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TECHNICAL ADVANCES IN MODELING AERIALLY APPLIED SPRAYS
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2003
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EngineeringEnvironmental MonitoringForest HydrologyFluid MechanicsPrecision Crop ProtectionCanopy MicrometeorologyLatest RefinementsEarth ScienceEcological SimulationNumerical SimulationComputational EngineModeling And SimulationForest MeteorologyThermal Spray CoatingHydrologyAerospace EngineeringSoil ModelingSpray Drift ModelsAerodynamics
Since the 1989 publication of the original modeling approaches assembled into AGDISP, significant advanceshave been made in the development and validation of spray drift models. The latest version of AGDISP (version 8.08) nowembodies the latest refinements to the computational engine first developed for NASA, improved by the USDA Forest Service,and implemented by the Spray Drift Task Force and the U.S. Environmental Protection Agency into a regulatory version. Thisarticle updates the previous summary of AGDISP, builds on a recent publication summarizing the regulatory version of themodel, and includes the most recent modeling additions of atmospheric stability effects, vortical decay, simple terrainfeatures, plant canopy, riparian barriers, and the aerial release of dry materials.