The Silsoe Spray Drift Model: A model of spray drift for the assessment of non-target exposures to pesticides

被引：44
作者：
Ellis, M. C. Butler [1 ]
Miller, P. C. H. [1 ]
机构：
[1] Arable Grp, Silsoe Spray Applicat Unit, Bedford MK45 4HP, England
来源：
BIOSYSTEMS ENGINEERING | 2010年 / 107卷 / 03期
关键词：
GROUND BOOM SPRAYERS; RANDOM-WALK MODEL; SIMULATION-MODEL; AERIAL SPRAY; AIR; DISPERSION; TURBULENCE; NOZZLES;
D O I：
10.1016/j.biosystemseng.2010.09.003
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
A computer model of spray drift was developed, from an earlier particle-tracking model (Miller and Hadfield, 1989), which can be used to predict non-target exposures to pesticides. The extended model includes the effects of multiple nozzles on a boom and a forward speed so that it is better able to simulate application conditions appropriate to current field practice, particularly in the UK. The model was specifically developed for improving estimates of bystander dermal and inhaled spray drift exposure. It was validated against three experimental datasets of downwind airborne spray and ground deposit for FF110/1.2/3.0 conventional flat-fan nozzles spraying over either short grass or 0.65 m tall wheat crop. The model showed good agreement with measurements, but future work is required to validate the model against other nozzle designs. (C) 2010 IAgrE. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：169 / 177
页数：9
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