Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches

Césard Millogo; Issan Ki; Issoufou Ouedraogo; Samuel Nakolendoussé

doi:doi:10.11648/j.wros.20241304.12

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Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches

Césard Millogo^*

, Issan Ki, Issoufou Ouedraogo, Samuel Nakolendoussé

Published in Journal of Water Resources and Ocean Science (Volume 13, Issue 4)

Received: 11 September 2024 Accepted: 6 October 2024 Published: 31 October 2024

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Abstract

The aim of this study was to gain a better understanding of the functioning of the aquifer system and springs in the Pala basin through hydrochemical and isotopic analyses. Thirteen samples were analyzed, including two rainwater samples, three spring samples and eight borehole samples. The stable isotopic composition (²H and ¹⁸O) of rainwater shows that it is virtually unaffected by evaporation as it falls. Groundwater d-excess values are high, with an average of 11.28 ‰, and all samples have values higher than the local rainfall average of 7.99 ‰. This result suggests direct infiltration of precipitation of oceanic and slightly continental origin, through a favourable geological context. The isotopic study shows that there are two different recharge periods: a cold, wet period with a depletion in ¹⁸O and the current period. Around borehole E2, the oldest with a tritium content of 1.8 TU, recharge took place during this cold period. The other waters are the result of mixing with waters from the current period. The springs observed in the study area come from Sotouba sandstone aquifers after erosion exposed the piezometric water level in the Kou basin, hence their origin. Most of the boreholes tap the aquifers of both geological formations, which makes it difficult to distinguish the water from these two aquifers by analysis.

Published in	Journal of Water Resources and Ocean Science (Volume 13, Issue 4)
DOI	10.11648/j.wros.20241304.12
Page(s)	105-115
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

Pala, Taoudéni, Isotopic, Spring, Groundwater, Recharge

References

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Millogo, C., Ki, I., Ouedraogo, I., Nakolendoussé, S. (2024). Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches. Journal of Water Resources and Ocean Science, 13(4), 105-115. https://doi.org/10.11648/j.wros.20241304.12

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ACS Style

Millogo, C.; Ki, I.; Ouedraogo, I.; Nakolendoussé, S. Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches. J. Water Resour. Ocean Sci. 2024, 13(4), 105-115. doi: 10.11648/j.wros.20241304.12

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AMA Style

Millogo C, Ki I, Ouedraogo I, Nakolendoussé S. Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches. J Water Resour Ocean Sci. 2024;13(4):105-115. doi: 10.11648/j.wros.20241304.12

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@article{10.11648/j.wros.20241304.12,
  author = {Césard Millogo and Issan Ki and Issoufou Ouedraogo and Samuel Nakolendoussé},
  title = {Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches
},
  journal = {Journal of Water Resources and Ocean Science},
  volume = {13},
  number = {4},
  pages = {105-115},
  doi = {10.11648/j.wros.20241304.12},
  url = {https://doi.org/10.11648/j.wros.20241304.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wros.20241304.12},
  abstract = {The aim of this study was to gain a better understanding of the functioning of the aquifer system and springs in the Pala basin through hydrochemical and isotopic analyses. Thirteen samples were analyzed, including two rainwater samples, three spring samples and eight borehole samples. The stable isotopic composition (2H and 18O) of rainwater shows that it is virtually unaffected by evaporation as it falls. Groundwater d-excess values are high, with an average of 11.28 ‰, and all samples have values higher than the local rainfall average of 7.99 ‰. This result suggests direct infiltration of precipitation of oceanic and slightly continental origin, through a favourable geological context. The isotopic study shows that there are two different recharge periods: a cold, wet period with a depletion in 18O and the current period. Around borehole E2, the oldest with a tritium content of 1.8 TU, recharge took place during this cold period. The other waters are the result of mixing with waters from the current period. The springs observed in the study area come from Sotouba sandstone aquifers after erosion exposed the piezometric water level in the Kou basin, hence their origin. Most of the boreholes tap the aquifers of both geological formations, which makes it difficult to distinguish the water from these two aquifers by analysis.
},
 year = {2024}
}

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TY  - JOUR
T1  - Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches

AU  - Césard Millogo
AU  - Issan Ki
AU  - Issoufou Ouedraogo
AU  - Samuel Nakolendoussé
Y1  - 2024/10/31
PY  - 2024
N1  - https://doi.org/10.11648/j.wros.20241304.12
DO  - 10.11648/j.wros.20241304.12
T2  - Journal of Water Resources and Ocean Science
JF  - Journal of Water Resources and Ocean Science
JO  - Journal of Water Resources and Ocean Science
SP  - 105
EP  - 115
PB  - Science Publishing Group
SN  - 2328-7993
UR  - https://doi.org/10.11648/j.wros.20241304.12
AB  - The aim of this study was to gain a better understanding of the functioning of the aquifer system and springs in the Pala basin through hydrochemical and isotopic analyses. Thirteen samples were analyzed, including two rainwater samples, three spring samples and eight borehole samples. The stable isotopic composition (2H and 18O) of rainwater shows that it is virtually unaffected by evaporation as it falls. Groundwater d-excess values are high, with an average of 11.28 ‰, and all samples have values higher than the local rainfall average of 7.99 ‰. This result suggests direct infiltration of precipitation of oceanic and slightly continental origin, through a favourable geological context. The isotopic study shows that there are two different recharge periods: a cold, wet period with a depletion in 18O and the current period. Around borehole E2, the oldest with a tritium content of 1.8 TU, recharge took place during this cold period. The other waters are the result of mixing with waters from the current period. The springs observed in the study area come from Sotouba sandstone aquifers after erosion exposed the piezometric water level in the Kou basin, hence their origin. Most of the boreholes tap the aquifers of both geological formations, which makes it difficult to distinguish the water from these two aquifers by analysis.

VL  - 13
IS  - 4
ER  -

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Author Information

Césard Millogo

Applied Science and Technology Training and Research Unit, Daniel OUEZZIN-COULIBALY University, Dédougou, Burkina Faso; Geosciences and Environment Laboratory, Department of Earth Sciences, Joseph Ki-Zerbo University, Ouagadougou, Burkina Faso

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http://orcid.org/0009-0009-1859-4234
Issan Ki

Geosciences and Environment Laboratory, Department of Earth Sciences, Joseph Ki-Zerbo University, Ouagadougou, Burkina Faso

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Issoufou Ouedraogo

Geosciences and Environment Laboratory, Department of Earth Sciences, Joseph Ki-Zerbo University, Ouagadougou, Burkina Faso; Mining Engineering Department, Yembila-Abdoulaye-TOGUYENI University, Fada N'Gourma, Burkina Faso

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Samuel Nakolendoussé

Geosciences and Environment Laboratory, Department of Earth Sciences, Joseph Ki-Zerbo University, Ouagadougou, Burkina Faso

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Millogo, C., Ki, I., Ouedraogo, I., Nakolendoussé, S. (2024). Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches. Journal of Water Resources and Ocean Science, 13(4), 105-115. https://doi.org/10.11648/j.wros.20241304.12

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ACS Style

Millogo, C.; Ki, I.; Ouedraogo, I.; Nakolendoussé, S. Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches. J. Water Resour. Ocean Sci. 2024, 13(4), 105-115. doi: 10.11648/j.wros.20241304.12

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AMA Style

Millogo C, Ki I, Ouedraogo I, Nakolendoussé S. Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches. J Water Resour Ocean Sci. 2024;13(4):105-115. doi: 10.11648/j.wros.20241304.12

Copy | Download

@article{10.11648/j.wros.20241304.12,
  author = {Césard Millogo and Issan Ki and Issoufou Ouedraogo and Samuel Nakolendoussé},
  title = {Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches
},
  journal = {Journal of Water Resources and Ocean Science},
  volume = {13},
  number = {4},
  pages = {105-115},
  doi = {10.11648/j.wros.20241304.12},
  url = {https://doi.org/10.11648/j.wros.20241304.12},
  eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.wros.20241304.12},
  abstract = {The aim of this study was to gain a better understanding of the functioning of the aquifer system and springs in the Pala basin through hydrochemical and isotopic analyses. Thirteen samples were analyzed, including two rainwater samples, three spring samples and eight borehole samples. The stable isotopic composition (2H and 18O) of rainwater shows that it is virtually unaffected by evaporation as it falls. Groundwater d-excess values are high, with an average of 11.28 ‰, and all samples have values higher than the local rainfall average of 7.99 ‰. This result suggests direct infiltration of precipitation of oceanic and slightly continental origin, through a favourable geological context. The isotopic study shows that there are two different recharge periods: a cold, wet period with a depletion in 18O and the current period. Around borehole E2, the oldest with a tritium content of 1.8 TU, recharge took place during this cold period. The other waters are the result of mixing with waters from the current period. The springs observed in the study area come from Sotouba sandstone aquifers after erosion exposed the piezometric water level in the Kou basin, hence their origin. Most of the boreholes tap the aquifers of both geological formations, which makes it difficult to distinguish the water from these two aquifers by analysis.
},
 year = {2024}
}

Copy | Download

TY  - JOUR
T1  - Hydrogeological Characterisation of a Sedimentary Aquifer and Springs Near the City of Bobo-Dioulasso, Burkina Faso: Isotopic Approaches

AU  - Césard Millogo
AU  - Issan Ki
AU  - Issoufou Ouedraogo
AU  - Samuel Nakolendoussé
Y1  - 2024/10/31
PY  - 2024
N1  - https://doi.org/10.11648/j.wros.20241304.12
DO  - 10.11648/j.wros.20241304.12
T2  - Journal of Water Resources and Ocean Science
JF  - Journal of Water Resources and Ocean Science
JO  - Journal of Water Resources and Ocean Science
SP  - 105
EP  - 115
PB  - Science Publishing Group
SN  - 2328-7993
UR  - https://doi.org/10.11648/j.wros.20241304.12
AB  - The aim of this study was to gain a better understanding of the functioning of the aquifer system and springs in the Pala basin through hydrochemical and isotopic analyses. Thirteen samples were analyzed, including two rainwater samples, three spring samples and eight borehole samples. The stable isotopic composition (2H and 18O) of rainwater shows that it is virtually unaffected by evaporation as it falls. Groundwater d-excess values are high, with an average of 11.28 ‰, and all samples have values higher than the local rainfall average of 7.99 ‰. This result suggests direct infiltration of precipitation of oceanic and slightly continental origin, through a favourable geological context. The isotopic study shows that there are two different recharge periods: a cold, wet period with a depletion in 18O and the current period. Around borehole E2, the oldest with a tritium content of 1.8 TU, recharge took place during this cold period. The other waters are the result of mixing with waters from the current period. The springs observed in the study area come from Sotouba sandstone aquifers after erosion exposed the piezometric water level in the Kou basin, hence their origin. Most of the boreholes tap the aquifers of both geological formations, which makes it difficult to distinguish the water from these two aquifers by analysis.

VL  - 13
IS  - 4
ER  -

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