Modeling of groundwater resources in Sirjan Basin using the dynamics systems method

Pourkhosravani, Mohsen; Jamshidi Gohari, Fatemeh; Sayari, Nasrin; Abedzadeh, Saeedeh

doi:10.22111/jneh.2022.42067.1893

Modeling of groundwater resources in Sirjan Basin using the dynamics systems method

Document Type : Research Article

Authors

¹ Associate Professor Department of Geography Shahid Bahonar University of Kerman, Kerman, Iran

² MA student of natural hazard, Department of Geography Shahid Bahonar University of Kerman, Kerman, Iran

³ Assistant Pprofessor Department of Water engineering. Faculty of Agriculture. Shahid Bahonar University of Kerman, Kerman, Iran

⁴ Master scientist of Water Resources Engineering, graduated from Department of Irrigation and Drainage Engineering, Aburaihan Campus, University of Tehran, Tehran, Iran

10.22111/jneh.2022.42067.1893

Abstract

Due to the scarcity of surface water resources, groundwater plays an important role in human life, especially in arid and semi-arid regions. Since more than 60% of Iran is arid and semi-arid regions, the water supply in these areas, and especially the study area, depends on groundwater resources, so over-extraction of these valuable resources causes many crises. Therefore, modeling of these sources was considered by many researchers as well as the present study. This study tries to evaluate the stability of the aquifer in the future. Also, investigate the factors affecting the instability of groundwater resources in the study area. For this purpose, the study area was modeled using the dynamics method of systems, resources, and water consumption. Then, the results of model validation were presented using limit condition tests and sensitivity analysis. After determining the degree of reliability of the model, the scenarios were explained and the model was implemented to predict the groundwater level in the coming years. In the end, the sustainability index was calculated in each scenario, to examine the status of water sustainability in the coming years. The results of limit condition tests and sensitivity analysis showed that the model was in good agreement with reality. Also, after applying the scenarios, the results showed that the aquifer will become more unstable as the current situation continues. Agricultural consumption is one of the variables affecting the resource and consumption model, so by reducing this variable, the amount of sustainability will improve.

Keywords

Main Subjects

Environmental Management

References

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