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DOI | 10.1175/JAS-D-19-0023.1 |
An Idealized Description for the Diurnal Cycle of the Dry Atmospheric Boundary Layer | |
Antoon van Hooft, J.1; Baas, Peter1; van Tiggelen, Maurice2; Ansorge, Cedrick3; van de Wiel, Bas J. H.1 | |
2019-12-01 | |
发表期刊 | JOURNAL OF THE ATMOSPHERIC SCIENCES
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ISSN | 0022-4928 |
EISSN | 1520-0469 |
出版年 | 2019 |
卷号 | 76期号:12页码:3717-3736 |
文章类型 | Article |
语种 | 英语 |
国家 | Netherlands; Germany |
英文摘要 | We present a conceptual model for the diurnal cycle of the dry atmospheric boundary layer (ABL). It may serve as a framework for future numerical studies on the transitional dynamics that characterize the ABL over land. The conceptual model enables us to define expressions for relevant physical scales as a function of the most prominent forcing parameters and the low degree of complexity facilitates a dimensionless description. This is useful to help generalize boundary layer dynamics that occur on a diurnal time scale. Further, the model's application for numerical studies is illustrated herein with two examples: a single-column-model study that assesses the effect of wind forcing on the main characteristics of the diurnal cycle, and a large-eddy-simulation study on the daily evolution of turbulence under weak-wind-forcing conditions. The results from these studies sketch the general evolution of the present set of diurnal-cycle systems in more detail. We discuss how the setups are able to reproduce well-known dynamical features of the ABL and also highlight limitations, where the simple conceptual system is unable to describe realistic ABL behavior. We conclude that the present conceptual model has an interesting balance between model-system complexity and physical realism, such that it is useful for future idealized studies on the diurnal cycle of the ABL. |
英文关键词 | Atmosphere-land interaction Boundary layer Boundary conditions Large eddy simulations Single column models Diurnal effects |
领域 | 地球科学 |
收录类别 | SCI-E |
WOS记录号 | WOS:000497730200002 |
WOS关键词 | LARGE-EDDY-SIMULATION ; MORNING TRANSITION ; TURBULENCE ; MODEL ; SHEAR ; ENTRAINMENT ; LAND ; CONVECTION ; AFTERNOON ; DECAY |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/226003 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Delft Univ Technol, Fac Civil Engn & Geosci, Dept Geosci & Remote Sensing, Delft, Netherlands; 2.Univ Utrecht, Inst Marine & Atmospher Res, Utrecht, Netherlands; 3.Univ Cologne, Inst Geophys & Meteorol, Cologne, Germany |
推荐引用方式 GB/T 7714 | Antoon van Hooft, J.,Baas, Peter,van Tiggelen, Maurice,et al. An Idealized Description for the Diurnal Cycle of the Dry Atmospheric Boundary Layer[J]. JOURNAL OF THE ATMOSPHERIC SCIENCES,2019,76(12):3717-3736. |
APA | Antoon van Hooft, J.,Baas, Peter,van Tiggelen, Maurice,Ansorge, Cedrick,&van de Wiel, Bas J. H..(2019).An Idealized Description for the Diurnal Cycle of the Dry Atmospheric Boundary Layer.JOURNAL OF THE ATMOSPHERIC SCIENCES,76(12),3717-3736. |
MLA | Antoon van Hooft, J.,et al."An Idealized Description for the Diurnal Cycle of the Dry Atmospheric Boundary Layer".JOURNAL OF THE ATMOSPHERIC SCIENCES 76.12(2019):3717-3736. |
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