Bulletin. Studies of salt and water movement in the bol guini polder - Chad Republic / Dieleman, P. J.

Public ISBD Titre de série : Bulletin Titre : Studies of salt and water movement in the bol guini polder - Chad Republic Type de document : texte imprimé Auteurs : Dieleman, P. J. ; Rider, N. A. de Mention d'édition : International Institute for Land Reclamation and Improvement Editeur : International Institute for Land Reclamation and Improvement Année de publication : 1964 ISBN/ISSN/EAN : CI-03384 Note générale : Hydrogeological investigations of an area the northern shore of lak Chad revealed an intricate pattern of groundwater flow from the direction of the lake towards and into low-lying cuvettes or polders. The seepage flow is sufficient to balance the use of crops, but the quality of the seepage water in such that the polders are threatened with completed salinization. In this article methods of investigation of the hydrological conditions are discussed and the gradual development of salinity in the cultivated areas analysed. Langues : Anglais (eng) Mots-clés : Hydrogéologie  Régime fluvial  Eau de surface  Eau souterraine  Eau salée  Pédologie Index. décimale : 631.4 Pédologie, science et préservation des sols : chimie, physique, fertilité Résumé : Hydrogeological investigations of an area the northern shore of lak Chad revealed an intricate pattern of groundwater flow from the direction of the lake towards and into low-lying cuvettes or polders. The seepage flow is sufficient to balance the use of crops, but the quality of the seepage water in such that the polders are threatened with completed salinization. In this article methods of investigation of the hydrological conditions are discussed and the gradual development of salinity in the cultivated areas analysed. Note de contenu : Hydrogeological investigations of an area the northern shore of lak Chad revealed an intricate pattern of groundwater flow from the direction of the lake towards and into low-lying cuvettes or polders. The seepage flow is sufficient to balance the use of crops, but the quality of the seepage water in such that the polders are threatened with completed salinization. In this article methods of investigation of the hydrological conditions are discussed and the gradual development of salinity in the cultivated areas analysed. Bulletin. Studies of salt and water movement in the bol guini polder - Chad Republic [texte imprimé] / Dieleman, P. J. ; Rider, N. A. de  . -  International Institute for Land Reclamation and Improvement . - International Institute for Land Reclamation and Improvement, 1964. ISSN : CI-03384 Hydrogeological investigations of an area the northern shore of lak Chad revealed an intricate pattern of groundwater flow from the direction of the lake towards and into low-lying cuvettes or polders. The seepage flow is sufficient to balance the use of crops, but the quality of the seepage water in such that the polders are threatened with completed salinization. In this article methods of investigation of the hydrological conditions are discussed and the gradual development of salinity in the cultivated areas analysed. Langues : Anglais (eng) Mots-clés : Hydrogéologie  Régime fluvial  Eau de surface  Eau souterraine  Eau salée  Pédologie Index. décimale : 631.4 Pédologie, science et préservation des sols : chimie, physique, fertilité Résumé : Hydrogeological investigations of an area the northern shore of lak Chad revealed an intricate pattern of groundwater flow from the direction of the lake towards and into low-lying cuvettes or polders. The seepage flow is sufficient to balance the use of crops, but the quality of the seepage water in such that the polders are threatened with completed salinization. In this article methods of investigation of the hydrological conditions are discussed and the gradual development of salinity in the cultivated areas analysed. Note de contenu : Hydrogeological investigations of an area the northern shore of lak Chad revealed an intricate pattern of groundwater flow from the direction of the lake towards and into low-lying cuvettes or polders. The seepage flow is sufficient to balance the use of crops, but the quality of the seepage water in such that the polders are threatened with completed salinization. In this article methods of investigation of the hydrological conditions are discussed and the gradual development of salinity in the cultivated areas analysed.

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