overview of increment tracking and cumulative effects modeling issues
DESCRIPTION
Overview of Increment Tracking and Cumulative Effects Modeling Issues. WESTAR Fall Technical Conference Seattle 15-17 September 2003 Philip Allen, Oregon DEQ. What is included in Increment Tracking & Cumulative Effects analysis?. PSD Class I Increment Air Quality Related Values (AQRVs) - PowerPoint PPT PresentationTRANSCRIPT
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Overview of Increment TrackingOverview of Increment Trackingand Cumulative Effectsand Cumulative Effects
Modeling IssuesModeling Issues
WESTAR Fall Technical Conference
Seattle
15-17 September 2003
Philip Allen, Oregon DEQ
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What is included in Increment Tracking & Cumulative Effects analysis?
• PSD Class I Increment
• Air Quality Related Values (AQRVs)– Deposition
• S• N
– Visibility• Ammonium Sulfate [(NH4)2SO4]• Ammonium Nitrate [NH4NO3]• Particulate Matter (PM)
– Ozone [O3]
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What are the resources to work with?What are the resources to work with?
• Meteorology– Observations (surface-upper air)– MM4/MM5 (80, 36, 12, 4 km)
• Emissions Inventories– State– Regional
• Data Management (met, EI, model results)– State– Regional
• The International Connection– shared domains, met, models, EI
• Models– CALPUFF– CMAQ– AERMOD
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WESTAR Area of InterestWESTAR Area of Interest
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Regional airsheds andRegional airsheds andoverlapping jurisdictions?overlapping jurisdictions?
• Pacific NW
• Pacific SW
• Colorado Plateau
• Rocky Mt West
• Northern Plains
• Colorado-New Mexico
• FLM jurisdictions
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U.S.D.A. Forest Service RegionsU.S.D.A. Forest Service Regions
Region 1Region 6
Region 4
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A brief example of a Class I Cumulative A brief example of a Class I Cumulative Effects Analysis in the Pacific NWEffects Analysis in the Pacific NW
• Bonneville Power Administration (BPA)
– NEPA study on proposed power plants– conducted in 2001– Proposed plants only
• No existing industrial point sources• No area and mobile sources
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Federal Class I Areas: Oregon and Washington
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Regional wind fields based on MM5 at 12 kmRegional wind fields based on MM5 at 12 km
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1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 1600 1650
East-W est Lam bert C onform al C oordinate (km )
-400
-300
-200
-100
0
100
200
Nor
th-S
outh
Lam
bert
Con
form
al C
oord
inat
e1
2
3
4
5
7
9
10 13
14
15
8,12
6,11
O lym pic N PO lym pic N P
Pasayten W ild.
N orth C ascades N P
G lacier Peak W ild.
A lp ine Lakes W ild.
M t R ain ier N P
G oat R ocks W ild.
M t Adam s W ild.
C R G N SA
M t H ood W ild.
M t Jefferson W ild.
S traw berry M tn. W ild.
Eagle C ap W ild.
H ells C anyon W ild.
Spokane Indian R es.
Three S isters W ild.
D iam ond Peak W ild.
M t Baker W ild .
1 - F redonia Facility2 - R athdrum Pow er3 - F rederickson Pow er4 - C oyote Springs 25 - G oldendale Energy6 - H erm iston Pow er7 - C hehalis G eneration8 - Longview Energy9 - The C liffs10 - B ig H anaford11 - U m atilla G enerating12 - M int Farm13 - W allu la Pow er14 - S tarbuck Pow er15 - Satsop Phase I
BPA Study: Class I areas and example baseline sourcesBPA Study: Class I areas and example baseline sources
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BPA Study: Max 24-hr visibility extinction (1Mm) BPA Study: Max 24-hr visibility extinction (1Mm) from baseline sourcesfrom baseline sources
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Pacific NW and the Columbia BasinPacific NW and the Columbia Basin
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Examples of regional studies
• Chuck Machovec: SW Colorado-Northern New Mexico
• Ken Rairigh: Wyoming