the seasonal aerosol aerosol pattern at the improve sites is examined using two methodologies:
DESCRIPTION
NARSTO PM Assessment Chapter 5: Spatial and Temporal Pattern TOC Introduction Data Global Pattern NAM Dust NAM Smoke NAM Haze NAM Total PM Local PM Speciated Seasonal over the Central EUS. The seasonal aerosol aerosol pattern at the IMPROVE sites is examined using two methodologies: - PowerPoint PPT PresentationTRANSCRIPT
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NARSTO PM AssessmentChapter 5: Spatial and Temporal Pattern
TOC Introduction Data Global Pattern NAM Dust NAM Smoke NAM Haze NAM Total PM Local PM
Speciated Seasonal over the Central EUS
The seasonal aerosol aerosol pattern at the IMPROVE sites is examined using two methodologies:
– Seasonal Mass Balance Charts
– Seasonal Percentile Frequency Charts
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Method 1: Cumulative Seasonal PM2.5 Composition
• PM2.5 chemical components were calculated based on the CIRA methodology
• In addition, the the organics were (tentatively) further separated as Primary Smoke Organics (red) and Remainder organics (purple)
PSO = 20*(K - 0.15*Si – 0.02* Na) Remainder Org = Organics - PSO
• Also, the ‘Unknown’ mass (white area) is the difference between the gravimetrically measured and the chemically reconstructed PM2.5.
• The daily chemical composition was aggregated over the available IMPROVE data range (1988-99) to retain the seasonal structure.
• I order to reduce the noise the daily data were smoothed by a 15-day moving average filter.
Shenandoah
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Method 2: Seasonal Percentiles, 1992-99
At Lye Brook, VT, the clean days (20 percentile) corresponds to ~4 ug/m3 throughout the year
The dirty days are (80-90%-ile) have 2-5 times higher concentration than the clean days.
Great Smoky Mtn.Lye Brook
Clean days (20%) ‘Clean’ days (20%)
Dirty days, 80-90%
Dirty days, 80-90%
At the Smoky Mtn, the clean days in the winter are also ~4 ug/m3. However in the summer, even the ‘clean’ days have 14 ug/m3 PM2.5.
The dirty days are have 2-3 times higher than the clean days through out the year.
• The charts depict the magnitude of seasonal and synoptic variation• The synoptic-scale variation (day-to-day) can be measured by the 20-80 percentile spread
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Regional Grouping of Sites
• For this presentation the IMPROVE sites were grouped as follows:
– New England ()
– Mid-Atlantic ()
– Central EUS ()
– Peripheral ()
• For each region, the seasonality is displayed for:
– Chemical Mass Balance
– Carbonaceous Mass Balance
– Fine Particle Mass Percentiles
– Coarse Mass Percentiles
– Sulfate Percentiles
– Fine Soil Percentiles
– Tot. Carbon. + 'Unknown' Percentiles
– Smoke Organics Percentiles
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South WUS: Chemical Mass Balance
Tonto Bandelier Petrified F.
Saguaro NM Chiricahua
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Southwest : Chemical Mass Balance
Bryce Canyon Mesa Verde Hopi Point
Weminuche W G Sand Dunes
Canyonlands
White River
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Idaho: Chemical Mass Balance
Sawtooth Crater Moon
Salmon Scoville
Three Sisters
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Brooklyn L
Bridger, WY
Nevada-Wyoming: Chemical Mass Balance
Jarbidge
Yellowstone
Lone PeakGreat Basin
Mt. Zirkel Rocky Mt
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Washington-Oregon: Chemical Mass Balance
Columbia RG Crater Lake
Columbia G. Glacier NP
Sula MT
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San Joaquin Valley: Chemical Mass Balance
Lassen Volcan Death Valley Pinnacles
Bliss StatePark Yosemite
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Mntn and Valleys: Chemical Mass Balance
San Gorgonio Death Valley Sequoia
South Tahoe Snoqualamie
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WUS Coastal Sites: Chemical Mass Balance
Mauna Loa Puget Sound Point Reyes
Haleakala Redwood
Denali
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Big Bend and Guadal: Chemical Mass Balance
Guadalupe Big Bend
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South WUS: Carbonaceous Mass Balance
Tonto Bandelier Petrified F.
Saguaro NM Chiricahua
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Southwest : Carbonaceous Mass Balance
Bryce Canyon Mesa Verde Hopi Point
Weminuche W G Sand Dunes
Canyonlands
White River
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Idaho: Carbonaceous Mass Balance
Sawtooth Crater Moon
Salmon Scoville
Three Sisters
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Bridger, WY
Nevada-Wyoming: Carbonaceous Mass Balance
Jarbidge
Yellowstone
Lone PeakGreat Basin
Mt. Zirkel Rocky Mt
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Washington-Oregon: Carbonaceous Mass Balance
Columbia RG Crater Lake
Columbia G. Glacier NP
Sula MT
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San Joaquin Valley: Carbonaceous Mass Balance
Lassen Volcan Death Valley Pinnacles
Bliss StatePark Yosemite
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Mntn and Valleys: Carbonaceous Mass Balance
San Gorgonio Death Valley Sequoia
South Tahoe Snoqualamie
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WUS Coastal Sites: Carbonaceous Mass Balance
Mauna Loa Puget Sound Point Reyes
Haleakala Redwood
Denali
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Big Bend and Guadal: Carbonaceous Mass Balance
Guadalupe Big Bend
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South WUS: Fine Particle Mass Percentiles
Tonto Bandelier Petrified F.
Saguaro NM Chiricahua
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Southwest : Fine Particle Mass Percentiles
Bryce Canyon Mesa Verde Hopi Point
Weminuche W G Sand Dunes
Canyonlands
White River
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Idaho: Fine Particle Mass Percentiles
Sawtooth Crater Moon
Salmon Scoville
Three Sisters
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Bridger, WY
Nevada-Wyoming: Fine Particle Mass Percentiles
Jarbidge
Yellowstone
Lone Peak
Brooklyn L
Great Basin
Mt. Zirkel Rocky Mt
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Washington-Oregon: Fine Particle Mass Percentiles
Columbia RG Crater Lake
Columbia G. Glacier NP
Sula MT
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San Joaquin Valley: Particle Mass Percentiles
Lassen Volcan Death Valley Pinnacles
Bliss StatePark Yosemite
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Mntn and Valleys: Fine Particle Mass Percentiles
San Gorgonio Death Valley Sequoia
South Tahoe Snoqualamie
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WUS Coastal Sites: Fine Particle Mass Percentiles
Mauna Loa Puget Sound Point Reyes
Haleakala Redwood
Denali
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Big Bend and Guadal: Fine Particle Mass Percentiles
Guadalupe Big Bend
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South WUS: Coarse Mass Percentiles
Tonto Bandelier Petrified F.
Saguaro NM Chiricahua
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Southwest : Coarse Mass Percentiles
Bryce Canyon Mesa Verde Hopi Point
Weminuche W G Sand Dunes
Canyonlands
White River
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Idaho: Coarse Mass Percentiles
Sawtooth Crater Moon
Salmon Scoville
Three Sisters
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Nevada-Wyoming: Coarse Mass Percentiles
Jarbidge
Yellowstone
Lone Peak Bridger, WYGreat Basin
Mt. Zirkel Rocky Mt
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Washington-Oregon: Coarse Mass Percentiles
Columbia RG Crater Lake
Columbia G. Glacier NP
Sula MT
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San Joaquin Valley: Coarse Mass Percentiles
Lassen Volcan Death Valley Pinnacles
Bliss StatePark Yosemite
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Mountain Passes and Valle: Coarse Mass Percentiles
San Gorgonio Death Valley Sequoia
South Tahoe Snoqualamie
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Western US Coastal Sites: Coarse Mass Percentiles
Mauna Loa Puget Sound Point Reyes
Haleakala Redwood
Denali
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Big Bend and Guadalupe: Coarse Mass Percentiles
Guadalupe Big Bend
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South WUS: Sulfate Percentiles
Tonto Bandelier Petrified F.
Saguaro NM Chiricahua
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Southwest : Sulfate Percentiles
Bryce Canyon Mesa Verde Hopi Point
Weminuche W G Sand Dunes
Canyonlands
White River
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Idaho: Sulfate Percentiles
Sawtooth Crater Moon
Salmon Scoville
Three Sisters
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Bridger, WY
Nevada-Wyoming: Sulfate Percentiles
Jarbidge
Yellowstone
Lone Peak
Brooklyn L
Great Basin
Mt. Zirkel Rocky Mt
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Washington-Oregon: Sulfate Percentiles
Columbia RG Crater Lake
Columbia G. Glacier NP
Sula MT
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San Joaquin Valley: Sulfate Percentiles
Lassen Volcan Death Valley Pinnacles
Bliss StatePark Yosemite
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Mountain Passes and Valleys: Sulfate Percentiles
San Gorgonio Death Valley Sequoia
South Tahoe Snoqualamie
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Western US Coastal Sites: Sulfate Percentiles
Mauna Loa Puget Sound Point Reyes
Haleakala Redwood
Denali
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Big Bend and Guadalupe: Sulfate Percentiles
Guadalupe Big Bend
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South WUS: Fine Soil Percentiles
• Fine dust
Tonto Bandelier Petrified F.
Saguaro NM Chiricahua
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Southwest : Fine Soil Percentiles
• Fine dust
Bryce Canyon Mesa Verde Hopi Point
Weminuche W G Sand Dunes
Canyonlands
White River
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Idaho: Fine Soil Percentiles
• Fine dust
Sawtooth Crater Moon
Salmon Scoville
Three Sisters
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Nevada-Wyoming: Fine Soil Percentiles
• Fine dust
Jarbidge Sawtooth
Yellowstone
Lone Peak Bridger, WY
Brooklyn L
Great Basin
Mt. Zirkel Rocky Mt
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Washington-Oregon: Fine Soil Percentiles
• Fine dust
Columbia RG Crater Lake
Columbia G. Glacier NP
Sula MT
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San Joaquin Valley: Fine Soil Percentiles
• Fine dust
Lassen Volcan Death Valley Pinnacles
Bliss StatePark Yosemite
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Mountain Passes and Valleys: Fine Soil Percentiles
• Fine dust
San Gorgonio Death Valley Sequoia
South Tahoe Snoqualamie
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Western US Coastal Sites: Fine Soil Percentiles
• Fine dust
Mauna Loa Puget Sound Point Reyes
Haleakala Redwood
Denali
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Big Bend and Guadalupe: Fine Soil Percentiles
• Fine dust
Guadalupe Big Bend
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South WUS: Tot. Carbon + 'Unknown' Percentiles
Tonto Bandelier Petrified F.
Saguaro NM Chiricahua
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Southwest : Tot. Carbon + 'Unknown' Percentiles
Bryce Canyon Mesa Verde Hopi Point
Weminuche W G Sand Dunes
Canyonlands
White River
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Idaho: Tot. Carbon + 'Unknown' Percentiles
Sawtooth Crater Moon
Salmon Scoville
Three Sisters
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Bridger, WY
Nevada-WY: Tot. Carbon + 'Unknown' Percentiles
Jarbidge
Yellowstone
Lone Peak
Rocky Mt
Great Basin
Mt. Zirkel
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Washington-OR: Tot. Carbon + 'Unknown' Percentiles
Columbia RG Crater Lake
Columbia G. Glacier NP
Sula MT
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San Joaquin V: Tot. Carbon + 'Unknown' Percentiles
Lassen Volcan Death Valley Pinnacles
Bliss StatePark Yosemite
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Mntn and Val: Tot. Carbon + 'Unknown' Percentiles
San Gorgonio Death Valley Sequoia
South Tahoe Snoqualamie
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WUS Coastal : Tot. Carbon + 'Unknown' Percentiles
Mauna Loa Puget Sound Point Reyes
Haleakala Redwood
Denali
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BigB and Gu: Tot. Carbon + 'Unknown' Percentiles
Guadalupe Big Bend
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South WUS: Smoke Organics Percentiles
Tonto Bandelier Petrified F.
Saguaro NM Chiricahua
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Southwest : Smoke Organics Percentiles
Bryce Canyon Mesa Verde Hopi Point
Weminuche W G Sand Dunes
Canyonlands
White River
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Idaho: Smoke Organics Percentiles
Sawtooth Crater Moon
Salmon Scoville
Three Sisters
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Bridger, WY
Nevada-Wyoming: Smoke Organics Percentiles
Jarbidge
Yellowstone
Lone Peak
Brooklyn L
Great Basin
Mt. Zirkel Rocky Mt
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Washington-Oregon: Smoke Organics Percentiles
Columbia RG Crater Lake
Columbia G. Glacier NP
Sula MT
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San Joaquin Valley: Smoke Organics Percentiles
Lassen Volcan Death Valley Pinnacles
Bliss StatePark Yosemite
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Mntn and Valleys: Smoke Organics Percentiles
San Gorgonio Death Valley Sequoia
South Tahoe Snoqualamie
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WUS Coastal Sites: Smoke Organics Percentiles
Mauna Loa Puget Sound Point Reyes
Haleakala Redwood
Denali
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Big Bend and Guadalu: Smoke Organics Percentiles
Guadalupe Big Bend