2022
DOI: 10.55467/reder.v6i2.96
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Geoamenazas Hidro-Geomorfológicas en subcuencas de los Andes Costeros de Chile Semiárido

Abstract: Se analiza la dinámica geomorfológica de cuencas y subcuenca de la Región de Coquimbo, Chile, para establecer las condiciones que generan los eventos de 'flashflood' de verano-otoño, asociado a eventos de precipitaciones extremas. Se consideran los eventos ENSO como antecedentes previos de precipitaciones extremas, de invierno. El trabajo realizado se sustenta en la geomorfología de las laderas, de las formas de depositación y de erosión, dinámica de lechos y canales, como formas heredadas desde el Mioceno y P… Show more

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Cited by 1 publication
(2 citation statements)
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“…In this regard, over the past few years, several researchers have explored salt marshes and their dynamics in the Iberian Peninsula [1,2,[16][17][18], even some of them the marshlands allocated in the Gulf of Cadiz. Within the Río (River) Piedras and Flecha de El Rompido marshland(s) (Huelva, Spain), sediment residence times in their respective river systems are lengthy, with substantial intermediate storage of eroded material, as is typical in many of the world's major river systems, as observed, for example, in Chile [19]. Moreover, the increased sediment storage can trigger significant alterations in the physical shape of the marshland river system and its ecological well-being.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…In this regard, over the past few years, several researchers have explored salt marshes and their dynamics in the Iberian Peninsula [1,2,[16][17][18], even some of them the marshlands allocated in the Gulf of Cadiz. Within the Río (River) Piedras and Flecha de El Rompido marshland(s) (Huelva, Spain), sediment residence times in their respective river systems are lengthy, with substantial intermediate storage of eroded material, as is typical in many of the world's major river systems, as observed, for example, in Chile [19]. Moreover, the increased sediment storage can trigger significant alterations in the physical shape of the marshland river system and its ecological well-being.…”
Section: Introductionmentioning
confidence: 99%
“…Another consequence of the extended sediment residence times in the river system, as per [4,7,19], is that major historical changes can influence the system's behavior for decades. It is also imperative for us to acquire and evaluate the response trajectory to global historical change, with the temporal scale of analysis being highly relevant for predicting the relationship between net sediment response and flood distribution over the years.…”
Section: Introductionmentioning
confidence: 99%