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PAMS Data Analysis Workbook

  • Introduction: Workshop on Analysis of PAMS Data (PDF) (662k)
    • workshop objectives
    • PAMS overview
    • examples of why PAMS data analyses are important
    • technical approach and introduction to workshop and workbook
    • example flow chart for PAMS data analyses
    • assumptions and limitations
    • references/bibliography
  • Data Validation (PDF) (574k)
    • introduction: why is data validation important?
    • data validation objectives
    • data validation definitions
    • example quality control flags
    • AIRS null data reason codes
    • general data validation procedures
    • examples of problems encountered in databases (and validation actions)
    • data validation examples for routine air quality and meteorological measurements
    • data validation summary
    • references/bibliography
  • Data Analysis Techniques Using Hydrocarbon and Carbonyl Compounds (PDF) (729k)
    • definitions
    • 1996 list of PAMS target volatile organic compounds
    • VOC data retrieval from AIRS
    • importance of VOC data validation
    • validation tasks, procedures, tips and tricks
    • VOC data validation examples
    • example validation tool: VOCDat
    • spatial and temporal characteristics of VOCs
    • VOC data validation summary
    • references/bibliography
  • Biogenic Emissions: VOC and NOx (PDF) (382k)
    • compounds identified as emitted from plant species
    • important vegetation for biogenic emissions
    • isoprene as a biogenic surrogate
    • land use coverage by emission category: VOC and NOx
    • relationship of biogenic emissions with temperature and sunlight
    • example isoprene data analyses
    • biogenic emission research topics
    • biogenic emission summary
    • references/bibliography
  • Assessing Ozone Formation Potential (PDF) (119k)
    • introduction
    • ozone formation potential assessment techniques
    • NMOC/NOx and NMOC/NOy ratios
    • Ratio analysis along a transport path
    • reactivity of hydrocarbons
    • Carter's 1994 maximum incremental reactivity values
    • examples of reactivity assessment
    • relative age of hydrocarbon mixture
    • ozone formation potential summary
    • references/bibliography
  • Evaluation of Emission Inventories (PDF) (536k)
    • objective
    • definitions
    • introduction
    • approach
    • ambient data and emission inventory issues
    • emission inventory processing software
    • emission inventory analyses
    • case studies: comparing emission inventories and ambient data
    • uncertainty issues: emission inventory, ambient data, comparison-related
    • emission inventory evaluation summary
    • references/bibliography
  • Receptor Modeling (PDF) (1.1 MB)
    • definitions
    • model types
    • model limitations
    • "simple" analyses
    • multivariate analyses overview
    • key hydrocarbon species
    • cluster analysis example
    • factor analysis example
    • GRACE/SAFER example
    • Chemical Mass Balance Model (CMB)
    • CMB assumptions
    • CMB application and protocol
    • CMB modeling tips
    • selecting source profiles and estimating uncertainty
    • selecting fitting species
    • CMB8.0
    • model performance goals
    • application examples
    • receptor modeling summary
    • references/bibliography
    • tables of conversion factors for CMB and photochemical half lives of PAMS VOC
  • Comparison of Urban Airshed Model (UAM) Results with Ambient Air Quality Data (PDF) (311k)
    • definitions
    • introduction
    • the urban airshed model (UAM)
    • evaluating UAM performance using surface air quality data
    • example graphical displays
    • statistical parameters for model performance evaluation
    • comparison of UAM results with aloft air quality data
    • air quality at regional boundaries
    • UAM/ambient air quality summary
    • references/bibliography
  • The Relationships Between NOx, NOy and Ozone (PDF) (4.0 MB)
    • introduction
    • monitoring issues
    • definitions
    • analyses using NOx, NOy, and ozone data
    • correlation methods
    • indicator methods
    • observational-based modeling: MAPPER/SPA
    • smog production algorithms
    • example application
    • other techniques
    • summary
    • references/bibliography
  • Upper-Air Data Validation and Applications (PDF) (8.1 MB)
    • definitions
    • upper-air data
    • upper-air instruments
    • validation of upper-air data
    • common problems encountered in upper-air data - discussion
    • examples of upper-air data problems
    • mixing depth estimates using radar profiler data
    • radar profiler reflectivity, Cn2
    • boundary layer structure and evolution
    • isentropic analysis
    • trajectory analysis of surface and aloft transport
    • ventilation and recirculation analyses
    • upper-air data summary
    • references/bibliography
  • Trend Analyses (PDF) (705k)
    • objectives and trend analysis procedures
    • selecting an indicator
    • adjusting for meteorological variability
    • meteorological variables potentially associated with ozone from classification methods
    • number of days above 90 F
    • Cox and Chu trend analysis method
    • Rao and Zurbenko trend analysis method
    • detecting trends
    • ambient air quality trends
    • ozone precursor trends
    • ozone precursor emission trends
    • trend analysis summary
    • references/bibliography
  • Pollutant Transport Analyses (PDF) (5.8 MB)
    • definitions
    • pollutant transport analyses
    • useful data for 3-dimensional analyses
    • pollutant transport issues
    • approaches to quantifying transport
    • boundary layer structure and evolution
    • case studies
    • isentropic analyses
    • ventilation and recirculation
    • trajectory analyses
    • other tasks for case study analyses
    • other available data
    • pollutant transport summary
    • references/bibliography
  • Workshop Summary (PDF) (51k)
    • overview
    • PAMS data meet a wide range of objectives
    • example flow chart for PAMS data analyses
    • analysis tools are available
    • compare results from different methods (achieve consensus)
    • PAMS data analysis and assessment matrix

 

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