Hydrogeochemical investigation and isotopic composition as tracers of ground water recharge in Chitipa district, Malawi
Identification
- Clé publique
- radar:r-24a7db1c148151893e2ae72c6fc7c1c1
- Auteurs
- Watson Kabaghe · Elijah M.M. Wanda · Russel Chrispine Garven Chidya · Chitsanzo Damazio · Susan Ngwira
- Année déclarée
- 2025
- Langue déclarée
- en
- Type source
- article
- Première détection
- 2026-11-14T02:43:00.789131+00:00
- Dernière observation des métadonnées
- 2026-11-14T02:43:00.789131+00:00
- Dernière vérification HTTP
- Non effectuée
Institutions déclarées par la source
University of Livingstonia · Mzuzu University · University of Malawi
Pays d’affiliation déclarés
MW
Résumé documentaire — langue originale
This study evaluated the hydrogeochemistry and stable isotopic composition of groundwater in Chitipa District, Malawi and made an assessment of seasonal recharge dynamics. Groundwater samples were collected during both dry and rainy seasons from 25 randomly selected boreholes across the Traditional Authorities Mwaulambya and Misuku. Quantitative analysis using SPSS (version 20) revealed significant seasonal variation ( p < 0.05) in electrical conductivity (EC) ranging from 202–308 µS/cm and nitrate levels rising from 0.7 to 68.6 mg/L between seasons, chloride (Cl⁻), bicarbonate (HCO₃⁻), potassium (K⁺), and calcium (Ca 2 ⁺), while pH, sodium (Na⁺), sulfate (SO₄ 2 ⁻), and magnesium (Mg 2 ⁺) remained statistically unchanged (p > 0.05). Piper diagrams and ionic dominance sequences indicated mixed groundwater types mainly Ca-Na-HCO₃ and Ca-Mg-SO₄. Dominant ions across seasons were Na⁺ > Mg 2 ⁺ > Ca 2 ⁺ > K⁺ (cations) and HCO₃⁻ > Cl⁻ > SO₄ 2 ⁻ > NO₃⁻ (anions), all within Malawi Standards. The findings suggest that seasonal recharge is influenced by precipitation and land-use practices. To protect groundwater quality, the study recommends improved sanitation infrastructure, sustainable agricultural practices, and intensified afforestation to enhance aquifer recharge.
Identifiants
- OPENALEX
- https://openalex.org/W4415963889
- DOI
- 10.1007/s43832-025-00306-x
Repères documentaires
- Famille documentaire
- article
- Types déclarés par les sources
- article
- Éditeurs
- Springer Nature
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Sources
OpenAlex · Document 1
Citer cette référence
Watson Kabaghe; Elijah M.M. Wanda; Russel Chrispine Garven Chidya; Chitsanzo Damazio; Susan Ngwira. Hydrogeochemical investigation and isotopic composition as tracers of ground water recharge in Chitipa district, Malawi. 2025. https://doi.org/10.1007/s43832-025-00306-x
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- APA
- Watson Kabaghe; Elijah M.M. Wanda; Russel Chrispine Garven Chidya; Chitsanzo Damazio; Susan Ngwira. (2025). Hydrogeochemical investigation and isotopic composition as tracers of ground water recharge in Chitipa district, Malawi. https://doi.org/10.1007/s43832-025-00306-x
- Chicago
- Watson Kabaghe; Elijah M.M. Wanda; Russel Chrispine Garven Chidya; Chitsanzo Damazio; Susan Ngwira. Hydrogeochemical investigation and isotopic composition as tracers of ground water recharge in Chitipa district, Malawi. 2025. https://doi.org/10.1007/s43832-025-00306-x
- ISO 690
- Watson Kabaghe; Elijah M.M. Wanda; Russel Chrispine Garven Chidya; Chitsanzo Damazio; Susan Ngwira. Hydrogeochemical investigation and isotopic composition as tracers of ground water recharge in Chitipa district, Malawi. 2025. https://doi.org/10.1007/s43832-025-00306-x
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Source bibliographique / publication d’origine · https://doi.org/10.1007/s43832-025-00306-x
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