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AERMOD Modeling System Photo: Ralph Turcotte presentation by: Larry L. Simmons May 23, 2006.

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Presentation on theme: "AERMOD Modeling System Photo: Ralph Turcotte presentation by: Larry L. Simmons May 23, 2006."— Presentation transcript:

1 AERMOD Modeling System Photo: Ralph Turcotte presentation by: Larry L. Simmons May 23, 2006

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5 Implementation Schedule

6 Why AERMOD ? AERMOD implements a sophisticated terrain impact solution that eliminates the need for simple, intermediate and complex terrain receptor post-processing AERMOD implements a sophisticated terrain impact solution that eliminates the need for simple, intermediate and complex terrain receptor post-processing AERMOD implements the PRIME building downwash procedure as its default downwash configuration AERMOD implements the PRIME building downwash procedure as its default downwash configuration

7 What is AERMOD System ?  AERMAP – Terrain processor for receptor definition  AERMET – Meteorological Data Processor  AERMOD – Full Dispersion Model  AERSCREEN – Screening Model

8 AERMAP  Utilizes USGS 7.5 Minute DEM files  Calculates an elevation for each receptor  Calculates a terrain streamline function for each receptor

9 Example Terrain Problem

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11 Example Receptor File

12 AERMET – Tower Data

13 AERMET – SODAR Data

14 AERSURFACE – Example

15 AERMET – Profile

16 My Experience with AERMOD  Reduces Short - Term Property Line / Fence Line impacts from 0 to 30 percent  Increases Long – Term Property Line / Fence Line impacts from 0 to 15 percent  Reduces elevated terrain receptor impacts significantly

17 Further Development  AERSURFACE release to public this spring  AERSCREEN release to public this spring  Debug – Debug – Debug


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