2020
DOI: 10.5752/p.2318-2962.2020v30n63p956
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Expedição científica ao alto curso do Rio Jaguaribe, Estado do Ceará: identificação da exata nascente do possivelmente maior rio efêmero do mundo

Abstract: O Rio Jaguaribe é o maior rio do Ceará. Trata-se de um rio efêmero, possivelmente o maior “oued” do globo. Nos documentos oficiais, consta que suas nascentes se situam no Município de Tauá, na Serra da Joaninha, mas essa localização ainda é motivo de controvérsias. Uma expedição científica foi realizada ao alto curso do rio, fazendo uso de computadores, geomática, modelos digitais de elevação e drenagem, instrumentos de exploração e realização de cálculos com precisão topográfica e geodésica através de técnica… Show more

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“…The main source for the fluvial input of terrigenous material, including pollen and spores, into the marine deposits was the Jaguaribe River, which is 610 km long and flows into the Atlantic Ocean about 80 km south of the core site. The Jaguaribe River originates in the Serra da Pedra Branca at 700 m asl, and in the Chapada do Araripe at 900 m asl (Castro et al 2020). Today, four types of climate (humid, subhumid, semiarid and arid) (Gatto 1999) and eleven classes of vegetation are seen in the hydrographic basin of the Jaguaribe River, with moist forest and woody savanna (cerradão) observed at higher elevations in the Chapada do Araripe (Costa and Araújo 2007).…”
Section: Marine Pollen Recordsmentioning
confidence: 99%
“…The main source for the fluvial input of terrigenous material, including pollen and spores, into the marine deposits was the Jaguaribe River, which is 610 km long and flows into the Atlantic Ocean about 80 km south of the core site. The Jaguaribe River originates in the Serra da Pedra Branca at 700 m asl, and in the Chapada do Araripe at 900 m asl (Castro et al 2020). Today, four types of climate (humid, subhumid, semiarid and arid) (Gatto 1999) and eleven classes of vegetation are seen in the hydrographic basin of the Jaguaribe River, with moist forest and woody savanna (cerradão) observed at higher elevations in the Chapada do Araripe (Costa and Araújo 2007).…”
Section: Marine Pollen Recordsmentioning
confidence: 99%