Assessing the effects of surface water on artificial recharge of coastal aquifers by GIS zoning maps (Case study: Ghaemshahr plain, northeastern Iran)

Document Type : Original Article

Authors

1 Geology Dept., Basic Science, Payame Noor University

2 Geology, Basic Science, Urmia University, Urmia, Iran

10.22102/jaehr.2022.335969.1280

Abstract

Background: This study aims to evaluate the status of surface water resources and the possibility of using this water in non-irrigation seasons to increase the volume of groundwater aquifers. In addition, this method can reduce the volume of aquifer reserves and land subsidence and be used to improve the quality of groundwater resources.

Method: In this study, the method of artificial feeding and determining the appropriate location for Ghaemshahr plain was investigated by examining the potential of water resources in terms of quantity and quality and then with studies and data obtained through field and laboratory studies. Then, by drawing GIS, the desired maps were prepared and the appropriate location and feeding method were selected.

Results: The most important source of nutrition in terms of quantity and quality for recharge the aquifer is the Talar River. Depending on the conditions of the study area, effective layers in location, include; Aquifer thickness, permeability, topographic slope and land use, etc. were combined by the GIS and thematic maps were prepared and analyzed. According to the importance of the specified parameters, the appropriate location was selected and the basin method for artificial feeding was implemented.

Conclusion: Hantoush, Todd and Houisman's methods have been used to determine the area of artificial feeding basins and the volume of infiltrating water in a given period. The results showed that for the study area and if these methods are used, 5 million cubic meters of surface water can be stored in the aquifer for 6 months.

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