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  '''Lire cette page en français: [[Hydrogéologie du Bénin | Hydrogéologie du Bénin]]''' [[File: flag_of_france.png  | 50px]]
 
  '''Lire cette page en français: [[Hydrogéologie du Bénin | Hydrogéologie du Bénin]]''' [[File: flag_of_france.png  | 50px]]
  
[[File:CC-BY-SA_logo_88x31.png | frame | This work is licensed under a [https://creativecommons.org/licenses/by-sa/3.0/ Creative Commons Attribution-ShareAlike 3.0 Unported License]]]
 
  
 
From the 17th to 19th century the main political entity in the area of central present-day Benin was the Kingdom of Dahomey, a military power in the region and an active participant in the trans-Atlantic slave trade. This contact with the New World has made a lasting contribution to Benin’s culture. The Kingdom of Dahomey, and the city-state of Porto-Novo on the coast, were incorporated in the colony of French Dahomey in 1894. Independence from France was won as the country of Dahomey in 1960, after which was a period of civil and military unrest, culminating in the proclamation of a Marxist-Leninist state in 1975, when the country was renamed the People’s Republic of Benin. A change to multi-party democratic political system in 1991 saw the country officially renamed the Republic of Benin.  
 
From the 17th to 19th century the main political entity in the area of central present-day Benin was the Kingdom of Dahomey, a military power in the region and an active participant in the trans-Atlantic slave trade. This contact with the New World has made a lasting contribution to Benin’s culture. The Kingdom of Dahomey, and the city-state of Porto-Novo on the coast, were incorporated in the colony of French Dahomey in 1894. Independence from France was won as the country of Dahomey in 1960, after which was a period of civil and military unrest, culminating in the proclamation of a Marxist-Leninist state in 1975, when the country was renamed the People’s Republic of Benin. A change to multi-party democratic political system in 1991 saw the country officially renamed the Republic of Benin.  
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|Fresh groundwater withdrawal (primary and secondary) (Million cubic metres/year) ||41|| ||  || ||
 
|Fresh groundwater withdrawal (primary and secondary) (Million cubic metres/year) ||41|| ||  || ||
 
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|Groundwater: entering the country (total) (Million cubic metres/year) || No data || No data || No data || No data || No data
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|Groundwater: entering the country (total) (Million cubic metres/year) || || || || ||  
 
|-
 
|-
|Groundwater: leaving the country to other countries (total) (Million cubic metres/year) || No data || No data || No data || No data || No data
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|Groundwater: leaving the country to other countries (total) (Million cubic metres/year) || || || || ||  
 
|-
 
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|Industrial water withdrawal (all water sources) (Million cubic metres/year) ||30 || || || ||  
 
|Industrial water withdrawal (all water sources) (Million cubic metres/year) ||30 || || || ||  
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This section provides a summary of the geology of Benin. More detail can be found in the references listed at the bottom of this page. Many of these references can be accessed through the [https://www.bgs.ac.uk/africaGroundwaterAtlas/atlas.cfc?method=listResults&title_search=&author_search=&category_search=&country_search=BJ&placeboolean=AND&singlecountry=1 Africa Groundwater Literature Archive].
 
This section provides a summary of the geology of Benin. More detail can be found in the references listed at the bottom of this page. Many of these references can be accessed through the [https://www.bgs.ac.uk/africaGroundwaterAtlas/atlas.cfc?method=listResults&title_search=&author_search=&category_search=&country_search=BJ&placeboolean=AND&singlecountry=1 Africa Groundwater Literature Archive].
  
The geology map on this page shows a simplified version of the geology of Benin at a national scale, based on 1:5 000 000 scale mapping (see the [[Geology | Geology resource page]] for more details).  
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The geology map on this page shows a simplified version of the geology of Benin at a national scale, based on 1:5 000 000 scale mapping (see the [[Geology | Geology resource page]] for more details). A more detailed geological map at 1:200 000 scale was produced by BRGM (1978).
  
[https://www.bgs.ac.uk/africagroundwateratlas/downloadGIS.html '''Download a GIS shapefile of the Benin geology and hydrogeology map'''].
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[[File:Benin_Geology2.png|border|center|thumb| 500px|Geology of Benin at 1:5million scale. Developed from USGS map (Persits et al. 2002). For more information on how the map was developed see the [[Geology | Geology resource page]]]]
 
 
A more detailed geological map at 1:200 000 scale was produced by BRGM (1978).
 
 
 
[[File:Benin_Geology3.png|border|center|thumb| 500px|Geology of Benin at 1:5million scale. Developed from USGS map (Persits et al. 2002). For more information on how the map was developed see the [[Geology | Geology resource page]].  [https://www.bgs.ac.uk/africagroundwateratlas/downloadGIS.html Download a GIS shapefile of the Benin geology and hydrogeology map].]]
 
  
 
{| class = "wikitable"
 
{| class = "wikitable"
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This section provides a summary of the hydrogeology of the main aquifers in Benin.  More information is available in the references listed at the bottom of this page, many of which can be accessed through the [https://www.bgs.ac.uk/africaGroundwaterAtlas/atlas.cfc?method=listResults&title_search=&author_search=&category_search=&country=BJ&placeboolean=AND&singlecountry=1 Africa Groundwater Literature Archive].
 
This section provides a summary of the hydrogeology of the main aquifers in Benin.  More information is available in the references listed at the bottom of this page, many of which can be accessed through the [https://www.bgs.ac.uk/africaGroundwaterAtlas/atlas.cfc?method=listResults&title_search=&author_search=&category_search=&country=BJ&placeboolean=AND&singlecountry=1 Africa Groundwater Literature Archive].
  
The hydrogeology map on this page shows a simplified version of the type and productivity of aquifers in Benin at a national scale(see the [[Africa Groundwater Atlas Hydrogeology Maps | Hydrogeology map]] resource page for more details).  
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The hydrogeology map on this page shows a simplified version of the type and productivity of aquifers in Benin, at 1:5 000 000 scale (see the [[Hydrogeology Map | Hydrogeology map]] resource page for more details). More detailed hydrogeological maps, at 1:500 000 scale and 1:200 000 scale, are produced by GIZ Germany/DGEau Benin (Achidi et al., 2012).  
  
[https://www.bgs.ac.uk/africagroundwateratlas/downloadGIS.html '''Download a GIS shapefile of the Benin geology and hydrogeology map'''].
+
[[File:Benin_Hydrogeology2.png | center |  thumb| 500px | Hydrogeology of Benin at 1:5million scale. For more information on how the map was developed see the [[Hydrogeology Map | hydrogeology map]] resource page]]
 
 
More detailed hydrogeological maps, at 1:500,000 scale and 1:200,000 scale, are produced by GIZ Germany/DGEau Benin (Achidi et al., 2012).
 
 
 
[[File:Benin_Hydrogeology3.png | center |  thumb| 500px | Hydrogeology of Benin at 1:5million scale. For more information on how the map was developed see the [[Africa Groundwater Atlas Hydrogeology Maps | hydrogeology map]] resource page. [https://www.bgs.ac.uk/africagroundwateratlas/downloadGIS.html Download a GIS shapefile of the Benin geology and hydrogeology map].]]
 
  
 
====Unconsolidated====
 
====Unconsolidated====
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Practica Foundation, UNICEF and Enterprise Works/VITA. 2014. [https://www.practica.org/wp-content/uploads/2014/10/BENIN_FINAL_carte_finale_A2.jpg Republique du Bénin: Etude de faisabilite des forages manuels: Carte de faisabilite finales forages manuels]. Practica/Enterprise Works/VITA/UNICEF
 
Practica Foundation, UNICEF and Enterprise Works/VITA. 2014. [https://www.practica.org/wp-content/uploads/2014/10/BENIN_FINAL_carte_finale_A2.jpg Republique du Bénin: Etude de faisabilite des forages manuels: Carte de faisabilite finales forages manuels]. Practica/Enterprise Works/VITA/UNICEF
  
'''Practica Foundation, UNICEF and Enterprise Works/VITA. 2014.''' [https://www.practica.org/wp-content/uploads/2014/10/Rapport_final_Forages_manuels_Unicef_final.pdf Republique du Bénin: Etude de faisabilite des forages manuels: Identification des zones potentiellement favorables]. Practica/Enterprise Works/VITA/UNICEF
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Practica Foundation, UNICEF and Enterprise Works/VITA. 2014. [https://www.practica.org/wp-content/uploads/2014/10/Rapport_final_Forages_manuels_Unicef_final.pdf Republique du Bénin: Etude de faisabilite des forages manuels: Identification des zones potentiellement favorables]. Practica/Enterprise Works/VITA/UNICEF
  
 
Practica Foundation, UNICEF and Enterprise Works/VITA. 2014. [https://www.practica.org/wp-content/uploads/2014/10/Identification_des_Zones_Favorables_Pour_les_Forages_Manuels_FINAL.pdf Identification des zones favorables pour les forages manuels: rapport final sur la methodologie utilise et les resultas obtenus]. Practica/Enterprise Works/VITA/UNICEF
 
Practica Foundation, UNICEF and Enterprise Works/VITA. 2014. [https://www.practica.org/wp-content/uploads/2014/10/Identification_des_Zones_Favorables_Pour_les_Forages_Manuels_FINAL.pdf Identification des zones favorables pour les forages manuels: rapport final sur la methodologie utilise et les resultas obtenus]. Practica/Enterprise Works/VITA/UNICEF
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'''WAKUTI. 1968'''. Reconnaissance géophysique et sondages mécaniques dans le Centre, Nord-Est et Nord-Ouest du Dahomey. Rapport Direction Hydraulique, Mines et Travaux Publics. Cotonou, Bénin.
 
'''WAKUTI. 1968'''. Reconnaissance géophysique et sondages mécaniques dans le Centre, Nord-Est et Nord-Ouest du Dahomey. Rapport Direction Hydraulique, Mines et Travaux Publics. Cotonou, Bénin.
 
Zevounou C, Alassane A, Kaki C, Bacharou T and Koudemekpo J. 2017. [https://www.scirp.org/journal/PaperInformation.aspx?PaperID=81033 Piezometry of the Aquifer of the Continental Terminal in the Borehole Fields of Godomey and Ouedo for the Delimitation of the Protection Areas around Boreholes of Ouedo]. Scientific Research 7(12), 1786-1800. ojg.2017.712120.
 
  
 
Zimé Mora, B M, et Mondja Chabi, T-K. 2006. Analyses statistiques des données hydrochimiques dans les régions de socle et de couvertures anciennes du Bénin : intérêt pour la compréhension des processus de minéralisation des eaux souterraines de ces régions. Mémoire de Maîtrise, 63 p. Université d’Abomey-Calavi. Bénin.
 
Zimé Mora, B M, et Mondja Chabi, T-K. 2006. Analyses statistiques des données hydrochimiques dans les régions de socle et de couvertures anciennes du Bénin : intérêt pour la compréhension des processus de minéralisation des eaux souterraines de ces régions. Mémoire de Maîtrise, 63 p. Université d’Abomey-Calavi. Bénin.

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