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Modeling Study of Diurnally Varying Convective Boundary Layer and Dust Transport over Desert Regions

机译：沙漠地区对流边界层日变化和粉尘迁移的模型研究

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References(13) Cited-By(1) Supplementary materials(1) High-resolution simulations on the vertical transport of dust in a fair-weather condition over desert regions are performed with a cloud-resolving modeling approach. Basic processes relevant to the dust transport are examined by focusing on the role of boundary-layer and cloud convection. Although the model settings are simplified, the simulation well reproduces the diurnal variability of fair-weather convective boundary layer and cloud development observed over a Chinese desert. Dry convective motion within the boundary layer and moist convection above the boundary layer play a significant role in regulating the vertical mixing and transport of dust in the atmosphere, and in enhancing the surface winds and thus the dust emission by the downward transport of high momentum in upper levels. The present modeling framework is useful in understanding the small-scale effects on the vertical dust transport associated with boundary-layer convection and cloud convection in a fair-weather environment.
机译：参考文献（13）被引用的依据（1）补充材料（1）使用云解析建模方法对沙漠地区在公平天气条件下尘埃的垂直传输进行高分辨率模拟。通过关注边界层和云对流的作用，研究了与粉尘输送有关的基本过程。尽管简化了模型设置，但模拟很好地再现了在中国沙漠上观测到的晴天对流边界层的日变化和云的发展。边界层内的干对流运动和边界层上方的湿对流在调节粉尘在大气中的垂直混合和输送，增强表面风以及通过高动量的向下输送而增强粉尘排放方面起着重要作用。高层。本建模框架可用于了解在晴天环境中与边界层对流和云对流相关的垂直尘埃迁移的小规模影响。

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