Análisis de la adecuación de las acciones restauradoras efectuadas en el cono de sedimentación de un curso torrencial, ante la incidencia en el mismo de eventos extraordinarios durante el invierno de 2009-10

Aguirre, Juan Ángel Mintegui; Sánchez, José Carrón; Rueda, Pablo Huelin; Aranoa, Carlos de Gonzalo

doi:10.29104/phi-aqualac/2010-v2-2-08

Cited by 2 publications

(1 citation statement)

References 1 publication

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“…Moreover, fl ood fl ows were constrained into the channel walls, which caused the degradation of the streambed, carrying the eroded material to the El Rocio marshes, producing there a new alluvial fan. This process has been widely investigated, tested, and diffused [1,2,4,13,14,15,16].…”

Section: Behavior Of the A3 In The Hydrological Year 2009-10 On The N...mentioning

confidence: 99%

Stability of the new alluvial fan of el partido stream, located in the eastern side of el rocío village in the doñana national park (spain), after the actions carried out to restore its hydrological regime

Aguirre¹,

Sánchez²,

Aranoa³

et al. 2011

Int. J. SAFE

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We present, fi rst of fall, a recall of the formation of a new alluvial fan at El Partido stream between 1982 and 2006, located in the eastern side of El Rocío village, over the Doñana National Park Marshes, as a result of the channelization of the mentioned stream with crop purposes in 1981. The settlement of the new alluvial fan, over an area of special protection, and the concerns linked to its expansion and growth, hindering the drainage of the urbanized area of El Rocío village after fl ood events, caused a strong impact. The analysis of the situation drove to the conclusion that the most suitable measure to stabilize the new alluvial fan was to restore the functionality of the former alluvial fan located upstream the study area. The restoration works were executed in 2006 and from the year 2007 the monitoring of its behavior in several fl ood events that occurred in the stream has been carried out. This paper summarizes the followed restoration scheme of the former alluvial fan and describes the main monitoring tasks, especially during the last 2 years focused specifi cally in the neighborhood of El Rocío village. To conclude, a description of the recent fl ood behavior along the fi nal reach of the stream, as a result of the restoring works and its impact on the current stability of the new alluvial fan has been provided.

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Section: Behavior Of the A3 In The Hydrological Year 2009-10 On The N...mentioning

confidence: 99%

Stability of the new alluvial fan of el partido stream, located in the eastern side of el rocío village in the doñana national park (spain), after the actions carried out to restore its hydrological regime

Aguirre¹,

Sánchez²,

Aranoa³

et al. 2011

Int. J. SAFE

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Design of edges in contour and half moons from edaphoclimatic parameters, for the endorrheic basin of lagunas de tajzara - ramsar site 1030

Schmidt-Gomez

Olivares-Ramírez

Ferriol-Sanchez

et al. 2021

JRD

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The collection of water is proposed from the design of contour borders and half moons, green infrastructure measures, to reduce surface runoff and increase the availability of water for vegetation. The contour and crescent ridges have land ridges with a trapezoidal section, which follow the contour lines, to compartmentalize the slope into smaller hydrological units, the ends of which are located on contour lines. With the data of maximum rainfall every 24 hours and parameters of Gumbel's Law modified, the equations of maximum daily rainfall height (hdT), rainfall height for a duration ´´t´´ (htT), and the Intensity Duration Frequency curve (ItT), for a duration of t <2h. Then considering the values of basic infiltration, vegetation cover, soil type and hydrological condition, the curve numbers were determined for different soil moisture conditions, later the separation length (L) between the Half Moons, and the borders was calculated. in contour, which were designed by means of 10 configurations between diameter and height, for the two infrastructures, being in Copacabana Valle, the greatest separation distance.

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Análisis de la adecuación de las acciones restauradoras efectuadas en el cono de sedimentación de un curso torrencial, ante la incidencia en el mismo de eventos extraordinarios durante el invierno de 2009-10

Cited by 2 publications

References 1 publication

Stability of the new alluvial fan of el partido stream, located in the eastern side of el rocío village in the doñana national park (spain), after the actions carried out to restore its hydrological regime

Stability of the new alluvial fan of el partido stream, located in the eastern side of el rocío village in the doñana national park (spain), after the actions carried out to restore its hydrological regime

Design of edges in contour and half moons from edaphoclimatic parameters, for the endorrheic basin of lagunas de tajzara - ramsar site 1030

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