Coupled effect of seawater intrusion on groundwater quality: study of South-West zone of Surat city | Zendy

Ankit N. Chaudhari | Zendy; Darshan Mehta | Zendy; Neeraj Sharma | Zendy

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Coupled effect of seawater intrusion on groundwater quality: study of South-West zone of Surat city

Author(s) -

Ankit N. Chaudhari,

Darshan Mehta,

Neeraj Sharma

Publication year - 2021

Publication title -

water science and technology water supply

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.318

H-Index - 39

eISSN - 1607-0798

pISSN - 1606-9749

DOI - 10.2166/ws.2021.323

Subject(s) - modflow , groundwater , aquifer , saltwater intrusion , seawater , hydrology (agriculture) , environmental science , water quality , groundwater model , groundwater flow , groundwater discharge , seawater intrusion , geology , oceanography , geotechnical engineering , ecology , biology

Groundwater quality is a major problem for humanity since it is closely related to human health. The flow of seawater into freshwater aquifers is known as saltwater intrusion, and it can lead to groundwater quality contamination, including drinking water. Due to the extremely severe hydraulic interface between groundwater and seawater, saltwater intrusion can happen naturally in coastal aquifers. The aim of the study is to examine the status of seawater intrusion within the study region of the South-West zone of Surat city, Gujarat. The present study evaluates Groundwater Quality Index using a weighted arithmetic method including various chemical ions. The South-West zone of Surat city is located along the coast; seawater infiltration has a significant impact on the groundwater in the state. The conceptual model will be developed and analyzed using MODFLOW to analyze the effects of seawater intrusion analysis. The model domain is characterized by three hydro-stratographic layers and covers an area of approximately 110 km2 in a 400 m × 400 m grid size. An analytical study with MODFLOW would be carried out for three-dimensional groundwater flows with species of solute transport. This study would help profile the study area regarding groundwater quality.

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