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Calibration of the ISC-PRIME Model for Odor Dispersion
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: Paper number 064136, 2006 ASAE Annual Meeting . @2006
Authors: Guoliang Qu, Dave Scott, Juan C. Segura, John J.R. Feddes
Keywords: Odor, dispersion, model, calibration, ISC-PRIME, weather stability, P-G, Momin-Obukhov Length, solar radiation
A odor sniffer panel consisting of eight well trained persons was assigned downwind form the emission sources during early morning and evening to collect the field data for the calibration of an ISC-PRIME dispersion model. Although the trend of odor intensity measured by odor sniffers in the field and the one predicted with the ISC-PRIME model were similar, the measured odor intensity is 1 to 2 magnitude orders less than that predicted. The emission modification factor (EMF) was adapted to close the gap between the observed and predicted data. Statistical analysis was conducted to correlate the EMF factor with the wind speed and weather stability. The 6-class P-G stability parameter, Momin-Obukhov Length, and solar radiation were used to represent the weather stability. The EMF was found to have a linear relationship with the wind speed. However, the relationship between the EMF and any stability parameters was not significant.