Study of the overturning length scales at the Spanish planetary boundary layer

Study of the overturning length scales at the Spanish planetary boundary layer

The focus of this paper is to analyse the behaviour of the maximum Thorpe displacement (<i>d</i><sub>T</sub>)<sub>max</sub> and the Thorpe scale <i>L</i><sub>T</sub> at the atmospheric boundary layer (ABL), extending previous research with...

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Main Authors: P. López, J. L. Cano
Format: Article
Language:English
Published: Copernicus Publications 2016-03-01
Series:Nonlinear Processes in Geophysics
Online Access:http://www.nonlin-processes-geophys.net/23/75/2016/npg-23-75-2016.pdf
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spelling doaj-48dcdfc22967462e93450646f51abe162020-11-24T22:43:12ZengCopernicus PublicationsNonlinear Processes in Geophysics1023-58091607-79462016-03-01232758210.5194/npg-23-75-2016Study of the overturning length scales at the Spanish planetary boundary layerP. López0J. L. Cano1Applied Mathematics Dpt. (Biomathematics), Complutense University of Madrid, Madrid, SpainAstronomy, Astrophysical and Atmospheric Science Dpt., Complutense University of Madrid, Madrid, SpainThe focus of this paper is to analyse the behaviour of the maximum Thorpe displacement (<i>d</i><sub>T</sub>)<sub>max</sub> and the Thorpe scale <i>L</i><sub>T</sub> at the atmospheric boundary layer (ABL), extending previous research with new data and improving our studies related to the novel use of the Thorpe method applied to ABL. The maximum Thorpe displacements vary between −900 and 950 m for the different field campaigns. The Thorpe scale <i>L</i><sub>T</sub> ranges between 0.2 and 680 m for the different data sets which cover different stratified mixing conditions (turbulence shear-driven and convective regions). We analyse the relationship between (<i>d</i><sub>T</sub>)<sub>max</sub> and the Thorpe scale <i>L</i><sub>T</sub> and we deduce that they verify a power law. We also deduce that there is a difference in exponents of the power laws for convective conditions and shear-driven conditions. These different power laws could identify overturns created under different mechanisms.http://www.nonlin-processes-geophys.net/23/75/2016/npg-23-75-2016.pdf
collection DOAJ
language English
format Article
sources DOAJ
author P. López
J. L. Cano
spellingShingle P. López
J. L. Cano
Study of the overturning length scales at the Spanish planetary boundary layer
Nonlinear Processes in Geophysics
author_facet P. López
J. L. Cano
author_sort P. López
title Study of the overturning length scales at the Spanish planetary boundary layer
title_short Study of the overturning length scales at the Spanish planetary boundary layer
title_full Study of the overturning length scales at the Spanish planetary boundary layer
title_fullStr Study of the overturning length scales at the Spanish planetary boundary layer
title_full_unstemmed Study of the overturning length scales at the Spanish planetary boundary layer
title_sort study of the overturning length scales at the spanish planetary boundary layer
publisher Copernicus Publications
series Nonlinear Processes in Geophysics
issn 1023-5809
1607-7946
publishDate 2016-03-01
description The focus of this paper is to analyse the behaviour of the maximum Thorpe displacement (<i>d</i><sub>T</sub>)<sub>max</sub> and the Thorpe scale <i>L</i><sub>T</sub> at the atmospheric boundary layer (ABL), extending previous research with new data and improving our studies related to the novel use of the Thorpe method applied to ABL. The maximum Thorpe displacements vary between −900 and 950 m for the different field campaigns. The Thorpe scale <i>L</i><sub>T</sub> ranges between 0.2 and 680 m for the different data sets which cover different stratified mixing conditions (turbulence shear-driven and convective regions). We analyse the relationship between (<i>d</i><sub>T</sub>)<sub>max</sub> and the Thorpe scale <i>L</i><sub>T</sub> and we deduce that they verify a power law. We also deduce that there is a difference in exponents of the power laws for convective conditions and shear-driven conditions. These different power laws could identify overturns created under different mechanisms.
url http://www.nonlin-processes-geophys.net/23/75/2016/npg-23-75-2016.pdf
work_keys_str_mv AT plopez studyoftheoverturninglengthscalesatthespanishplanetaryboundarylayer
AT jlcano studyoftheoverturninglengthscalesatthespanishplanetaryboundarylayer
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