Des oueds mythiques aux rivières artificielles : l'hydrographie du Bas-Sahara algérien

New researches on Bas-Sahara hydrography have been performed. They show that mythical wadis such as wadi Igharghar from south of the Grand Erg Oriental, wadi Mya close to Ouargla and wadi Rhir do not exist. Among the functional real wadis, those that run from the saharan Atlas mountains are best kno...

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Main Author: Jean-Louis Ballais
Format: Article
Language:English
Published: Physio-Géo
Series:Physio-Géo
Subjects:
Online Access:https://journals.openedition.org/physio-geo/1173
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author Jean-Louis Ballais
author_facet Jean-Louis Ballais
author_sort Jean-Louis Ballais
collection DOAJ
description New researches on Bas-Sahara hydrography have been performed. They show that mythical wadis such as wadi Igharghar from south of the Grand Erg Oriental, wadi Mya close to Ouargla and wadi Rhir do not exist. Among the functional real wadis, those that run from the saharan Atlas mountains are best known, due to their dams. Those of the M'Zab ridge are still poorly studied. Fossil real wadis have been just discovered in the Souf region, north of the Grand Erg Oriental. The only genuine perennial rivers, such as the grand drain, are fed by oasis collature waters and towns rainwater networks.
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spelling doaj.art-003ef902c19a42ab8d17e3824ad5c01f2024-02-13T13:24:04ZengPhysio-GéoPhysio-Géo1958-573X410712710.4000/physio-geo.1173Des oueds mythiques aux rivières artificielles : l'hydrographie du Bas-Sahara algérienJean-Louis BallaisNew researches on Bas-Sahara hydrography have been performed. They show that mythical wadis such as wadi Igharghar from south of the Grand Erg Oriental, wadi Mya close to Ouargla and wadi Rhir do not exist. Among the functional real wadis, those that run from the saharan Atlas mountains are best known, due to their dams. Those of the M'Zab ridge are still poorly studied. Fossil real wadis have been just discovered in the Souf region, north of the Grand Erg Oriental. The only genuine perennial rivers, such as the grand drain, are fed by oasis collature waters and towns rainwater networks.https://journals.openedition.org/physio-geo/1173Algeriamythical wadisfossil wadisfunctional wadisartificial riversBas-Sahara
spellingShingle Jean-Louis Ballais
Des oueds mythiques aux rivières artificielles : l'hydrographie du Bas-Sahara algérien
Physio-Géo
Algeria
mythical wadis
fossil wadis
functional wadis
artificial rivers
Bas-Sahara
title Des oueds mythiques aux rivières artificielles : l'hydrographie du Bas-Sahara algérien
title_full Des oueds mythiques aux rivières artificielles : l'hydrographie du Bas-Sahara algérien
title_fullStr Des oueds mythiques aux rivières artificielles : l'hydrographie du Bas-Sahara algérien
title_full_unstemmed Des oueds mythiques aux rivières artificielles : l'hydrographie du Bas-Sahara algérien
title_short Des oueds mythiques aux rivières artificielles : l'hydrographie du Bas-Sahara algérien
title_sort des oueds mythiques aux rivieres artificielles l hydrographie du bas sahara algerien
topic Algeria
mythical wadis
fossil wadis
functional wadis
artificial rivers
Bas-Sahara
url https://journals.openedition.org/physio-geo/1173
work_keys_str_mv AT jeanlouisballais desouedsmythiquesauxrivieresartificielleslhydrographiedubassaharaalgerien