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Workshop Summary

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 PAMS DATA CAN BE USED TO MEET A WIDE RANGE OF OBJECTIVES

  • Identify when and where ozone precursor concentrations are high.
  • Quantify relative contributions of individual species to precursor concentrations and reactivity.
  • Identify when and where ozone concentrations are high.
  • Determine source contributions.
  • Evaluate emission inventories.
  • Provide data for model inputs.
  • Evaluate model results.
  • Identify and characterize important meteorological phenomena.
  • Estimate response to precursor control.
  • Quantify pollutant fluxes into and out of a region.

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  Example Flow Chart for PAMS Data Analyses  

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Available Analysis Tools

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COMPARE RESULTS FROM DIFFERENT METHODS (ACHIEVE CONSENSUS)

 OZONE FORMATION POTENTIAL

Which species are most important for ozone accumulation?

Is the system VOC-limited or NOx-limited?

Reactivity

  • MIR
  • Spatial and temporal issues

Age of Air Parcel

  • VOC species ratios
  • Ozone, N-species relationships
  • Spatial and temporal issues

Indicator Relationships

  • NMHC/NOx
  • Ozone, N-species relationships
  • Observation-Driven Methods, other methods
  • Spatial and temporal issues

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EMISSION INVENTORY EVALUATION

Ambient Data

  • NMHC/NOx
  • NMHC species fractions
  • NMHC species group fractions
  • CO/NOx
  • Spatial and temporal issues

Receptor Modeling

  • Source contribution estimates (relative and absolute)
  • Diurnal patterns
  • Spatial and temporal issues

Multivariate Methods

  • Source-type identification
  • Source contribution relationships
  • Spatial and temporal issues

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 TRENDS

Ozone Trends

  • Alternative indicators
  • Various meteorological adjustments
  • Spatial and temporal issues

Precursor Trends

  • NMHC
  • Individual species
  • Alternative indicators
  • Various meteorological adjustments
  • Spatial and temporal issues

Emission Inventory Trends

  • NMHC
  • Individual species
  • NOx
  • Spatial and temporal issues

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PAMS Data Analysis and Assessment Matrix

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PAMS DATA CAN BE USED TO MEET A WIDE RANGE OF OBJECTIVES

 

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