2019
DOI: 10.6008/cbpc2237-9290.2019.001.0004
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Diagnostico da fragilidade ambiental na Bacia do Submédio Tocantins: UHE Tucuruí

Abstract: As geotecnologias cumprem um papel importante, relacionados à fragilidade do ambiente, pois são capazes de elaborar produtos capazes de identificar pontos de destaque e são altamente eficientes para a gestão do território e promoção da qualidade da paisagem. Este trabalho apresenta um modelo para determinar a fragilidade ambiental em bacias hidrográficas. O estudo foi realizado na Bacia do Submédio Tocantins, localizada na bacia hidrográfica do Tocantins-Araguaia. Fatores que influenciam a ocorrência de proces… Show more

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Cited by 3 publications
(2 citation statements)
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“…In spring and summer, there is a gradual increase in the volume of precipitation, especially in the north of the area where the volumes are greater, contributing to the potential increase in erosivity, which coincides with the area with the highest erodibility rate, making it fragile to develop erosive processes. On the other hand, the vegetation cover, which has the functionality of minimizing the impact of erosivity according to the density of the vegetation (Valle et al 2016;Belato et al 2019), mitigated the erosive potential of the area.…”
Section: Statistical Validationmentioning
confidence: 99%
“…In spring and summer, there is a gradual increase in the volume of precipitation, especially in the north of the area where the volumes are greater, contributing to the potential increase in erosivity, which coincides with the area with the highest erodibility rate, making it fragile to develop erosive processes. On the other hand, the vegetation cover, which has the functionality of minimizing the impact of erosivity according to the density of the vegetation (Valle et al 2016;Belato et al 2019), mitigated the erosive potential of the area.…”
Section: Statistical Validationmentioning
confidence: 99%
“…, areas with steep relief with exposed soil or vegetation are associated with intermediate to high fragility, as well as urban areas, where the human intervention modi es the environment(Silveira et al 2014; Schiavo et al 2016;Valle et al 2016;Belato et al 2019). In addition, the watersheds of Boa Vista da Aparecida, Catanduvas, Guaraniaçu and Três Barras do Paraná presented re ections of the large areas of Agriculture and livestock close to the collection points, which may be harmful because the animals are close to the bodies of water and perennial and semi perennial cultures(Campos et al 2011; Silva et al 2016).…”
mentioning
confidence: 99%