Conceptualization of the hydrogeological system of southern Caspian coastal aquifer of Amol - Ghaemshahr plain, Mazandaran province, Iran

Khairy, H. and Janardhana, M. R. and Etebari, B. (2013) Conceptualization of the hydrogeological system of southern Caspian coastal aquifer of Amol - Ghaemshahr plain, Mazandaran province, Iran. International Journal of Earth Sciences and Engineering, 6 (5). pp. 1222-1235.

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Abstract

Amol - Ghaemshahr plain in Mazandaran province of Northern Iran hosts a two - tier aquifer system. At places, groundwater has been induced to salinization by seawater intrusion, upconing of palaeoseawater and evapotranspiration processes thus rendering the water unusable. This paper attempts to develop a conceptual model of the hydrological system of the coastal aquifer of the Amol - Ghaemshahr plain. General Modelling System (GMS) was used to integrate log data and to construct a solid model inturn, to generate a 3D model of the hydrostratigraphy of the region. GMS borehole cross sections drawn depict three layer aquifer system- the upper unconfined, middle aquitard and the lower semiconfined aquifers. After calibration, the values of hydraulic conductivity of the upper and the middle impervious layers respectively are 1.9 - 10 m/day and 0.1 m/day, and for the bottom layer 1.9 - 10 m/day. Rivers, lateral inflow and agricultural return flow equally contribute for the recharge of the aquifer whereas the discharge from the wells is the main outflow component of the aquifer system. The construction of the conceptual hydrogeological model envisages the thickness and extent of the aquifer layers. The developed conceptual model serves as a prerequisite to develop a numerical model of the hydrologic system of the coastal aquifer of the Amol - Ghaemshahr plain. © 2013 CAFET-INNOVA TECHNICAL SOCIETY.

Item Type: Article
Uncontrolled Keywords: Iran, groundwater, Aquifers, coastal aquifer, Groundwater geochemistry, Mazandaran, salinization, Amol, Groundwater resources, Mazandaran provinces, saline intrusion, unconfined aquifer, numerical model, aquitard, Conceptual model, GMS, hydraulic conductivity, hydrogeology, Hydrogeology, Hydrostratigraphy, inflow, river flow, Salinization, stratigraphy, three-dimensional modeling
Subjects: F Earth Science > Geology
Divisions: Department of > Earth Science
Depositing User: Arshiya Kousar
Date Deposited: 15 Oct 2019 05:53
Last Modified: 15 Oct 2019 05:53
URI: http://eprints.uni-mysore.ac.in/id/eprint/8983

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