Pesticide application is a short-term pollution episode with
possible near and far field effects. These pollution episodes often
occur under stable atmosphere with relatively weak dynamics
conditions of light winds, little or no precipitation, and moderate to
shallow mixing depths. In such weakly forced situation, turbulent
motions may be of the same order as wind speed (Cui et al., 2011),
resulting in reduced transport and atmospheric dilution (i.e., higher
near-field air concentrations).
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