Young J. Kim, Kyung W. Kim, K. Ogunjobi, Zuanshi He, and Jung E. Kim - PowerPoint PPT Presentation

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Young J. Kim, Kyung W. Kim, K. Ogunjobi, Zuanshi He, and Jung E. Kim

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Title: Young J. Kim, Kyung W. Kim, K. Ogunjobi, Zuanshi He, and Jung E. Kim


1
K-JIST / ADEMRC KwangJu Institute of Scienceand
Technology ADvanced Environmental Monitoring
Research Center
Physico-Chemical Characteristics
and Radiative Properties of
Yellow Sand Particles During the ACE-Asia IOP at
Kwangju and Kosan, Korea
Young J. Kim, Kyung W. Kim, K. Ogunjobi, Zuanshi
He, and Jung E. Kim Advanced Environmental
Monitoring Research Center (ADEMRC) Dept. of
Environmental Science Engineering, K-JIST,
Kwangju, Korea
Chang-Hee Kang Department of Chemistry, Cheju
National University, Jeju, Korea Jin S. Han and
D.G. Lee National Institute of Environmental
Research (NIER), Seoul, Korea
18 - 25 September, 2002 Grete, Greece
2
Monitoring Sites in Korea During the ACE-Asia IOP
Kwangju site,
Gosan super site
33 1 7 N, 126 10E, 50.0m ASL
35 10 N, 126 54E, 70.5m ASL
3
Kwangju Visibility Monitoring Station (KJVMS)
Mt.Mudung
1.91km
Light extinction (scattering absorption) by
ambient air
4
Measurements at Kwangju
-2001 ACE-Asia monitoring periods
22 March 6 May, 2001 - Aerosol Sampling
Conditions 12-hour sampling
daytime(0600 AM
0600 PM)
nighttime(0600 PM 0600 AM) - Optical
Monitoring Conditions Continuous (1-min time
base) - Measurement parameters Optical
properties bext (Transmissometer)
bscat (Nepholometer) - PM2.5
PM10 linet babs
(Aethalometer) - PM2.5 PM10 linet
Gravimetric properties PM2.5 mass, PM10 mass
(URG VAPS-2000J, RP
Sequential WINS) Chemical properties ions
(SO42-, NO3-, Cl-, etc.)
elements (Na, Mg, Si, S, etc.)
OC EC (RP Carbon
Monitor)
5
Aerosol Monitoring Samplers At KJVMS
Transmitter Site
Receiver Site
6
Optical Instruments Camera at KJVMS
Optec, LPV-2 Transmitter
Optec, LPV-2 Receiver
Belfort, 1597 Nephelometer
MageeSci, AE-14U Aethalometer
Pentax PZ-20 35mm camera
PMS, Passive Cavity Aerosol Spectrometer
7
Radiation Instruments
UV-A UV-B
Multi-Filter RSR
Rotating Shadow-band Radiometer (RSR)
8
Samplers Filter Types for Aerosol Monitoring
Site Sampler Sampler Particle Size Filter Type Analytical Method Organization Sampling frequency
KJVMS Kwangju URG VAPS right arm 02.5?m Quartz (Whatman, 47mm) Thermal Manganese Oxidation Analysis (EC OC), AtmAA, USA 12-hour
KJVMS Kwangju URG VAPS center arm 2.510?m Polycarbonate (Nuclepore) filter (Costa, 0.4?m, 47mm) Gravimetric Analysis (mass), K-JIST 12-hour
KJVMS Kwangju URG VAPS left arm 02.5?m Nylon(Nylasorb) filter (Gelman, 1?m, 47mm) Gravimetric Analysis (mass) Ion Chromatography Analysis (sulfate, nitrate, etc), K-JIST 12-hour
KJVMS Kwangju URG VAPS left arm 02.5?m Denuder (URG, 150 242mm) Ion Chromatography Analysis (SO2, HNO3, NH3 gas), K-JIST 12-hour
KJVMS Kwangju WINS sampler WINS sampler 02.5?m Teflon (Teflo) filter (Gelman, 2?m, 47mm) Gravimetric Analysis (mass) Induced Couple Plasma Analysis (ICP/MS ICP/AES Na,Pb, 20 elements), KBSI 12-hour
KJVMS Kwangju MOUDI sampler MOUDI sampler Teflon (Zeflour) filter (Gelman, 2?m, 47mm) Gravimetric Analysis (mass) Ion Chromatography Analysis (sulfate, nitrate, etc), K-JIST 12-hour
9
Aerosol Measurements at Kosan Super Site by NIER
Item Instrument Instrument
Item Sampling Analysis
PM2.5, PM10 Mass and Ions(anion, cation) HCl, HNO2, HNO3 Cyclone and 3 stage filterpack, Annual Denuder IC and AAS
NH3 ? UV
Continuous HCl, HNO2, HNO3, SO2 On-Line Diffusion Scrubber and Ion Chromatography On-Line Diffusion Scrubber and Ion Chromatography
EC/OC species Element/Organic carbon Analyzer(RP, 5400) Element/Organic carbon Analyzer(RP, 5400)
Black Carbon in PM10 Black Carbon Analyzer(Elberline, FH62-IR) Black Carbon Analyzer(Elberline, FH62-IR)
Aerosol Composition (lt2.5?, 2.5-10?gt) Dichotomous air sampler Dichotomous air sampler
Continuous PM2.5 Mass TEOM(Tapered Element Oscillating Microbalance) TEOM(Tapered Element Oscillating Microbalance)
Particle size distribution and ion composition Cascade Impactor (Anderson INC.) Balance and IC
Particle Number Aerodynamic Particle Counter(model 3320) Aerodynamic Particle Counter(model 3320)
10
Aerosol Measurements During ACE-Asia IOP
Site Measured Parameter Measured Parameter Component index
Kwangju Aerosol Fine (02.5?m ) Mass Ion (SO42-, NO3-, Cl-, NH4, K, Na, Mg2, Ca2) Element (Na, Mg, Al, Si, S, Cl, K, Ca, Ti, V, Mn, Fe, Co, Ni, Cu, As, Zn, Pb, Sr)
Kwangju Aerosol Coarse (2.510?m ) right arm Mass Element (Na, Mg, Al, Si, S, Cl, K, Ca, Ti, V, Mn, Fe, Co, Ni, Cu, As, Zn, Pb, Sr)
Kwangju Optical bext Ambient light extinction coefficient
Kwangju Optical bscat Ambient light scattering coefficient
Kwangju Optical babs Ambient light absorption coefficient
Kwangju Optical EC/OC RP 5400 carbon monitor
Kwangju Meteorological RH
Kosan Aerosol Fine (02.5?m ) Mass Ion (SO42-, NO3-, Cl-, NH4, K, Na, Mg2, Ca2), EC/OC
Kosan Aerosol Coarse (2.510?m ) Mass Ion (SO42-, NO3-, Cl-, NH4, K, Na, Mg2, Ca2)
Kosan Optical babs Ambient light absorption coefficient
Kosan Optical EC/OC RP 5400 carbon monitor
Kosan Meteorological RH
11
K-JIST, ADEMRC
12
Asian Dust Source Strength in 2002
(Chinese Meteorological Administration)
13
K-JIST / ADEMRC ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Measurements at Kwangju
PM10 Mass Conc. at MoEnv Monitoring Stations in
Kwangju
1st Yellow Sand
14
K-JIST / ADEMRC ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Measurements at Kwangju
PM10 Mass Conc. at MoEnv Monitoring Stations in
Kwangju
2nd Yellow Sand
3rd Yellow Sand
Weak Yellow Sand
15
Han and et al, NIER
16

Kwangju, Korea
Visual range 60.7km bext 64Mm-1
17

Kwangju, Korea
9 April, 2001
Visual range 19.7km bext 199Mm-1 PM10 46.7
ug/m3
18

Kwangju, Korea
10 April, 2001
Visual range 13.1km bext 299Mm-1 PM10 86.8
ug/m3
19

The 2nd AD Event Kwangju, Korea
11 April, 2001
Visual range 3.17km bext 1281Mm-1 PM10
414.9 ug/m3
20

Kwangju, Korea
12 April, 2001
Visual range 14.2km bext 275Mm-1 PM10
69.4 ug/m3
21
Kwangju, Korea
13 April, 2001
Visual range 8.6km bext 455Mm-1 PM10 97.1
ug/m3
22

Kwangju, Korea
14 April, 2001
Visual range 20.5km bext 191Mm-1 PM10
35.4 ug/m3
23

The 3rd AD Event Kwangju, Korea
25 April, 2001
Visual range 4.9km bext 798Mm-1 PM10 173.5
ug/m3
24
K-JIST / ADEMRC ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
25
K-JIST / ADEMRC ADvanced Environmental
Monitoring Research Center KwangJu Institute of
Scienceand Technology
26
K-JIST/ADEMRC ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Non Asian Dust Event Days 1st AD Event (22 March) 2nd AD Event (11 April) 3rd AD Event (25 April)
Mean bext 318 Mm-1 1317Mm-1 999 Mm-1 515 Mm-1
Mean VR 12.3 km 3.0 km 3.9 km 7.6 km
Mean AOD 0.17 0.62 0.52 0.25
Mean PM2.5 23.2 ug/m3 43.4 ug/m3 60.8 ug/m3 45.4 ug/m3
Mean PM10 45.8 ug/m3 393.9 ug/m3 154.0 ug/m3 82.2 ug/m3
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
27
HYSPLIT-4.5 Model, NOAA/ARL
The 1st Asian Dust Storm 22 March, 2001
Parameter Kwangju
RH 38.9
VR 3.0km
bext 1317 Mm-1
PM2.5 43.4 ug/m3
PM10 393.9 ug/m3
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
28
HYSPLIT-4.5 Model, NOAA/ARL
The 2nd Asian Dust Storm 11 April, 2001
Parameter Kwangju
RH 60.8
VR 3.9km
bext 999 Mm-1
PM2.5 60.8 ug/m3
PM10 154.0 ug/m3
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
29
HYSPLIT-4.5 Model, NOAA/ARL
The 3rd Asian Dust Storm 25 April, 2001
Parameter Kwangju
RH 34
VR 7.6km
bext 515 Mm-1
PM2.5 45.4 ug/m3
PM10 82.2 ug/m3
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
30
HYSPLIT-4.5 Model, NOAA/ARL
The 3rd Asian Dust Storm 9 April, 2001
Parameter Kwangju
RH 34
VR 7.6km
bext 515 Mm-1
PM2.5 45.4 ug/m3
PM10 82.2 ug/m3
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
31
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Temporal Variation of Light Attenuation
Coefficient
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
32
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Comparison of Aerosol Chemical Composition
  • Asian Dust events
  • AD1 The 1st Asian Dust (22 March)
  • AD2 The 2nd Asian Dust (11 April)
  • AD3 The 3rd Asian Dust (25 April)
  • Clean Urban (CU) Kwangju 26 March
  • Clean Marine (CM) Kosan 29 April
  • Hazy Urban (HU) Kwangju 15-16 April
  • Hazy Marine (HM) Kosan 9 April

Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
33
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
34
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
35
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
36
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
37
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
38
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
39
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Summary
40
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Mean mass ambient extinction efficiency of
aerosol Asian Dust event 5.08?0.89 m2/g
Non-Asian Dust event 7.85 ?4.72 m2/g
3rd Asian Dust
1st Asian Dust
2nd Asian Dust
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
41
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
42
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
43
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Summary
Mean mass extinction efficiency of PM10 aerosols
Asian Dust events 5.08?0.89 m2/g Non-Asian
Dust events 7.85 ?4.72 m2/g
Single scattering albedo during Asian Dust
events
Fine particle Mean SSA 0.92 (0.81)
Coarse
particle Mean SSA 0.85 (0.90)

(Non-Asian Dust events)
44
Summary
  • The1st AD Event (22 March 2001) coarse mode dust
    aerosols from Northwestern Chinese desert regions
    dominated
  • The 2nd AD Event (11-13 April 2001) dust
    aerosols plus pollution particles from Chinese
    deserts through urban/industrial areas and the
    Yellow Sea
  • The 3rd AD Event (25-26 April 2001) from
    Northeastern Chinese sandy areas through Korean
    peninsular

45
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46
Continuing Works
  • Extinction (scattering absorption) budget
    calculations
  • Integration of time-resolved aerosol chemical
    composition data from DRUM sampler results (in
    collaboration with DELTA Group, UC Davis)

47

21 March 2002, Seoul, Korea
The Record High PM10 Conc. 1470 ug/m3/hr
48
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49
DELTA Group, UC Davis
50
ADEMRC, K-JIST ADvanced Environmental Monitoring
Research Center KwangJu Institute of Scienceand
Technology
Temporal Variation of PM2.5 10 at Kwangju and
Kosan
Kyung W. Kim and Young J. Kim K-JIST/ADEMRC
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