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Analysis of the turbulence parameterisations for the atmospheric surface layer
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SYSNO ASEP 0499855 Document Type C - Proceedings Paper (int. conf.) R&D Document Type Conference Paper Title Analysis of the turbulence parameterisations for the atmospheric surface layer Author(s) Caggio, Matteo (MU-W) SAI, RID
Bodnár, Tomáš (MU-W) RID, SAI, ORCIDSource Title Topical Problems of Fluid Mechanics 2018. - Praha : Institue of Thermomechanics AS CR, 2018 / Šimurda D. ; Bodnár T. - ISSN 2336-5781 - ISBN 978-80-87012-65-9 Pages s. 31-38 Number of pages 8 s. Publication form Print - P Action Conference TOPICAL PROBLEMS OF FLUID MECHANICS 2018 Event date 21.02.2018 - 23.02.2018 VEvent location Praha Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords atmospheric boundary layer ; Monin-Obukhov similarity theory ; turbulence parameterisations ; strong strati cation Subject RIV BA - General Mathematics OECD category Applied mathematics R&D Projects GA16-03230S GA ČR - Czech Science Foundation (CSF) Institutional support MU-W - RVO:67985840 UT WOS 000457661300005 DOI 10.14311/TPFM.2018.005 Annotation The purpose of this short communication is to present a method that aims to express the turbulent variables in the atmospheric surface-layer in function of the stability of the atmosphere. The case of very stable conditions (strong strati cation), where theoretical approaches provide conflicting results (see Luhar et al. [11]), is analysed in detail to provide some insight into the limits of applicability for some of the most popular models of turbulence. The problem of the existence of the critical flux Richardson number is also taken into account. Workplace Mathematical Institute Contact Jarmila Štruncová, struncova@math.cas.cz, library@math.cas.cz, Tel.: 222 090 757 Year of Publishing 2019
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