Articles | Volume 19
Adv. Sci. Res., 19, 117–136, 2022
https://doi.org/10.5194/asr-19-117-2022
Adv. Sci. Res., 19, 117–136, 2022
https://doi.org/10.5194/asr-19-117-2022
 
25 Oct 2022
25 Oct 2022

Exploring stratification effects in stable Ekman boundary layers using a stochastic one-dimensional turbulence model

Marten Klein and Heiko Schmidt

Cited articles

Ansorge, C. and Mellado, J. P.: Global intermittency and collapsing turbulence in the stratified atmospheric boundary layer, Bound.-Lay. Meteorol., 153, 89–116, https://doi.org/10.1007/s10546-014-9941-3, 2014. a, b, c, d, e, f, g, h, i, j, k, l, m, n, o, p, q, r, s, t
Ansorge, C. and Mellado, J. P.: Analyses of external and global intermittency in the surface layer of Ekman flow, J. Fluid Mech., 805, 611–635, https://doi.org/10.1017/jfm.2016.534, 2016. a, b, c
Ashkenazy, Y., Gildor, H., and Bel, G.: The effect of stochastic wind on the infinite depth Ekman layer model, Europhys. Lett., 111, 39001, https://doi.org/10.1209/0295-5075/111/39001, 2015. a
Boyko, V. and Vercauteren, N.: Multiscale shear forcing of turbulence in the nocturnal boundary layer: a statistical analysis, Bound.-Lay. Meteorol., 179, 43–72, https://doi.org/10.1007/s10546-020-00583-0, 2021. a
BYUignite: ODT, GitHub [code], https://github.com/BYUignite/ODT, last access: 14 July 2020. a
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Short summary
We study the flow in the lower atmosphere in response to a sudden surface cooling. Our numerical approach aims to resolve all relevant scales of the flow but only along a vertical column. Complex turbulent motions are modeled by simple random mappings. We show that the numerical model accurately captures some relevant features of near-surface turbulent winds and temperature fluctuations. The model offers new opportunities for atmospheric chemistry and polar boundary layer application cases.