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Hydrogeochemical Assessment of Chemical Composition of Groundwater; A Case Study of The Aptian - Albian Aquifer Within Sedimentary Basin (Nigeria)

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  • MO Eyankware

    () (Department of Geology, Faculty of Science, Ebonyi State University, Abakaliki. Nigeria)

Abstract

The research was carried out to evaluate major source influencing chemical quality of groundwater within suburban area of Abakaliki. A total of twenty one (21) groundwater samples were collected and analyzed. Parameter analyzed were; EC, pH, TDS, Cl¯, Na+, Mg2+, NO3¯, SO42¯, Ca2+, HCO3¯, K+, CO32¯ these parameter were analyzed using American Public Health Association standard method. Gibbs, Mg2+/Ca2+, End-member, Diamond field of Piper and Parson plots were used to indentify major source influencing groundwater chemistry within the study. Finding, from Gibbs plot and Mg2+/Ca2+ against Mg2+/Na+ revealed that rock dominance is the major process that control groundwater chemistry, while End-member plot showed that silicate and carbonate weathering are the two weathering process that influence groundwater chemistry within the study area. Diamond field of Piper by Lawrence and Bal-Subramanian modified, revealed that groundwater falls within High Ca + Mg & SO4 + Cl. Parson plot revealed that 65 % of groundwater falls within Ca – Mg – Cl water type, while 35 % falls within Ca – Mg – SO4. Relationship between TDS vs TH plots showed that groundwater samples fall within soft – fresh water category. The results of the geochemical survey reveal major ionic components trend in other of Mg>Ca>Na>HCO3>SO4>Cl, result reveal that there is no particular trend of ions movement in groundwater.

Suggested Citation

  • MO Eyankware, 2019. "Hydrogeochemical Assessment of Chemical Composition of Groundwater; A Case Study of The Aptian - Albian Aquifer Within Sedimentary Basin (Nigeria)," Water Conservation & Management (WCM), Zibeline International Publishing, vol. 3(2), pages 1-7, July.
  • Handle: RePEc:zib:zbnwcm:v:3:y:2019:i:2:p:1-7
    DOI: 10.26480/wcm.02.2019.01.07
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