2021
DOI: 10.20502/rbg.v22i3.1935
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Conectividade fluvial no Planalto Sedimentar do Araripe, semiárido brasileiro

Abstract: Este estudo teve por objetivo caracterizar os diferentes quadros de conectividade fluvial de uma bacia hidrográfica semiárida, na porção nordeste do planalto sedimentar do Araripe, sul do estado do Ceará. Os modelos propostos enfatizam as morfologias e ajustes em escala histórica, tendo como controles as coberturas superficiais herdadas, a dinâmica climática, a litologia, as transformações do uso da terra, assim como os processos hidrológicos intrínsecos à paisagem. Foi realizado o mapeamento de impedimentos f… Show more

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Cited by 1 publication
(2 citation statements)
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“…The analysis initially followed the proposal of Brierley and Fryrs (2005) through the delimitation of Confined, Partially Confined, and Unconfined channel segments based on the presence or absence of alluvial plains. However, in addition to the valley's morphology, the connectivity pattern may change according to the material bordering the channel, resulting in distinct geomorphic responses and susceptibility to the obliteration of the flow path, both in the lateral or longitudinal directions (Lima et al, 2021a;Lima et al, 2021b).…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…The analysis initially followed the proposal of Brierley and Fryrs (2005) through the delimitation of Confined, Partially Confined, and Unconfined channel segments based on the presence or absence of alluvial plains. However, in addition to the valley's morphology, the connectivity pattern may change according to the material bordering the channel, resulting in distinct geomorphic responses and susceptibility to the obliteration of the flow path, both in the lateral or longitudinal directions (Lima et al, 2021a;Lima et al, 2021b).…”
Section: Methodsmentioning
confidence: 99%
“…The hollows present an amphitheater planform geometry and a concave longitudinal profile. They are supported by Mesozoic lithologies capped by Quaternary unconsolidated surface coverings (Lima & Corrêa, 2018;Lima et al, 2021b). Downstream of the escarpment, topographic hollows are filled by Upper Pleistocene/Holocene colluvial deposits.…”
Section: Connectivity Scenarios and Morphostratigraphymentioning
confidence: 99%