Abstract
Analysis of the Groundwater flow can help to understand future water potential. This study has explored the predicted groundwater flow dynamics with climate change and anthropogenic stress in Hormat-Golina Sub-basin. Groundwater flow modeling in this Sub-basin has provided information about groundwater quantity as well as the quality aspect for decision-makers about groundwater accessibility. The initial head measured values before and after irrigation season has varied to a maximum of 0.8 m. The groundwater head level before and after irrigation season was varying from 9.3 m to 8.26 m in the Southern boundary. The groundwater head was obtained from 41.5 m to 38.83 m in the northwestern of the Sub-basin. The maximum drawdown depth had found to 0.27 m and 2.6 m before and after irrigated season around the pumped wells. The increased pumping rate with decreased recharge rate was replying to the groundwater head at the end of 2021 decreased by 2.81 m in the northwestern boundary of the Sub-basin as compared as using constant pumping rate with recharge rate. While decreased pumping with increased recharge rate was replying to the groundwater head at the end of 2021 has increased by 2.23 m in the northwestern boundary of the Sub-basin as compared as using constant pumping rate. The impacts of climate change and human pressure on groundwater begot as the threats in those supply wells. Decreased pumping with increased recharge rate was accomplishing to restore and protect the groundwater resources, which is the best option for groundwater restoration and monitoring.
Highlights
Groundwater in many parts of the world is at risk because of increasing demands, mismanagement, and contamination with anthropogenic activities
This study has developed on the groundwater fluctuation to human pressure and climate change
The groundwater head in Hormat-Golina Sub-basin had analyzed by different stress periods
Summary
Groundwater in many parts of the world is at risk because of increasing demands, mismanagement, and contamination with anthropogenic activities. Climate change can alter the global hydrological cycle in terms of distribution and availability of regional water sources. Human pressure deals with overconsumption of groundwater by pumping can distort the natural recharge-discharge equilibrium [7]. All groundwater studies had not been explored in the previous through the predicted groundwater flow dynamics concerning climate change and anthropogenic stress. This study has developed on the groundwater fluctuation to human pressure and climate change. The present study has initiated to quantify the groundwater head and its respected drawdown level in Hydrology 2021; 9(2): 48-55 irrigated and non-irrigated season. Due to the lack of continuously recorded data of this groundwater head and its prediction was developed by considering human interference and natural conditions as a scenario-based analysis
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