A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models

Detalhes bibliográficos
Autor(a) principal: Moreira,Davidson Martins
Data de Publicação: 2002
Outros Autores: Carvalho,Jonas da Costa, Goulart,Antônio Gledson, Rizza,Umberto, Mangia,Cristina
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Revista Brasileira de Geofísica (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-261X2002000200003
Resumo: An Eulerian model and a Lagrangian particle model are used to study the dispersion of a contaminant released from a low height source in the Stable Boundary Layer (SBL). The Eulerian model is based on the solution of the advection-diffusion equation by the Laplace transform technique. The Lagrangian model is based on a generalized form of the Langevin equation. Turbulence inputs are parameterised according to two procedures capable of generating continuous values in all stability conditions and in all heights of Planetary Boundary Layer (PBL). Statistical indices were calculated to compare the predicted and observed values of ground-level concentration. According to the statistical analysis, predicted concentration values agree well with the observed ones.
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spelling A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian modelsTurbulent parameterisationLagrangian modelEulerian modelAn Eulerian model and a Lagrangian particle model are used to study the dispersion of a contaminant released from a low height source in the Stable Boundary Layer (SBL). The Eulerian model is based on the solution of the advection-diffusion equation by the Laplace transform technique. The Lagrangian model is based on a generalized form of the Langevin equation. Turbulence inputs are parameterised according to two procedures capable of generating continuous values in all stability conditions and in all heights of Planetary Boundary Layer (PBL). Statistical indices were calculated to compare the predicted and observed values of ground-level concentration. According to the statistical analysis, predicted concentration values agree well with the observed ones.Sociedade Brasileira de Geofísica2002-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-261X2002000200003Revista Brasileira de Geofísica v.20 n.2 2002reponame:Revista Brasileira de Geofísica (Online)instname:Sociedade Brasileira de Geofísica (SBG)instacron:SBG10.1590/S0102-261X2002000200003info:eu-repo/semantics/openAccessMoreira,Davidson MartinsCarvalho,Jonas da CostaGoulart,Antônio GledsonRizza,UmbertoMangia,Cristinaeng2007-01-18T00:00:00Zoai:scielo:S0102-261X2002000200003Revistahttp://www.scielo.br/rbgONGhttps://old.scielo.br/oai/scielo-oai.php||sbgf@sbgf.org.br1809-45110102-261Xopendoar:2007-01-18T00:00Revista Brasileira de Geofísica (Online) - Sociedade Brasileira de Geofísica (SBG)false
dc.title.none.fl_str_mv A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models
title A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models
spellingShingle A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models
Moreira,Davidson Martins
Turbulent parameterisation
Lagrangian model
Eulerian model
title_short A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models
title_full A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models
title_fullStr A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models
title_full_unstemmed A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models
title_sort A comparison of two turbulent dispersion parameterisations in the stable boundary layer using Lagrangian and Eulerian models
author Moreira,Davidson Martins
author_facet Moreira,Davidson Martins
Carvalho,Jonas da Costa
Goulart,Antônio Gledson
Rizza,Umberto
Mangia,Cristina
author_role author
author2 Carvalho,Jonas da Costa
Goulart,Antônio Gledson
Rizza,Umberto
Mangia,Cristina
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Moreira,Davidson Martins
Carvalho,Jonas da Costa
Goulart,Antônio Gledson
Rizza,Umberto
Mangia,Cristina
dc.subject.por.fl_str_mv Turbulent parameterisation
Lagrangian model
Eulerian model
topic Turbulent parameterisation
Lagrangian model
Eulerian model
description An Eulerian model and a Lagrangian particle model are used to study the dispersion of a contaminant released from a low height source in the Stable Boundary Layer (SBL). The Eulerian model is based on the solution of the advection-diffusion equation by the Laplace transform technique. The Lagrangian model is based on a generalized form of the Langevin equation. Turbulence inputs are parameterised according to two procedures capable of generating continuous values in all stability conditions and in all heights of Planetary Boundary Layer (PBL). Statistical indices were calculated to compare the predicted and observed values of ground-level concentration. According to the statistical analysis, predicted concentration values agree well with the observed ones.
publishDate 2002
dc.date.none.fl_str_mv 2002-08-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-261X2002000200003
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0102-261X2002000200003
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S0102-261X2002000200003
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Sociedade Brasileira de Geofísica
publisher.none.fl_str_mv Sociedade Brasileira de Geofísica
dc.source.none.fl_str_mv Revista Brasileira de Geofísica v.20 n.2 2002
reponame:Revista Brasileira de Geofísica (Online)
instname:Sociedade Brasileira de Geofísica (SBG)
instacron:SBG
instname_str Sociedade Brasileira de Geofísica (SBG)
instacron_str SBG
institution SBG
reponame_str Revista Brasileira de Geofísica (Online)
collection Revista Brasileira de Geofísica (Online)
repository.name.fl_str_mv Revista Brasileira de Geofísica (Online) - Sociedade Brasileira de Geofísica (SBG)
repository.mail.fl_str_mv ||sbgf@sbgf.org.br
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