Avoid a challenge to your air permit - choose the right off-site meteorological data, presented at EUEC 2010

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Courtesy of Trinity Consultants

Modeling Requires Many Inputs

  • To set the stage, you need:
    • Elevation data
    • Fence lines
    • Receptor grids
    • Building locations
    • Building dimensions
    • Stack coordinates
    • Stack heights
    • Stack diameters
    • Exit temperatures
    • Exit velocities
    • Volume source parameters
    • Area source parameters
    • Emission rates
  • But to get it all moving (transporting/dispersing the emissions from a single point), you need… Meteorological (Met) Data

What Is Meteorological Data?

  • Records of measurements and calculations (usually hourly) performed at a met station
    • Wind speed and direction
    • Temperature
    • Friction velocity
    • Convective velocity scale
    • Mechanical mixing height
    • Monin-Obukhov length
    • And others…

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