang, ChinaKanpur, IndiaCape VerdeSaudi Arabia - SVBahrain
Sin
gle
Sca
tte
rin
g A
lbed
o
Wavelength (nm)
T. Eck et al 2004
Micrographs of
soot coating and aggregate
on mineral dust from Asian
dust (courtesy of J. Anderson)
More
absorb
ing
How absorbing are dust aerosols in The Indo-Gangetic Plain?
Ground-based and satellite aerosol (AOD) measurements
AOD values are related to the particle concentration, size and type of particle
Sources of Aerosols
