Odour Dispersion modelling course in Santiago, Chile

calpuff course   The organizers of OLORES19 Conference invite you to take advantage of the attendance of the expert in odour modelling Jennifer Barclay to the event in Santiago, Chile, to help organizing a course conducted by this member of the team that developed CALPUFF.

   This 1 day introductory course will be held at the office of TSG Environmental in Santiago, Europa 2066 Providencia; this specific course will be held the 25th November 2019, one day before the OLORES19 event. If you are interested in attending, register as soon as possible, as the places are limited. The course will be provided entirely in English.You can download the program here.

   Dispersion modelling is a key management tool for quantifying and assessing odour impact. Models can predict quantitative air quality impacts over a wide geographical area, they can evaluate proposed future sources, can help optimize source layout and site selection for new facilities. Models can be used to design buffer zones and fence line locations.

   This 1 day introductory course will give you an overview of regulatory models, highlighting their strengths and weaknesses. Key model inputs such as meteorology, emission rates and correct source characterisation will be discussed as well as presentation and interpretation of modelling results. Check the program of the conference here below or download it here:

   Monday, November 25: Morning


  1.   Introduction to Odour Modelling
    1. Why Conduct Air Modelling
    2. Regulatory Models for Odour
    3. Latest Regulatory Status of Odour Models
  1. Introduction to CALPUFF and AERMOD Modelling Systems’
    1. Puff vs. Plume Models for Odour
    2. Steady State vs. Non Steady State Conditions
    3. Differences Between Regulatory Modelling for Gases vs. Regulatory Modelling for Odour
    4. Complex Flows
      1. Terrain
      2. Coastal Regions / Land-Water Boundaries
      3. Overwater Transport
      4. In homogenous Dispersion Conditions
      5. Stagnation, Flow Reversals, Recirculation
      6. Problems with AERMOD for Modelling Odour
  1. Introduction to Meteorology and Meteorological Modelling
    1. When to Use Prognostic Models (WRF, MM5, TAPM)
    2. Observations
    3. 3D Diagnostic Meteorological Model (CALMET)
    4. 2D Meteorological Data (AERMET)
    5. Light winds, CALMS, Stagnant Conditions

   Monday, November 25: Afternoon


  1. Model Switches Introduction
    1. Building downwash
    2. Stack tip effects
    3. Dispersion coefficients
  2. Odour Measurements for Modelling
    1. Odour Units and Odour Concentration
    2. Olfactometry Measurement
    3. Odour Intensity
    4. Hedonic Tone and Offensiveness
    5. FIDOL, The Community, Managing Complaints
  1. Odour Industries
    1. Emissions
      1. Piggeries,
      2. Broiler and Egg Layer Farms
      3. Pulp and Paper Mill
      4. Waste Water Treatment Plants
      5. Composting and Fertilizer
      6. Industrial centers
    2. Source Types – Points, Areas and Volume
      1. How to Identify Source Types for Modelling
    3. Fugitive Sources
    4.   Variable Emission Files
  2. Interpretation of Modelled Odour Results
    1. Odour Inputs and Odour Output
    2. Intensity of Odour and Logarithmic Relationship
    3. Adjustments for sub hourly guidelines
    4. Percentiles
    5. Peak to Mean Ratios

   Course Fee: 220 € / 7 UF

   Registration before: 24 November 2019. Register here

   Location: TSG Environmental offices, Europa 2066 Providencia, Santiago.

   5 years ago, a similar course was organized in Santiago, Chile, as a pre-conference workshop of the II International Conference about Odours hosted by this website, Olores.org. In that case, the course was an “Introduction to Odour Modelling” and within days, there were no places left. So hurry up to grab your place!

   Jenny Barclay, Director and Principal Scientist of the company Atmospheric Science Global, has more than 26 years’ experience in advanced meteorological studies and atmospheric dispersion modelling on all types of steady-state, non-steady state, particle, Eulerian and prognostic models.

   Jenny was considered the ‘Odour Expert’ of the Atmospheric Studies Group (Developers of the CALPUFF model), where she was a key member for more than 15 years.

   For more info, contact the organization here or stay tuned to this website.


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