Regional-Scale Modeling and Emissions Analyses in Support of Ace-Asia
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Transcript of Regional-Scale Modeling and Emissions Analyses in Support of Ace-Asia
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Regional-Scale Modeling and Emissions Analyses in Support of
Ace-Asia
CFORS Team:
Kyushu/Argonne/Iowa
G. Carmichael, I. Uno, D. Streets, Y. Tang, J. Woo, S. Guttikunda, N. Thongboonchoo, S.
Sataka, G. Kurata, J. Yienger, M. Uematsu, N. Sugimoto, B. Huebert, T. Clarke, T. Bates, T.
Quinn, R. Weber, H. Friedli, T. Chen, B. Blomquist
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BC at surface BC C-130 #11 April 19th
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April 9 April 12
Asian Outflow: Complex Mixture of Dust, Bio, and
Fossil Components
Data: Sugimoto, et al.
Poster: A11A0060
Sataka et al.
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TUMM Lidar profilefor April 10, 2001
CFORS Forecasts Sometimes Under-predicted Elevated Dust
Layers
TOMS AI April 10
PDF main parts
???
CFORS Dust
Beijing Lidar experience = 0.1 / km -> 178g/m3
Elevateddust layer
Tokyo
Poster: Mon. A12B-0151 Uno et al.
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Ron Brownobserved high AOD
in Japan Sea
14
12
10
8
6
4
2
0
El A
l &
Ca (
ug/m
3)
10510095908580
Jday (UTC)
400
300
200
100
0
DU
ST_C
FO
RS (
ug/m
3)
totElAl 'DUST-fine_CFORS' 'DUST-all_CFORS' totElCa
Takla makan
Gobi
Log10(Dust)
AOD
Observed Al and model dust
Lidar Ext.Of Ron Brown= 0.2/kmThis may be Miyakejima sulfate
Plate 2Poster: Mon. A11A-0049 Bates et al.
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BC
SO4
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Color code Color code indicates indicates plume age plume age in days in days from that from that citycity
1457 1457 out of out of 29942994
No.
of
Poin
ts
Characterization of Emissions usingBack Trajectory Analysis -- ACE-Asia
0
50
100
150
200
250
300
Beijin
g
Tianjia
n
Wuhan
Taiyu
an
Guangzh
ou
Hongko
ng
Guiya
ng
Chongqing
Santou
Qingdao
Shanghai
Seoul-In
chon
Pusa
n
Kinki
Tokyo
Saigon
Manila
Bangko
k
5-5.54.5-54-4.53.5-43-3.52.5-32-2.51.5-21-1.50.5-10-0.5
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What Does This Analysis Tell Us About BC Emissions?
CO vs. BC
Obs.
Poster: Mon. A11A-0062 N. Thong.
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But Magnitude Is Still an Issue: Are Domestic Sector Emissions
Underestimated ??
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How is Photochemistry Impacted By These Aerosols? 1) Photolysis Impacts
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How is Photochemistry Impacted By These Aerosols? 2) Heterogeneous Rxns:Direct Ozone Loss?
W/O Het. Rxn
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“Observed” Hg(Kg)
Construction of Hg Emissions Inventory Using Bottoms-Up and Observed Hg/SO2 Ratios
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Summary
• Aerosol outflow is complex, characterizing it requires 4-dimensional measurements.
• Impacts on chemistry and radiation appear to be important.
• Closer integration of emissions, models and measurements is necessary to better quantify our understanding of Asian aerosols.
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U. Iowa/Kyushu/Argonne/GFDL
With support from NSF, NASA (ACMAP,GTE), NOAA, DOE
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Our Supporting Role
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