{"id":{"repo_id":"brazil-uerj","oai_identifier":"oai:pantheon.ufrj.br:11422/7426"},"canonical_url":"https://search.dev.ndltd.org/etd/brazil-uerj/oai:pantheon.ufrj.br:11422/7426","repository":{"repo_id":"brazil-uerj","name":"Brazil UERJ","base_url":"https://pantheon.ufrj.br/oai/request"},"display":{"title":"Efeitos de obras hidráulicas na renovação das águas do Sistema Lagunar de Jacarepaguá e na balneabilidade das praias adjacentes ao canal da Joatinga","abstract":"Since the 1970s, the waters of the Jacarepaguá’s System have received large and growing loads of wastewater, rich in organic matter, from urban and industrial sources. This work evaluated, through computational modeling, the effects that hydraulic works in the lagoon system would induce in the local hydrodynamic circulation and in the quality of it waters and also of the adjacent beaches. These works are: clearing of channels and recovery of aquatic spaces through dredging and improvement of hydrodynamic conditions at the mouth of the Joatinga channel, modifying the jetties. The interventions considered propitiated the increase of the tide prism in the main channels of the system. They also allowed greater renewal of its waters, mainly to the lagoons of Jacarepaguá and Marapendi. The increase of water entering the system leads to a greater dilution and consequent decrease in the concentration of thermotolerant coliforms. The extension of the jetties improved the bathing conditions of the adjacent beaches.","abstract_html":"Since the 1970s, the waters of the Jacarepaguá’s System have received large and growing loads of wastewater, rich in organic matter, from urban and industrial sources. This work evaluated, through computational modeling, the effects that hydraulic works in the lagoon system would induce in the local hydrodynamic circulation and in the quality of it waters and also of the adjacent beaches. These works are: clearing of channels and recovery of aquatic spaces through dredging and improvement of hydrodynamic conditions at the mouth of the Joatinga channel, modifying the jetties. The interventions considered propitiated the increase of the tide prism in the main channels of the system. They also allowed greater renewal of its waters, mainly to the lagoons of Jacarepaguá and Marapendi. The increase of water entering the system leads to a greater dilution and consequent decrease in the concentration of thermotolerant coliforms. The extension of the jetties improved the bathing conditions of the adjacent beaches.","abstract_has_math":false,"creators":["Santos, Ana Lígia Favaro dos"],"institution":"Universidade Federal do Rio de Janeiro","degree_name":null,"degree_level":null,"degree_discipline":null,"degree_department":null,"school":null,"contributors":[],"advisors":["Rosman, Paulo Cesar Colonna"],"committee_chairs":[],"committee_members":[],"year":2017,"date_issued":"2017-05","date_published":"2017-05","updated_at":"2026-07-24T01:16:26Z","subjects":["Engenharia oceânica","Hidrologia","Desenvolvimento de recursos hídricos"],"languages":["por"],"rights":["Acesso Aberto"],"rights_urls":[],"identifier_entries":[]},"links":{"outbound_url":"http://hdl.handle.net/11422/7426","outbound_label":"Handle","outbound_source":"dc:identifier.uri"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor.advisor","label":"Advisor","values":["Rosman, Paulo Cesar Colonna"]},{"key":"dc:creator","label":"Author","values":["Santos, Ana Lígia Favaro dos"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date.accessioned","label":"Dc Date Accessioned","values":["2019-04-25T18:23:55Z"]},{"key":"dc:date.available","label":"Dc Date Available","values":["2026-05-16T03:00:43Z"]},{"key":"dc:date.issued","label":"Date","values":["2017-05"]},{"key":"dc:publisher","label":"Institution","values":["Universidade Federal do Rio de Janeiro"]},{"key":"dc:publisher.department","label":"Dc Publisher Department","values":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"]},{"key":"dc:type","label":"Dc Type","values":["Dissertação"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engenharia oceânica","Hidrologia","Desenvolvimento de recursos hídricos"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["por"]},{"key":"dc:rights","label":"Dc Rights","values":["Acesso Aberto"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier.uri","label":"Identifier URI","values":["http://hdl.handle.net/11422/7426"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description.abstract","label":"Abstract","values":["Since the 1970s, the waters of the Jacarepaguá’s System have received large and growing loads of wastewater, rich in organic matter, from urban and industrial sources. This work evaluated, through computational modeling, the effects that hydraulic works in the lagoon system would induce in the local hydrodynamic circulation and in the quality of it waters and also of the adjacent beaches. These works are: clearing of channels and recovery of aquatic spaces through dredging and improvement of hydrodynamic conditions at the mouth of the Joatinga channel, modifying the jetties. The interventions considered propitiated the increase of the tide prism in the main channels of the system. They also allowed greater renewal of its waters, mainly to the lagoons of Jacarepaguá and Marapendi. The increase of water entering the system leads to a greater dilution and consequent decrease in the concentration of thermotolerant coliforms. The extension of the jetties improved the bathing conditions of the adjacent beaches."]},{"key":"dc:title","label":"Title","values":["Efeitos de obras hidráulicas na renovação das águas do Sistema Lagunar de Jacarepaguá e na balneabilidade das praias adjacentes ao canal da Joatinga"]}]}],"canonical_facts":{"dc:contributor.advisor":["Rosman, Paulo Cesar Colonna"],"dc:creator":["Santos, Ana Lígia Favaro dos"],"dc:date.accessioned":["2019-04-25T18:23:55Z"],"dc:date.available":["2026-05-16T03:00:43Z"],"dc:date.issued":["2017-05"],"dc:description.abstract":["Since the 1970s, the waters of the Jacarepaguá’s System have received large and growing loads of wastewater, rich in organic matter, from urban and industrial sources. This work evaluated, through computational modeling, the effects that hydraulic works in the lagoon system would induce in the local hydrodynamic circulation and in the quality of it waters and also of the adjacent beaches. These works are: clearing of channels and recovery of aquatic spaces through dredging and improvement of hydrodynamic conditions at the mouth of the Joatinga channel, modifying the jetties. The interventions considered propitiated the increase of the tide prism in the main channels of the system. They also allowed greater renewal of its waters, mainly to the lagoons of Jacarepaguá and Marapendi. The increase of water entering the system leads to a greater dilution and consequent decrease in the concentration of thermotolerant coliforms. The extension of the jetties improved the bathing conditions of the adjacent beaches."],"dc:identifier.uri":["http://hdl.handle.net/11422/7426"],"dc:language":["por"],"dc:publisher":["Universidade Federal do Rio de Janeiro"],"dc:publisher.department":["Instituto Alberto Luiz Coimbra de Pós-Graduação e Pesquisa de Engenharia"],"dc:rights":["Acesso Aberto"],"dc:subject":["Engenharia oceânica","Hidrologia","Desenvolvimento de recursos hídricos"],"dc:title":["Efeitos de obras hidráulicas na renovação das águas do Sistema Lagunar de Jacarepaguá e na balneabilidade das praias adjacentes ao canal da Joatinga"],"dc:type":["Dissertação"]},"updated_at":"2026-07-24T01:16:26Z"}