national atmospheric deposition program wet deposition observations along the gulf coast
DESCRIPTION
National Atmospheric Deposition Program Wet Deposition Observations Along the Gulf Coast Prepared by David Gay, Chris Lehmann, Bob Brunette July 28, 2010 217.244.0462, [email protected] , http://nadp.isws.illinois.edu /. National Atmospheric Deposition Network Mercury Deposition Network. - PowerPoint PPT PresentationTRANSCRIPT
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National Atmospheric Deposition Program
Wet Deposition Observations Along the Gulf Coast
Prepared by David Gay, Chris Lehmann, Bob Brunette
July 28, 2010217.244.0462, [email protected], http://nadp.isws.illinois.edu/
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National Atmospheric Deposition NetworkMercury Deposition Network
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Trajectories from the Blowout Location
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Forward Trajectories from the Blowout LocationEvery 12 hours, times in GMT
Approximate time of blowout and fire
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Mercury Deposition Network Data
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44 - 66 - 88 - 1010 - 1212 - 1414 - 1616 - 18> 18
Hg(ng/L)
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!!15
12.7
13.1
17.714.7
12.6
8
7
4
5
9
14
34
18
15
5.9
9.9
8.1
7.7
6.7
6.75.7
7.9
7.4
3.3
5.3
6.84.9
7.7
6.5
8.5
6.36.4
8.4
2.1
6.8 8.2
5.9
6.7
6.6
7.4
7.2
6.1
1.9
6.8
9.1
9.7
9.9
7.6
5.7
5.46.6
5.8
6.6
4.5
5.65.2
6.6
8.5
6.2
7.7
9.1
9.9
7.1
6.5
7.44.4
4.3
4.85.7
4.4
7.45.8
6.3
4.1 4.5
8.3
7.5
9.5
7.8
9.1
7.9
8.1
7.8
9.7
8.1
7.6
8.6
9.8
8.7
7.9
4.8
3.7
3.6
8.9
7.8
8.9
10.5
19.5
11.4
12.9
11.510.3
15.7
24.9
14.6
16.1 13.4
10.5
13.1
11.611.2
10.2
11.4 11.8
10.616.7
14.8
12.4
31.514.8
31.2
Slide 8
Mercury Deposition Network2009 Annual Average
2010 Mid-April through June
concentrations
Provisional Data:Do not cite
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Slide 9
Site
2009 Concentration
ng/L
2010 Concentration
ng/L
Concentration Change2010-2009 Change %
FL98 12.6
LA05 12.8 14.7 1.9 15%
LA28 17.0 17.7 0.7 4%
FL05 11.8 13.1 1.3 11%
MS22 8.4 15.0 6.6 78%
MS12 12.7
Mercury Deposition Network2010 (mid April – June) vs. 2009
Provisional Data:Do not cite
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Provisional Data:Do not cite
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Provisional Data:Do not cite
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Blowout Week Deposition vs. All Observations
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Blowout Week Deposition vs. All Spring Observations
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Blowout Week Deposition vs. All Low-Precipitation
Spring Observations
<1inch, LA28 only
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National Trends Network Data
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0
20
40
60
80
100
20
25
30
35
40
45
50
Precipitatio
n Depth, m
m
oncentratio
n) / (3‐Year A
verage)
Ion Concentrations in PrecipitationIberia Research Station (LA12)
0
5
10
15
20
Ratio
: (Sample Co Ca
Mg
K
Na
NH4
NO3
Cl
SO4
SubPPt
National Trends Network: http://nadp.isws.illinois.edu
16Provisional Data: Do not cite
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0
20
40
60
80
100
8
10
12
14
16
18
20
Precipitatio
n Depth, m
m
oncentratio
n) / (3‐Year A
verage)
Ion Concentrations in PrecipitationIberia Research Station (LA12)
0
2
4
6
8
Ratio
: (Sample Co
NH4
NO3
SO4
SubPPt
National Trends Network: http://nadp.isws.illinois.edu
17Provisional Data: Do not cite
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10050
Ion Concentrations in PrecipitationSoutheast Research Station (LA30)
60
80
40
45
epth, m
m
)
20
40
60
30
35
40
Precipita
tion D
e
(3‐Year A
verage)
0
20
25
30
oncentratio
n) / (
15
20
atio: (Sam
ple Co Ca
Mg
K
Na
5
10Ra NH4
NO3
Cl
SO4
0 SubPPt
National Trends
18
contamination
Provisional Data: Do not cite
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0
20
40
60
80
100
8
10
12
14
16
18
20
Precipitatio
n Depth, m
m
oncentratio
n) / (3‐Year A
verage)
Ion Concentrations in PrecipitationSoutheast Research Station (LA30)
0
2
4
6
8
Ratio
: (Sample Co
NH4
NO3
SO4
SubPPt
National Trends Network: http://nadp.isws.illinois.edu
19Provisional Data: Do not cite
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0
20
40
60
80
100
0 4
0.5
0.6
0.7
0.8
0.9
1
Precipitatio
n Depth, m
m
Wet Deposition
(kg/ha)
Ion Wet DepositionSoutheast Research Station (LA30)
0
0.1
0.2
0.3
0.4
Total W
NH4Dep
NO3Dep
SO4Dep
SubPPt
National Trends Network: http://nadp.isws.illinois.edu
20Provisional Data: Do not cite
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21Provisional Data: Do not cite
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Blowout Week Sulfate Deposition vs. All Observations
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Slide 23
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Blowout Week Sulfate Deposition vs. All Spring Observations
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Slide 25
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Blowout Week Deposition vs. All Spring Observations
w/less than 1 inch rainfall
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Slide 27
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Change in sulfate ion concentration, 2009-2010 (microequivalents per liter)Six week period mid-April through May; all sites have a minimum of four data points within each 6 week period.
Six-Week Deposition Changes, 2010 vs. 2009
Slide 28
Provisional Data: Do not cite
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Change in sulfate ion concentration, 2009-2010 (percent)Six week period mid-April through May; all sites have a minimum of four data points within each 6 week period.
Slide 29
Provisional Data: Do not cite
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Change in nitrogen concentration, 2009-2010 (microequivalents per liter)Sum of nitrate plus ammonium ion. Six week period mid-April through May; all sites have a minimum of four data points within each 6 week period.
Slide 30
Provisional Data: Do not cite
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Change in sulfate ion concentration, 2009-2010 (percent)Six week period mid-April through May; all sites have a minimum of four data points within the 6 week period.
Slide 31
Provisional Data: Do not cite