Fast Generation of Pointerless Octree Duals

Bibliographic Details
Main Author: Lewiner, Thomas
Publication Date: 2010
Other Authors: Mello, Vinicius Moreira, Peixoto, Adelailson, Pesco, Sinésio, Lopes, Hélio
Format: Article
Language: eng
Source: Repositório Institucional da UFBA
Download full: http://www.repositorio.ufba.br/ri/handle/ri/5763
Summary: Acesso restrito: Texto completo. p. 1661-1669
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spelling Lewiner, ThomasMello, Vinicius MoreiraPeixoto, AdelailsonPesco, SinésioLopes, HélioLewiner, ThomasMello, Vinicius MoreiraPeixoto, AdelailsonPesco, SinésioLopes, Hélio2012-05-03T17:38:37Z20100167-7055http://www.repositorio.ufba.br/ri/handle/ri/5763v. 29, n. 5Acesso restrito: Texto completo. p. 1661-1669A finite element 2D Monte Carlo approach is used to evaluate the sensitivity of groundwater contaminant discharges to a Damkohler number ω and spatial variability in aquifer hydraulic conductivity, initial microbial biomass concentrations, and electron acceptor/donor concentrations. Bioattenuation is most sensitive to spatial variations in incipient biomass and critical electron donors/acceptors for ω≥1 (i.e., when pore-water residence times are high compared to the time needed for microbial growth or contaminant attenuation). Under these conditions, critical reaction processes can become substrate-limited at multiple locations throughout the aquifer; which in turn increases expected contaminant discharges and their uncertainties at monitored transects. For ω≤0.2, contaminant discharge is not sensitive to incipient biomass variations. Physical heterogeneities expedite plume arrival and delay departure at transects and in turn attenuate peak discharges but do not affect cumulative contaminant discharges. Physical heterogeneities do, however, induce transect mass discharge variances that are bimodal functions of time; the first peak beings consistently higher. A simple stream tube model is invoked to explain the occurrence of peaks in contaminant discharge variance.Submitted by JURANDI DE SOUZA SILVA (jssufba@hotmail.com) on 2012-05-03T17:38:37Z No. of bitstreams: 1 __ac.els-cdn.com_S030917...ae7d81ba1445b5145120549012bcf.pdf: 485846 bytes, checksum: 04f714cfa75159c36724c483027cac69 (MD5)Made available in DSpace on 2012-05-03T17:38:37Z (GMT). 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dc.title.pt_BR.fl_str_mv Fast Generation of Pointerless Octree Duals
dc.title.alternative.pt_BR.fl_str_mv COMPUTER GRAPHICS FORUM
title Fast Generation of Pointerless Octree Duals
spellingShingle Fast Generation of Pointerless Octree Duals
Lewiner, Thomas
Monte Carlo
Mass discharge
Groundwater
Biodegradation
title_short Fast Generation of Pointerless Octree Duals
title_full Fast Generation of Pointerless Octree Duals
title_fullStr Fast Generation of Pointerless Octree Duals
title_full_unstemmed Fast Generation of Pointerless Octree Duals
title_sort Fast Generation of Pointerless Octree Duals
author Lewiner, Thomas
author_facet Lewiner, Thomas
Mello, Vinicius Moreira
Peixoto, Adelailson
Pesco, Sinésio
Lopes, Hélio
author_role author
author2 Mello, Vinicius Moreira
Peixoto, Adelailson
Pesco, Sinésio
Lopes, Hélio
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Lewiner, Thomas
Mello, Vinicius Moreira
Peixoto, Adelailson
Pesco, Sinésio
Lopes, Hélio
Lewiner, Thomas
Mello, Vinicius Moreira
Peixoto, Adelailson
Pesco, Sinésio
Lopes, Hélio
dc.subject.por.fl_str_mv Monte Carlo
Mass discharge
Groundwater
Biodegradation
topic Monte Carlo
Mass discharge
Groundwater
Biodegradation
description Acesso restrito: Texto completo. p. 1661-1669
publishDate 2010
dc.date.issued.fl_str_mv 2010
dc.date.accessioned.fl_str_mv 2012-05-03T17:38:37Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://www.repositorio.ufba.br/ri/handle/ri/5763
dc.identifier.issn.none.fl_str_mv 0167-7055
dc.identifier.number.pt_BR.fl_str_mv v. 29, n. 5
identifier_str_mv 0167-7055
v. 29, n. 5
url http://www.repositorio.ufba.br/ri/handle/ri/5763
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.source.pt_BR.fl_str_mv DOI: 10.1111/j.1467-8659.2010.01775.x
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
instname:Universidade Federal da Bahia (UFBA)
instacron:UFBA
instname_str Universidade Federal da Bahia (UFBA)
instacron_str UFBA
institution UFBA
reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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