2010
DOI: 10.1684/sec.2010.0271
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Problématique de l'érosion et du transport solide en Algérie septentrionale

Abstract: Les pertes en sols des terres, leur transport et sédimentation dans les infrastructures hydrauliques, hydro-agricoles, portuaires, routières… ont poussé les décideurs à examiner de plus près cette problématique, vu son ampleur et les conséquences qu'elle engendre face aux changements climatiques attendus. Des outils d'investigation ont été mis en oeuvre pour tenter de maîtriser le phénomène, malheureusement les sols continuent à se dégrader malgré une lutte antiérosive intensive entreprise à l'échelle des bass… Show more

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Cited by 15 publications
(12 citation statements)
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“…-Average monthly rainfall from six weather stations in the river basin for 1970for -1985for and 1985for -2010) illustrates the changes. Two marked seasons typical of a Mediterranean climate are present (a dry season and a rainy season) but the following changes are observable:…”
Section: Variation Of the Seasonality Of Climatic And Hydrological Parametersmentioning
confidence: 99%
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“…-Average monthly rainfall from six weather stations in the river basin for 1970for -1985for and 1985for -2010) illustrates the changes. Two marked seasons typical of a Mediterranean climate are present (a dry season and a rainy season) but the following changes are observable:…”
Section: Variation Of the Seasonality Of Climatic And Hydrological Parametersmentioning
confidence: 99%
“…- In 2000In -2010, the first flood of summer starts on 8 August with an average 4-day discharge (8-11 August) of 2.03 m 3 s −1 , while it was, on average, 0.03 m 3 s −1 from 4 to 7 August.…”
Section: Shift Of the Onset Of The First Summer Floodmentioning
confidence: 99%
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“…The Mediterranean area is well known for being subject to very high erosive risks [HUDSON 1992]. In Algeria, 45% of fertile land has been damaged by erosion; in fact, the average annual specific erosion varies between 2,000 and 4,000 t•10 -2 •ha -1 [DEMMAK 1982;MEGHRAOUI et al 2017], which ranks Algeria among the most erodible countries in the world [TOUAIBIA 2010]. Western Algeria, where our study area is located, remains the most affected area [BENDERRADJI et al 2006] and the major erosions are much more related to exceptional runoffs where the maximum runoff coefficient (Krmax%) exceeds 0.3 (30%) and can reach the value 0.8 (80%) on bare and compact soil [MORSLI et al 2012].…”
Section: Cost and Effectiveness Of Traditional Water And Soil Conservmentioning
confidence: 99%