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The effect of submeso motions on second-order moment budgets in the stable atmospheric boundary layer
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SYSNO ASEP 0523868 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title The effect of submeso motions on second-order moment budgets in the stable atmospheric boundary layer Author(s) Schiavon, M. (IT)
Tampieri, F. (IT)
Caggio, M. (IT)
Bodnár, Tomáš (MU-W) RID, SAI, ORCIDSource Title Proceedings of Topical Problems of Fluid Mechanics 2020. - Praha : Institute of Thermomechanics of the Czech Academy of Sciences, 2020 / Šimurda D. ; Bodnár T. - ISSN 2336-5781 - ISBN 978-80-87012-74-1 Pages s. 192-199 Number of pages 8 s. Publication form Print - P Action Topical Problems of Fluid Mechanics 2020 Event date 19.02.2020 - 21.02.2020 VEvent location Prague Country CZ - Czech Republic Event type WRD Language eng - English Country CZ - Czech Republic Keywords submeso motions ; pressure redistribution ; second-order moment equations Subject RIV BA - General Mathematics OECD category Pure mathematics R&D Projects GA19-04243S GA ČR - Czech Science Foundation (CSF) Institutional support MU-W - RVO:67985840 UT WOS 000853389000025 DOI https://doi.org/10.14311/TPFM.2020.025 Annotation The effect of submeso motions on small-scale turbulence is studied considering the budget of the vertical flux of stream-wise momentum, ⟨uw⟩, in the atmospheric stable boundary layer (SBL). A parameter expressing the strength of the submeso effect is defined, and the budget is evaluated from observations both for small and large submeso effect. It results that submeso motions affect the efficiency of the vertical transport by small-scale turbulence, having implications on the terms composing the momentum flux budget and on its corresponding closures. Workplace Mathematical Institute Contact Jarmila Štruncová, struncova@math.cas.cz, library@math.cas.cz, Tel.: 222 090 757 Year of Publishing 2021 Electronic address https://doi.org/10.14311/TPFM.2020.025
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