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<p>Groundwater scarcity poses a major challenge to sustainable development in many developing countries, particularly in regions dependent on groundwater for domestic, agricultural, and industrial uses. This study integrates geophysical and hydrogeochemical approaches to characterize aquifer properties and water quality southeast of the Cameroon Volcanic Line in Souza city. Four geoelectric and seismoelectric profiles were acquired alongside 25 groundwater samples for hydrochemical and statistical analysis. Resistivity anomalies with low to moderate values delineate permeable sand aquifers, 10–20&#xa0;m thick, occurring at variable depths. Groundwater is generally acidic with limited salinity variation. Potassium concentrations range from 0.05 to 20.85&#xa0;mg/L, with one sample exceeding the 12&#xa0;mg/L guideline, while nitrate varies between 0.40 and 81.63&#xa0;mg/L, with 90% of samples below the WHO limit of 50&#xa0;mg/L. Hydrochemical facies (Na–Cl, Ca–Mg–Cl, and Ca–Mg–HCO<sub>3</sub>) indicate dominant rock–water interactions, and recharge is primarily driven by precipitation. Water quality is generally suitable for domestic and industrial use, while irrigation suitability is limited to peripheral areas. High concentration of nitrate and potassium levels suggest localized impacts from agricultural and municipal activities. Targeted monitoring, public awareness, and appropriate water treatment strategies are recommended to mitigate anthropogenic contamination and support sustainable groundwater management in coastal and transitional basins.</p>

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Hydrogeophysical Constraints on Fracture-Mediated Groundwater Flow and Contamination in the Southeastern Cameroon Volcanic Line

  • 期刊论文

  • 发表日期：

    2026年4月11日

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  • Kevin Zebaze,
  • Anatole Eugene Djieto Lordon,
  • Jidong Yang,
  • Engome Regina Wotany,
  • Jianping Huang,
  • Mouasso Parfaite,
  • Clotaire José Pako Perabi,
  • Arthur Paterne Mioumnde,
  • Bekoa Ateba,
  • Victor Sedziafa,
  • Christopher M. Agyingi

摘要

Groundwater scarcity poses a major challenge to sustainable development in many developing countries, particularly in regions dependent on groundwater for domestic, agricultural, and industrial uses. This study integrates geophysical and hydrogeochemical approaches to characterize aquifer properties and water quality southeast of the Cameroon Volcanic Line in Souza city. Four geoelectric and seismoelectric profiles were acquired alongside 25 groundwater samples for hydrochemical and statistical analysis. Resistivity anomalies with low to moderate values delineate permeable sand aquifers, 10–20 m thick, occurring at variable depths. Groundwater is generally acidic with limited salinity variation. Potassium concentrations range from 0.05 to 20.85 mg/L, with one sample exceeding the 12 mg/L guideline, while nitrate varies between 0.40 and 81.63 mg/L, with 90% of samples below the WHO limit of 50 mg/L. Hydrochemical facies (Na–Cl, Ca–Mg–Cl, and Ca–Mg–HCO3) indicate dominant rock–water interactions, and recharge is primarily driven by precipitation. Water quality is generally suitable for domestic and industrial use, while irrigation suitability is limited to peripheral areas. High concentration of nitrate and potassium levels suggest localized impacts from agricultural and municipal activities. Targeted monitoring, public awareness, and appropriate water treatment strategies are recommended to mitigate anthropogenic contamination and support sustainable groundwater management in coastal and transitional basins.