Plans to extend to all raw data for whole improve network
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Plans to extend to all raw data for whole IMPROVE network! PowerPoint PPT Presentation


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CATT (Comparative Aerosol Trajectory Tool) CAPITA Web-based Tool for Ensemble Trajectory Analysis, MANE-VU & MW RPO funding support, Currently functional for evaluating 15 PMF & UNMIX Sources at 16 Sites. Plans to extend to all raw data for whole IMPROVE network!

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Plans to extend to all raw data for whole IMPROVE network!

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Plans to extend to all raw data for whole improve network

CATT (Comparative Aerosol Trajectory Tool) CAPITA Web-based Tool for Ensemble Trajectory Analysis, MANE-VU & MW RPO funding support, Currently functional for evaluating 15 PMF & UNMIX Sources at 16 Sites

Plans to extend to all raw data for whole IMPROVE network!

Guess What PMF Source C3 at Acadia is (Hint: Composition is 42% Na)?


Plans to extend to all raw data for whole improve network

Change Sources, Sites, Screens, Dates…

Change Filters

Change Rendering

CATT

< Download Data

Open in ArcView > for additional data analysis & plotting


Plans to extend to all raw data for whole improve network

Residual Oil Sources are found Primarily at Northeastern sites and show Upwind Probability Fields which are “Local” and Strongly Convergent (“Greater NYC” area)

Wood Smoke Sources are Found in All Regions and show Upwind Probability Fields which are Both Local and more Distant and Strongly Divergent (Likely Combinations of RWC & Forest Fires?)


Plans to extend to all raw data for whole improve network

Northern New England Wood Smoke Sources are primarily Local New England and Eastern Canada

NE Wood Smoke influence is primarily Local in Winter (wood stoves) and is more Regional (& Canadian) in Summer (wild fires)


Plans to extend to all raw data for whole improve network

Wood Smoke has different regional origins in NE, MA, SW

Secondary SO4 has common regional origins in NE, MA, SW

NE: ACAD, PMRC, LYBR; MA: WASH, SHEN, JARI; SE: GRSM, MACA


Plans to extend to all raw data for whole improve network

3 Toronto Coal Sources: Primary Coal (no secondaries), (NH4)2SO4 (and little else), Acidic SO4 & Secondary OC

While These 3 “Virtual Source Components” are uncorrelated, they all come predominantly from the same Upwind Region


Plans to extend to all raw data for whole improve network

High Incremental Probability Contours for Secondary Sulfate Sources: Toronto, Ont. (VT DEC UNMIX sources, HY-SPLIT trajectories) Washington DC (Battelle PMF source, extracted from CATT, ArcView)


Plans to extend to all raw data for whole improve network

Upwind Probability Fields, P > 0.001, 9 Sites, extracted from CATT


Plans to extend to all raw data for whole improve network

SO2 Emissions & 9-Site Mean Probability for “2ndary Sulfate Sources”


Plans to extend to all raw data for whole improve network

Ammonium Nitrate at a wide range of Eastern Sites appears to be associated with transport from areas of high agricultural NH3 emissions

From Donna Kenski’s 14-site traj. Analysis

From NADP Precip. Chem.


Plans to extend to all raw data for whole improve network

Toronto Mobile Source influence is predominantly “Local” & Northerly, Coal Sources are predominantly “US Midwest” & Southerly, NH4NO3 is predominantly Westerly, Mixed Near/Far Emissions

However, despite the apparent important influence of agricultural NH3 emissions for highest concentrations of NH4NO3, note that there is also a moderately strong weekday increase in Toronto NO3, suggesting importance of local urban NOx or (I think) local NH3.


Plans to extend to all raw data for whole improve network

Highest Levels of “Crustal or Dust” Sources at several Eastern US sites are consistent with Sahara Dust influences, but…

5-day Trajectories (and limited grid coverage) are not sufficient for identifying Dust origins and only indicate latter part of transport route.


Plans to extend to all raw data for whole improve network

CATT (Comparative Aerosol Trajectory Tool): Future Plans

  • Develop “On-the Fly” Trajectory Gridder to process raw ATAD (& other) Trajectories.

  • Expand Coverage of Aerosol Variables to include all raw Species Data at these sites.

  • Expand Coverage of Measurement Sites to include entire IMPROVE Network.

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