10. KEY FACTORS DOMINATING THE GROUNDWATER CHEMICAL COMPOSITION IN BA RIA - VUNG TAU PROVINCE

Thanh Dong Uyen, Tru Nguyen Cong, Chan Ngo Duc

Giới thiệu

In Ba Ria - Vung Tau province, this study has determined that the dominant factors influencing the hydro-chemical composition of fractured aquifers are the replenishment of meteoric water, coupled with the processes of dissolution and leaching of Ca2+ and Mg2+ from weathered basaltic rocks (olivine and plagioclase minerals). Additionally, the exchange process contributes to the enrichment of Na+ by replacing Ca2+ and Mg2+. In porous aquifers, the central-to-sea cross-section highlights meteoric water dominance from rain and surface sources. Groundwater undergoes exchange-absorption with silicate minerals, enriching Ca2+ and Mg2+ (reducing Na+). Seaward, dissolution and leaching of salts in marine-origin sediments (mQ2, mQ13, mQ12-3, and mN22) prevail. The results of this paper provide necessary information for the effective management of groundwater quality.

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Trích dẫn

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Các tác giả

Thanh Dong Uyen
duthanh@hcmut.edu.vn (Liên hệ chính)
Tru Nguyen Cong
Chan Ngo Duc
Dong Uyen, T., Nguyen Cong, T., & Ngo Duc, C. (2023). 10. KEY FACTORS DOMINATING THE GROUNDWATER CHEMICAL COMPOSITION IN BA RIA - VUNG TAU PROVINCE. Tạp Chí Khoa học Tài Nguyên Và Môi trường, (49), 91–102. Truy vấn từ http://tapchikhtnmt.hunre.edu.vn/index.php/tapchikhtnmt/article/view/547
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