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2021
DOI: 10.6008/cbpc2179-6858.2021.003.0021
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Circulação secundária atípica em meandro fluviomarinho como parâmetro hidrodinâmico em ecossistema aquático amazônico

Abstract: A circulação lateral (CL) em curvaturas de rios é influenciada pela morfologia dos canais, sendo relevante em processos de mistura que interferem na variação da qualidade da água. O objetivo desta pesquisa é avaliar CL a partir do escoamento hidrodinâmico, curvatura e geometria de um rio fluviomarinho amazônico. O escoamento foi quantificado em uma seção transversal do Rio Araguari-Amapá/Brasil cujas características geométricas são consideradas ideais para testar CL em trechos curvos (raio de curvatura ≈5900 m… Show more

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Cited by 1 publication
(1 citation statement)
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“…Furthermore, local geomorphology is important in the generation of secondary currents (helical flows). Although this phenomenon is little studied, it is very common in rivers with intense currents and accentuated curvatures or close to meanders that tend to alter, even imperceptibly, the lateral dispersal behaviour of the propagules at these critical flow points (Santos & Cunha, 2021).…”
Section: Discussionmentioning
confidence: 99%
“…Furthermore, local geomorphology is important in the generation of secondary currents (helical flows). Although this phenomenon is little studied, it is very common in rivers with intense currents and accentuated curvatures or close to meanders that tend to alter, even imperceptibly, the lateral dispersal behaviour of the propagules at these critical flow points (Santos & Cunha, 2021).…”
Section: Discussionmentioning
confidence: 99%