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滴水和大气分散漂移 (DAD-drift) 模型 - 一种模块化方法,用于在景观尺度上估计喷雾漂移

Mike Devin Fuchs¹, Sebastian Gebler², Andreas Lorke³

¹BASF SE, Exposure Modelling, Speyerer Straße 2, 67117, Limburgerhof, Germany; Institute for Environmental Sciences, University of Kaiserslautern-Landau, Forststraße 7, 76829, Landau, in der Pfalz, Germany.

Environmental research

|February 13, 2025

概括

一个新的模型,滴滴和大气分散漂移 (DAD-drift),准确地预测了从地面应用到景观规模的农药喷雾漂移. 这种工具考虑了环境因素和应用特点,减少了昂贵的实地实验的需要.

科学领域:

环境科学环境科学
农业工程农业工程
大气科学大气科学

背景情况:

喷雾漂移,农药的非目标运动,是复杂的,受到许多因素的影响.
喷雾漂移的实地实验是昂贵的,这增加了可靠建模的重要性.
现有的模型主要集中在空中和地面应用后的现场规模沉积.

研究的目的:

开发和评估一种新型模型,用于预测景观规模的地面应用中的喷雾漂移沉积.
整合机械滴滴,微气象和高斯扩散模型以提高准确性.
评估模型在各种环境条件和喷雾喷嘴类型中的性能.

主要方法:

开发了滴水和大气分散漂移 (DAD-drift) 模型,结合了机械滴水,微气象和3D高斯扩散组件.
在二维倾斜羽毛的方法上进行了代,以实现景观规模的预测.
验证了DAD漂移模型与两个实地试验研究,涵盖了各种环境条件和喷雾喷嘴.

主要成果:

模型预测与观察到的喷雾漂移数据非常一致 (R2 = 0.931,RSR = 0.260).
DAD漂移模型在广泛的环境条件和喷嘴类型 (细到超粗) 中显示出适用性.
灵敏度分析确定了液滴大小分布,弹高度,温度,风速和大气流作为关键影响因素.

结论:

DAD-drift模型提供了一个强大而准确的工具,用于预测地面应用中的景观规模喷雾漂移.
该模型能够考虑环境和应用特征,从而提高其实际效用.
这些发现突出了减轻喷雾漂移和提高应用效率的关键因素.

关键词:

大气分散的分散是大气分散.勃发展的应用程序滴滴蒸发的蒸发方式景观的规模景观的规模杀虫剂沉积物是杀虫剂的沉积物.喷雾漂流式的喷雾方式

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