Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2010 |
Outros Autores: | |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Anais da Academia Brasileira de Ciências (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000400023 |
Resumo: | The coastal sedimentation model in the Doce River mouth and surroundings extends beyond the hydraulic jetty effect created by its stream-flow. During flooding, marine sediments transported by longshore currents are retained on the updrift side, causing strandline progradation. As the longshore current direction varies, local depositional and erosional effects can be produced and identified laterally within beach profiles from north and south of the Doce River mouth area. Sedimentological studies carried out in this river, beach and adjacent inner continental shelf sands showed that, at present, the influence of Doce River sediments is restricted to the area surrounding its mouth. Meanwhile, beach morphodynamic stages and present-day coastal-plain processes of sedimentation are directly affected by the Doce River discharge as a natural continuation of the Quaternary geological evolution of the area. |
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Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazilcoastal processesbeach morphodynamicsQuaternary evolutionDoce RiverBrazilThe coastal sedimentation model in the Doce River mouth and surroundings extends beyond the hydraulic jetty effect created by its stream-flow. During flooding, marine sediments transported by longshore currents are retained on the updrift side, causing strandline progradation. As the longshore current direction varies, local depositional and erosional effects can be produced and identified laterally within beach profiles from north and south of the Doce River mouth area. Sedimentological studies carried out in this river, beach and adjacent inner continental shelf sands showed that, at present, the influence of Doce River sediments is restricted to the area surrounding its mouth. Meanwhile, beach morphodynamic stages and present-day coastal-plain processes of sedimentation are directly affected by the Doce River discharge as a natural continuation of the Quaternary geological evolution of the area.Academia Brasileira de Ciências2010-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000400023Anais da Academia Brasileira de Ciências v.82 n.4 2010reponame:Anais da Academia Brasileira de Ciências (Online)instname:Academia Brasileira de Ciências (ABC)instacron:ABC10.1590/S0001-37652010000400023info:eu-repo/semantics/openAccessAlbino,JacquelineSuguio,Kenitiroeng2011-02-28T00:00:00Zoai:scielo:S0001-37652010000400023Revistahttp://www.scielo.br/aabchttps://old.scielo.br/oai/scielo-oai.php||aabc@abc.org.br1678-26900001-3765opendoar:2011-02-28T00:00Anais da Academia Brasileira de Ciências (Online) - Academia Brasileira de Ciências (ABC)false |
dc.title.none.fl_str_mv |
Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil |
title |
Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil |
spellingShingle |
Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil Albino,Jacqueline coastal processes beach morphodynamics Quaternary evolution Doce River Brazil |
title_short |
Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil |
title_full |
Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil |
title_fullStr |
Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil |
title_full_unstemmed |
Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil |
title_sort |
Sedimentation processes and beach morphodynamics active at the Doce River mouth, Espírito Santo State, Brazil |
author |
Albino,Jacqueline |
author_facet |
Albino,Jacqueline Suguio,Kenitiro |
author_role |
author |
author2 |
Suguio,Kenitiro |
author2_role |
author |
dc.contributor.author.fl_str_mv |
Albino,Jacqueline Suguio,Kenitiro |
dc.subject.por.fl_str_mv |
coastal processes beach morphodynamics Quaternary evolution Doce River Brazil |
topic |
coastal processes beach morphodynamics Quaternary evolution Doce River Brazil |
description |
The coastal sedimentation model in the Doce River mouth and surroundings extends beyond the hydraulic jetty effect created by its stream-flow. During flooding, marine sediments transported by longshore currents are retained on the updrift side, causing strandline progradation. As the longshore current direction varies, local depositional and erosional effects can be produced and identified laterally within beach profiles from north and south of the Doce River mouth area. Sedimentological studies carried out in this river, beach and adjacent inner continental shelf sands showed that, at present, the influence of Doce River sediments is restricted to the area surrounding its mouth. Meanwhile, beach morphodynamic stages and present-day coastal-plain processes of sedimentation are directly affected by the Doce River discharge as a natural continuation of the Quaternary geological evolution of the area. |
publishDate |
2010 |
dc.date.none.fl_str_mv |
2010-12-01 |
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=S0001-37652010000400023 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0001-37652010000400023 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0001-37652010000400023 |
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 |
Academia Brasileira de Ciências |
publisher.none.fl_str_mv |
Academia Brasileira de Ciências |
dc.source.none.fl_str_mv |
Anais da Academia Brasileira de Ciências v.82 n.4 2010 reponame:Anais da Academia Brasileira de Ciências (Online) instname:Academia Brasileira de Ciências (ABC) instacron:ABC |
instname_str |
Academia Brasileira de Ciências (ABC) |
instacron_str |
ABC |
institution |
ABC |
reponame_str |
Anais da Academia Brasileira de Ciências (Online) |
collection |
Anais da Academia Brasileira de Ciências (Online) |
repository.name.fl_str_mv |
Anais da Academia Brasileira de Ciências (Online) - Academia Brasileira de Ciências (ABC) |
repository.mail.fl_str_mv |
||aabc@abc.org.br |
_version_ |
1754302857698344960 |