Numerical Simulation of Bijar-Divandere Plain Aquifer Using MODFLOW Code and Investigation in The Effects of Drought on Its Quantitative Changes

Ghamarnia, Houshang; Enayati, Somayeh; Amini, Ata

doi:10.22034/jewe.2021.285092.1562

Document Type : Research Paper

Authors

¹ Professor, Department of Water Resources Engineering, Faculty of Agriculture, Razi University, Kermanshah, Iran

² M.Sc. Alumni, Department of Water Resource Engineering, Faculty of Agriculture, Razi University, Kermanshah, Iran

³ Assoc. Professor, Kurdistan Agricultural and Natural Resources Research and Education Center, AREEO, Sanandaj, Iran

https://doi.org/10.22034/jewe.2021.285092.1562

Abstract

In this study, quantitative changes in groundwater in Bijar-Divandere plain with MODFLOW code in GMS software were investigated. Aquifer simulation was performed for a period of six years and a monthly step from October 2010 to June 2016. The SPI annual drought index was calculated for the statistical period of 1987-2015. The results of groundwater simulation showed that during the annual simulation period, there was a decrease of about 0.5 m water level in the aquifer, the intensity of which varied in different areas. Therefore, due to the decrease and taking into account the area and the average amount of storage capacity of the aquifer, the volume of the aquifer has been reduced by about 1.3 MCM per year. The results showed that if the current management process continues, over the next few years we will see a sharp decline in the aquifer and irreparable damage. The results of SPI index also indicated that the drought situation was close to normal, which means that drought has a much lesser effect on the groundwater level of the aquifer in different years.

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Main Subjects

References

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Environment and Water Engineering

Numerical Simulation of Bijar-Divandere Plain Aquifer Using MODFLOW Code and Investigation in The Effects of Drought on Its Quantitative Changes

References

References

Volume 8, Issue 1
March 2022
Pages 15-30

Numerical Simulation of Bijar-Divandere Plain Aquifer Using MODFLOW Code and Investigation in The Effects of Drought on Its Quantitative Changes

References

References

Volume 8, Issue 1March 2022Pages 15-30

Volume 8, Issue 1
March 2022
Pages 15-30