Abstract
Total natural and groundwater resources play the most crucial role in developing ecological, biological and socioeconomic doings. Various parameters like land use, geology, elevation, slope, lineament, lineament density, drainage density and geomorphology affect the groundwater development of recharge and its accessibility. In this research, geographical information system (GIS), remote sensing, weighted overlay analysis and analytical hierarchy process (AHP) methods have been used for groundwater prospects mapping, and identifying suitable solutions site for soil and water conservation structures. To calculate the weights were assigned to every layers component in the determination of affecting factors. The weighted overlay analysis (WOA) tool is applied to give the sub-parameter ratings based on the scientific literature. The final map of potential groundwater zone map has prepared using Arc GIS 10.1 software and AHP methods. About 49.71% of the areas fall under the 'good potential zone, 41.05% falls under the 'moderate potential zone', and 9.22% falls under the 'poor zone by using AHP technique. Groundwater potential zone map is depend on the weighted overlay analysis and analytical hierarchy process (AHP) methods. The highest GWP is located in the lower part of the basin due to the best surface runoff gathering, infiltration situations and subsurface storage volume. The present study procedure, methods and outcomes can be valuable to estimate the suitable groundwater zones parallel to improve the dry land area in the semi-arid and arid regions of India.
Highlights
Groundwater is the second greatest important source of fresh water on the earth surface and the finest for human and commercial developments and planning associated with surface water (Arabameri et al 2019).Over-exploitation of groundwater has led to declining groundwater levels and ever-increasing stress on available groundwater resources in several parts of the world as a result of the accelerated pace of development and intensive agriculture across the globe to meet increasing global food and energy demands (Fathi et al 2021; Priyan 2021).In the semi-arid region with various climatic factors affect the management of water resources (Kandekar et al 2021)
This study shows groundwater suitable zones mapping was divided into three classes: poor, moderate and good according to assigned weights, remote sensing, geographical information system (GIS) and analytical hierarchy process (AHP) techniques
The groundwater potential zones mapping is vital for groundwater recharge development
Summary
Groundwater is the second greatest important source of fresh water on the earth surface and the finest for human and commercial developments and planning associated with surface water (Arabameri et al 2019). Remote sensing and geographic information systems (GIS), with their advantages of spatial, spectral and temporal availability and manipulation of data covering vast and inaccessible zones in a short period, have become valuable tools for observing and monitoring groundwater resources within watershed areas These methods and technology have been applied to identify suitable zones and sites for groundwater exploration and development to poor aquifer zones in basaltic rock (Pande et al 2018b; Rane et al 2021). To estimate groundwater potential zones within this study area for weight assignment by AHP (Analytical Hierarchical Process)-based approach for each thematic layer and incorporate the same to classify potential groundwater zones All of these layers were integrated using the AHP technique and GIS software. The results of the study area can be helpful for the assessment of the natural resources, watershed planning and groundwater development to the agriculture production with maintaining the ecological balance in the semi-arid region. Generation of thematic layers using GIS (Lineament, Lithology, Drainage, Slope, Land use, Soil and Rainfall)
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