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Anti-Salt Dam as a Means of Recovering Lowland Degraded by Sea Water: the Case of Lowland Ndour Ndour, Senegal

Received: 5 May 2013    Accepted:     Published: 10 June 2013
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Abstract

The reduction of the quantity of water that flows in the lowlands of Sine Saloun, toward the ocean, has favored saltwater intrusion. To fight against, anti-salt dikes were built. This study aimed to analyze: (1) the rainfall over the last years, in the region, in order to determine its variability likely to impact outcropping of salt. (2) The impact of the anti-salt dam on the protection and recovery of the salt lands. The level of the groundwater, standing water and salinity were monitored, during two wet seasons. The break occurred in 1967 and from this time, the rainfall started declining. The anti-salt dam slowed the progress of the seawater into the lowlands by maintaining a certain level of fresh water upstream. The most important determinant for agricultural redevelopment, in these degraded lands, is the amount of water that passes through.

Published in American Journal of Environmental Protection (Volume 2, Issue 3)
DOI 10.11648/j.ajep.20130203.11
Page(s) 79-84
Creative Commons

This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited.

Copyright

Copyright © The Author(s), 2024. Published by Science Publishing Group

Keywords

Rainfall Series, Salt, Dike, Lowland

References
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[6] Camara, M., Kebe, M., Miezan M.K. (2007) "Caractérisation agronomique, économique et biophysique du continuum bas fond : cas des complexes sahéliens et soudano - sahéliens du sine-saloum au SENEGA." Sciences & Nature Vol. 4 No 1 pp 1 – 15.
[7] Mbodj, S.(2007) " une meilleure valorisation des bas- fonds du Sine Saloum par laGIRE". SIWI, RANDOLL, GTZ.
[8] Verheye, W.H. (1994) "Impact of climate and soil conditions on conception and implementation of irrigation schemes in the Senegal River basin"Agricultural Water Management Vol. 28 pp 73-94.
[9] Camara, M., Kebe, M., Miezan M.K. (2008) "Intensification de la riziculture de bas-fonds dans le Sine-Saloum (Sénégal) ."Cahiers Agricultures Vol. 17 pp451-455.
[10] Pettitt, A.N., 1979. A non-parametric approach to the change-point problem. Applied Statistics 28 (2), 126–135
[11] T. A. Buishard, Some methods for testing the homogeneity of rainfall records, Journal of Hydrology, 58, 1982, pp.11-27
[12] A. F. S. Lee, M.S. Heghinian, A Shift of the Mean Level in a Sequence of Independent Normal Random Variables - A Bayesian Approach, Technometrics, 19(4), 1977, pp. 503-506
[13] Bodian, A., Dacosta, H. and Dezetter, A.(2011)"Caractérisation spatio-temporelle du régime pluviométrique du haut bassin du fleuve Sénégal dans un contexte de variabilité climatique"Géographie, physique et environnement, Vol. 5.pp 107-124.
[14] Manga, A., Dorego, G.S., El Hadji, B. D., Sane, T. (2009) " Predictions pluviometriques des saltiguée et pratiques paysannes en pays serere : les croyances culturelles au service de l’agriculture. " GeographiaTechnica. Numéro spécial, pp 293-298.
[15] Servaté, P. J. E., Kouamé B., Travaglio, M., Ouedraogo, M.,Boyer,J.F., Lubèsnifl, H., Fritsch, J.M., Masson,J.M., Marieu, B. (1998) "Identification, caractérisation et conséquences d'une variabilité hydrologique en Afrique de l'Ouest et Centrale. "Water Resources Variability in Africa during the XXth Century, Abidjan 1998 Conference, Publication AISH, n° 252, pp. 323-337.
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  • APA Style

    Bama Nati Aïssata Delphine, Bado Boubié Vincent, Soussou Sambou, Mel Valère, Gaye Cheikh Becaye. (2013). Anti-Salt Dam as a Means of Recovering Lowland Degraded by Sea Water: the Case of Lowland Ndour Ndour, Senegal. American Journal of Environmental Protection, 2(3), 79-84. https://doi.org/10.11648/j.ajep.20130203.11

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    ACS Style

    Bama Nati Aïssata Delphine; Bado Boubié Vincent; Soussou Sambou; Mel Valère; Gaye Cheikh Becaye. Anti-Salt Dam as a Means of Recovering Lowland Degraded by Sea Water: the Case of Lowland Ndour Ndour, Senegal. Am. J. Environ. Prot. 2013, 2(3), 79-84. doi: 10.11648/j.ajep.20130203.11

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    AMA Style

    Bama Nati Aïssata Delphine, Bado Boubié Vincent, Soussou Sambou, Mel Valère, Gaye Cheikh Becaye. Anti-Salt Dam as a Means of Recovering Lowland Degraded by Sea Water: the Case of Lowland Ndour Ndour, Senegal. Am J Environ Prot. 2013;2(3):79-84. doi: 10.11648/j.ajep.20130203.11

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  • @article{10.11648/j.ajep.20130203.11,
      author = {Bama Nati Aïssata Delphine and Bado Boubié Vincent and Soussou Sambou and Mel Valère and Gaye Cheikh Becaye},
      title = {Anti-Salt Dam as a Means of Recovering Lowland Degraded by Sea Water: the Case of Lowland Ndour Ndour, Senegal},
      journal = {American Journal of Environmental Protection},
      volume = {2},
      number = {3},
      pages = {79-84},
      doi = {10.11648/j.ajep.20130203.11},
      url = {https://doi.org/10.11648/j.ajep.20130203.11},
      eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.ajep.20130203.11},
      abstract = {The reduction of the quantity of water that flows in the lowlands of Sine Saloun, toward the ocean, has favored saltwater intrusion. To fight against, anti-salt dikes were built. This study aimed to analyze: (1) the rainfall over the last years, in the region, in order to determine its variability likely to impact outcropping of salt. (2) The impact of the anti-salt dam on the protection and recovery of the salt lands. The level of the groundwater, standing water and salinity were monitored, during two wet seasons. The break occurred in 1967 and from this time, the rainfall started declining. The anti-salt dam slowed the progress of the seawater into the lowlands by maintaining a certain level of fresh water upstream. The most important determinant for agricultural redevelopment, in these degraded lands, is the amount of water that passes through.},
     year = {2013}
    }
    

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    AU  - Bama Nati Aïssata Delphine
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    AU  - Soussou Sambou
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    T2  - American Journal of Environmental Protection
    JF  - American Journal of Environmental Protection
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    UR  - https://doi.org/10.11648/j.ajep.20130203.11
    AB  - The reduction of the quantity of water that flows in the lowlands of Sine Saloun, toward the ocean, has favored saltwater intrusion. To fight against, anti-salt dikes were built. This study aimed to analyze: (1) the rainfall over the last years, in the region, in order to determine its variability likely to impact outcropping of salt. (2) The impact of the anti-salt dam on the protection and recovery of the salt lands. The level of the groundwater, standing water and salinity were monitored, during two wet seasons. The break occurred in 1967 and from this time, the rainfall started declining. The anti-salt dam slowed the progress of the seawater into the lowlands by maintaining a certain level of fresh water upstream. The most important determinant for agricultural redevelopment, in these degraded lands, is the amount of water that passes through.
    VL  - 2
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Author Information
  • Station Régionale du Sahel, Centre du riz pour l’Afrique (AfricaRice) , BP 96Saint Louis, Sénégal

  • Laboratoire d’Hydraulique et de Mécanique des Fluides, Université Cheikh Anta Diop, Dakar, Sénégal. BP 5005 Dakar-fann

  • Station Régionale du Sahel, Centre du riz pour l’Afrique (AfricaRice) , BP 96Saint Louis, Sénégal

  • Laboratoire d’hydrogéologie, Université Cheikh Anta Diop, Dakar, Sénégal BP 5005 Dakar-fann

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