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dc.contributor.authorPanda, B.
dc.contributor.authorChidambaram, S.
dc.contributor.authorGanesh, N.
dc.contributor.authorAdithya, V.
dc.contributor.authorPrasanna, Mohan Viswanathan
dc.contributor.authorPradeep, K.
dc.contributor.authorVasudevan, U.
dc.identifier.citationPanda, B. and Chidambaram, S. and Ganesh, N. and Adithya, V. and Prasanna, M.V. and Pradeep, K. and Vasudevan, U. 2017. A hydrochemical approach to estimate mountain front recharge in an aquifer system in Tamilnadu, India. Acta Geochimica: pp. 1-24.

© 2017 Science Press, Institute of Geochemistry, CAS and Springer-Verlag GmbH Germany Mountain-front recharge (MFR) is a process of recharging an aquifer by infiltration of surface flow from streams and adjacent basins in a mountain block and along a mountain front (MF). This is the first attempt in India to estimate MFR along the foothills of Courtallam using hydrogeochemistry and geostatistical tools. The estimation of MFR has been carried out by collecting groundwater samples along the foothills of Courtallam. Collected water samples were analyzed for major cations and anions using standard procedures. Hydrogeochemical facies show the existence of four water types in this region. Calcium-rich water derived from gneissic rock terrain indicates significant recharge from higher elevation. Log pCO 2 and ionic strength of the samples were also calculated to identify the geochemical process. Majority of the collected samples have sodium-rich water and weak ionic strength, which indicate foothill recharge and low residence time. Silicate and carbonate weathering have an equal interplay along the foothills with a relatively large fraction of Mg from the MF. The spatial diagrams of three factors show that the southern part of the study area is dominated by both weathering and anthropogenic processes, whereas the northern part is dominated by both leaching and weathering processes. Thus, the dominant weathering process represented by the second factor indicates the large recharge process along the foothills.

dc.titleA hydrochemical approach to estimate mountain front recharge in an aquifer system in Tamilnadu, India
dc.typeJournal Article
dcterms.source.titleActa Geochimica
curtin.departmentCurtin Malaysia
curtin.accessStatusFulltext not available

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