Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil

Detalhes bibliográficos
Autor(a) principal: Bittencourt, Abilio Carlos da Silva Pinto
Data de Publicação: 2007
Outros Autores: Dominguez, José Maria Landim, Fontes, Luiz Carlos S., Sousa, Daiana Leite, Silva, Iracema Reimão, Silva, Franz Rangel da
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFBA
Texto Completo: http://www.repositorio.ufba.br/ri/handle/ri/5221
Resumo: p. 930–938
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spelling Bittencourt, Abilio Carlos da Silva PintoDominguez, José Maria LandimFontes, Luiz Carlos S.Sousa, Daiana LeiteSilva, Iracema ReimãoSilva, Franz Rangel daBittencourt, Abilio Carlos da Silva PintoDominguez, José Maria LandimFontes, Luiz Carlos S.Sousa, Daiana LeiteSilva, Iracema ReimãoSilva, Franz Rangel da2012-01-23T16:42:15Z2012-01-23T16:42:15Z2007-071551-5036http://www.repositorio.ufba.br/ri/handle/ri/5221v. 23, n. 4.p. 930–938The São Francisco River mouth is undergoing a severe erosional process that has caused the destruction of a village and the partial immersion of a lighthouse constructed in 1856. The present work comprises an historic time evaluation of this phenomenon based on the analysis of the sediment dispersion patterns caused by waves along three distinct shoreline traces. For this, we define a wave climate model based on the construction of refraction diagrams, which are assumed to be valid for the three shorelines. The resulting sediment transport patterns obtained by numerical modeling from the refraction diagrams—taking into account the angle of approach and the wave height along the coast—allow us to establish a first-order correlation between coastal dynamics and erosion phenomenon. The results also suggest that a permanent reduction in the solid river discharge, in response to the construction of large dams, probably will have two direct consequences in the river mouth region: (i) a chronic shoreline erosion downdrift of the mouth and (ii) a progressive deflecti on of the mouth in the downdrift direction.Submitted by Ana Valéria de Jesus Moura (anavaleria_131@hotmail.com) on 2012-01-23T16:42:15Z No. of bitstreams: 1 05-0600.pdf: 1427527 bytes, checksum: 794df37dc63e00f78325f6ec8cd72ca9 (MD5)Made available in DSpace on 2012-01-23T16:42:15Z (GMT). No. of bitstreams: 1 05-0600.pdf: 1427527 bytes, checksum: 794df37dc63e00f78325f6ec8cd72ca9 (MD5) Previous issue date: 2007-07Longshore driftnumerical modelingcoastal evolutionriver mouth barwave-dominated deltahuman impactsWave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern BrazilJournal of Coastal Researchinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleengreponame:Repositório Institucional da UFBAinstname:Universidade Federal da Bahia (UFBA)instacron:UFBAinfo:eu-repo/semantics/openAccessORIGINAL05-0600.pdf05-0600.pdfapplication/pdf1427527https://repositorio.ufba.br/bitstream/ri/5221/1/05-0600.pdf794df37dc63e00f78325f6ec8cd72ca9MD51LICENSElicense.txtlicense.txttext/plain1762https://repositorio.ufba.br/bitstream/ri/5221/2/license.txt1b89a9a0548218172d7c829f87a0eab9MD52TEXT05-0600.pdf.txt05-0600.pdf.txtExtracted texttext/plain34205https://repositorio.ufba.br/bitstream/ri/5221/3/05-0600.pdf.txt893341d40d92e01840ea2218940df87cMD53ri/52212022-07-05 14:03:20.756oai:repositorio.ufba.br:ri/5221VGVybW8gZGUgTGljZW7vv71hLCBu77+9byBleGNsdXNpdm8sIHBhcmEgbyBkZXDvv71zaXRvIG5vIHJlcG9zaXTvv71yaW8gSW5zdGl0dWNpb25hbCBkYSBVRkJBCgogICAgUGVsbyBwcm9jZXNzbyBkZSBzdWJtaXNz77+9byBkZSBkb2N1bWVudG9zLCBvIGF1dG9yIG91IHNldQpyZXByZXNlbnRhbnRlIGxlZ2FsLCBhbyBhY2VpdGFyIGVzc2UgdGVybW8gZGUgbGljZW7vv71hLCBjb25jZWRlIGFvClJlcG9zaXTvv71yaW8gSW5zdGl0dWNpb25hbCBkYSBVbml2ZXJzaWRhZGUgRmVkZXJhbCBkYSBCYWhpYSBvIGRpcmVpdG8KZGUgbWFudGVyIHVtYSBj77+9cGlhIGVtIHNldSByZXBvc2l077+9cmlvIGNvbSBhIGZpbmFsaWRhZGUsIHByaW1laXJhLCAKZGUgcHJlc2VydmHvv73vv71vLiBFc3NlcyB0ZXJtb3MsIG7vv71vIGV4Y2x1c2l2b3MsIG1hbnTvv71tIG9zIGRpcmVpdG9zIGRlIAphdXRvci9jb3B5cmlnaHQsIG1hcyBlbnRlbmRlIG8gZG9jdW1lbnRvIGNvbW8gcGFydGUgZG8gYWNlcnZvIGludGVsZWN0dWFsIGRlc3NhIFVuaXZlcnNpZGFkZS4gCgogICAgUGFyYSBvcyBkb2N1bWVudG9zIHB1YmxpY2Fkb3MgY29tIHJlcGFzc2UgZGUgZGlyZWl0b3MgZGUgZGlzdHJpYnVp77+977+9bywgZXNzZSB0ZXJtbyBkZSBsaWNlbu+/vWEgZW50ZW5kZSBxdWU6IAoKICAgIE1hbnRlbmRvIG9zICBkaXJlaXRvcyBhdXRvcmFpcywgcmVwYXNzYWRvcyBhIHRlcmNlaXJvcywgZW0gY2FzbyAKZGUgcHVibGljYe+/ve+/vWVzLCBvIHJlcG9zaXTvv71yaW8gcG9kZSByZXN0cmluZ2lyIG8gYWNlc3NvIGFvIHRleHRvIAppbnRlZ3JhbCwgbWFzIGxpYmVyYSBhcyBpbmZvcm1h77+977+9ZXMgc29icmUgbyBkb2N1bWVudG8gKE1ldGFkYWRvcyBkZXNjcml0aXZvcykuCgogRGVzdGEgZm9ybWEsIGF0ZW5kZW5kbyBhb3MgYW5zZWlvcyBkZXNzYSB1bml2ZXJzaWRhZGUgCmVtIG1hbnRlciBzdWEgcHJvZHXvv73vv71vIGNpZW5077+9ZmljYSBjb20gYXMgcmVzdHJp77+977+9ZXMgaW1wb3N0YXMgcGVsb3MgCmVkaXRvcmVzIGRlIHBlcmnvv71kaWNvcy4gCgogICAgUGFyYSBhcyBwdWJsaWNh77+977+9ZXMgZW0gaW5pY2lhdGl2YXMgcXVlIHNlZ3VlbSBhIHBvbO+/vXRpY2EgZGUgCkFjZXNzbyBBYmVydG8sIG9zIGRlcO+/vXNpdG9zIGNvbXB1bHPvv71yaW9zIG5lc3NlIHJlcG9zaXTvv71yaW8gbWFudO+/vW0gCm9zIGRpcmVpdG9zIGF1dG9yYWlzLCBtYXMgbWFudO+/vW0gbyBhY2Vzc28gaXJyZXN0cml0byBhbyBtZXRhZGFkb3MgCmUgdGV4dG8gY29tcGxldG8uIEFzc2ltLCBhIGFjZWl0Ye+/ve+/vW8gZGVzc2UgdGVybW8gbu+/vW8gbmVjZXNzaXRhIGRlIApjb25zZW50aW1lbnRvIHBvciBwYXJ0ZSBkZSBhdXRvcmVzL2RldGVudG9yZXMgZG9zIGRpcmVpdG9zLCBwb3IgCmVzdGFyZW0gZW0gaW5pY2lhdGl2YXMgZGUgYWNlc3NvIGFiZXJ0by4KCiAgICBFbSBhbWJvcyBvIGNhc28sIGVzc2UgdGVybW8gZGUgbGljZW7vv71hLCBwb2RlIHNlciBhY2VpdG8gcGVsbyAKYXV0b3IsIGRldGVudG9yZXMgZGUgZGlyZWl0b3MgZS9vdSB0ZXJjZWlyb3MgYW1wYXJhZG9zIHBlbGEgCnVuaXZlcnNpZGFkZS4gRGV2aWRvIGFvcyBkaWZlcmVudGVzIHByb2Nlc3NvcyBwZWxvIHF1YWwgYSBzdWJtaXNz77+9byAKcG9kZSBvY29ycmVyLCBvIHJlcG9zaXTvv71yaW8gcGVybWl0ZSBhIGFjZWl0Ye+/ve+/vW8gZGEgbGljZW7vv71hIHBvciAKdGVyY2Vpcm9zLCBzb21lbnRlIG5vcyBjYXNvcyBkZSBkb2N1bWVudG9zIHByb2R1emlkb3MgcG9yIGludGVncmFudGVzIApkYSBVRkJBIGUgc3VibWV0aWRvcyBwb3IgcGVzc29hcyBhbXBhcmFkYXMgcG9yIGVzdGEgaW5zdGl0dWnvv73vv71vLgo=Repositório InstitucionalPUBhttp://192.188.11.11:8080/oai/requestopendoar:19322022-07-05T17:03:20Repositório Institucional da UFBA - Universidade Federal da Bahia (UFBA)false
dc.title.pt_BR.fl_str_mv Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil
dc.title.alternative.pt_BR.fl_str_mv Journal of Coastal Research
title Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil
spellingShingle Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil
Bittencourt, Abilio Carlos da Silva Pinto
Longshore drift
numerical modeling
coastal evolution
river mouth bar
wave-dominated delta
human impacts
title_short Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil
title_full Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil
title_fullStr Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil
title_full_unstemmed Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil
title_sort Wave Refraction, River Damming, and Episodes of Severe Shoreline Erosion: The Sa˜o Francisco River Mouth, Northeastern Brazil
author Bittencourt, Abilio Carlos da Silva Pinto
author_facet Bittencourt, Abilio Carlos da Silva Pinto
Dominguez, José Maria Landim
Fontes, Luiz Carlos S.
Sousa, Daiana Leite
Silva, Iracema Reimão
Silva, Franz Rangel da
author_role author
author2 Dominguez, José Maria Landim
Fontes, Luiz Carlos S.
Sousa, Daiana Leite
Silva, Iracema Reimão
Silva, Franz Rangel da
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Bittencourt, Abilio Carlos da Silva Pinto
Dominguez, José Maria Landim
Fontes, Luiz Carlos S.
Sousa, Daiana Leite
Silva, Iracema Reimão
Silva, Franz Rangel da
Bittencourt, Abilio Carlos da Silva Pinto
Dominguez, José Maria Landim
Fontes, Luiz Carlos S.
Sousa, Daiana Leite
Silva, Iracema Reimão
Silva, Franz Rangel da
dc.subject.por.fl_str_mv Longshore drift
numerical modeling
coastal evolution
river mouth bar
wave-dominated delta
human impacts
topic Longshore drift
numerical modeling
coastal evolution
river mouth bar
wave-dominated delta
human impacts
description p. 930–938
publishDate 2007
dc.date.issued.fl_str_mv 2007-07
dc.date.accessioned.fl_str_mv 2012-01-23T16:42:15Z
dc.date.available.fl_str_mv 2012-01-23T16:42:15Z
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/5221
dc.identifier.issn.none.fl_str_mv 1551-5036
dc.identifier.number.pt_BR.fl_str_mv v. 23, n. 4.
identifier_str_mv 1551-5036
v. 23, n. 4.
url http://www.repositorio.ufba.br/ri/handle/ri/5221
dc.language.iso.fl_str_mv eng
language eng
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
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dc.source.none.fl_str_mv reponame:Repositório Institucional da UFBA
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reponame_str Repositório Institucional da UFBA
collection Repositório Institucional da UFBA
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