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LES AVATARS DU LIT : DIVAGATIONS DU NIL ET MORPHOLOGIE DES RIVES À HAUTEUR DU CAIRE (VII e -XVI e SIÈCLES)

Julien LOISEAU
Médiévales
No. 36, Le fleuve (PRINTEMPS 1999), pp. 7-16
Stable URL: http://www.jstor.org/stable/43027038
Page Count: 10
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Since scans are not currently available to screen readers, please contact JSTOR User Support for access. We'll provide a PDF copy for your screen reader.
LES AVATARS DU LIT : DIVAGATIONS DU NIL ET MORPHOLOGIE DES RIVES À HAUTEUR DU CAIRE (VII
          e
          -XVI
          e
          SIÈCLES)
Preview not available

Abstract

Tout au long du Moyen Âge, la morphologie des rives du Nil est affectée par les divagations du fleuve. Le phénomène est particulièrement perceptible à hauteur du Caire où, sur un temps long, le Nil s'est éloigné du site originel de l'agglomération. Or l'urbanisation progressive des terrains découverts par le fleuve a suivi les avatars successifs de son lit. C'est donc la topographie urbaine qui fournit les éléments de l'enquête. Elle témoigne des risques du ravinement et, plus encore, des effets de l'ensablement. Les grands travaux entrepris à l'époque médiévale se sont révélés impuissants à freiner cette décisive modification des contraintes géographiques. Throughout the Middle Ages, the shifting of the Nile has altered the morphology of its shores. This phenomenon is particularly perceptible at Cairo where, over a long period of time, the Nile has gradually moved away from the original site of the urban center. The progressive urbanization of the land uncovered by the river followed on the successive transformations of its riverbed. Thus elements for investigation may be furnished by the urban topography, giving evidence of the risks of gullying, and furthermore, of the effects of silting up. The great projects undertaken in medieval times have proven ineffective in checking the important modifications due to georgraphical forces.

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