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Simulated Regional PM10 Dispersion from Agricultural Tilling Operations Using HYSPLIT

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Transactions of the ASABE. 54(5): 1659-1667. (doi: 10.13031/2013.39855) @2011
Authors:   J. Wang, T. W. Sammis, D. R. Miller, A. L. Hiscox, D. Granucci, B. Holmén, J. Kasumba, M. K. Shukla, S. O. Dennis, X. Zhang
Keywords:   Agricultural operation, HYSPLIT, PM10, Regional, Simulation, Tilling

Particulate matter (PM) of aerodynamic diameter less than or equal to 10 m (PM10) is regulated by the U.S. Environmental Protection Agency (EPA) as part of the National Ambient Air Quality Standards (NAAQS). This article reports on the calibration and evaluation of the HYSPLIT (Hybrid Single-Particle Lagrangian Integrated Trajectory) version 4.9 model to simulate regional dust dispersion from a disking operation. Disking operations in a cotton field in Las Cruces, New Mexico, were conducted, and boundary layer PM10 concentrations were sampled using a DustTrak sampler on an airplane flown at altitudes between 200 and 500 m and several kilometers downwind. Using North American Mesoscale (NAM) forecast meteorological data (NAM12km, 12 km resolution) with vertical profiles, the model is capable of reasonably simulating regional PM10 dispersion (simulated data = 1.048 measured data with R2 = 0.85).

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