Modeling In-Canopy Dispersion of Pheromones Using a Puff Model

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Description of Model • Lagrangian • Three-dimensional • Instantaneous puff dispersion model • Derived from meandering plume model (Peterson et al., 1990) • Simulates pheromone plume transport and dispersion • Produces output at different temporal scales – Time-averaged pheromone concentrations for the entire domain or at specified receptors – Instantaneous pheromone concentrations at a specified receptor
Puff Release • 1 puff released every 1 s – Advected downwind using sonic data as input • u, v, and w wind components • Spread of puff is assumed Gaussian – Calculated from turbulence data – Isotropic in the horizontal Y Distance (m) X Distance (m) • 30 minute simulation time • Domain – 66 m X 66 m X 10 m – 0.5 m X 0.5 m X 0.5 m (grid size)
Page 1 and 2: Modeling In-Canopy Dispersion of Ph
Page 3: Surrogate Pheromone Transport Studi
Page 7 and 8: Maximum Normalized Concentrations 1
Page 9 and 10: Time Averaged Concentrations and Wi
Page 11 and 12: Time Averaged Concentration Shape P
Page 13 and 14: Lodgepole Pine Canopy
Page 15 and 16: Application ~ Four Sources: Pondero
Page 17 and 18: Application: Threshold Response χ
Page 19 and 20: Distance (m) 60 50 40 30 20 10 10 2
Page 21: Acknowledgements: People . The auth
Page 24: • To determine if SF 6 is a suita

Modeling In-Canopy Dispersion of Pheromones Using a Puff Model

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