MODELING OF GROUNDWATER LEVEL CHANGES DUE TO DEEP WELL EXTRACTION USING MODFLOW IN THE NORTH OF BANDAR LAMPUNG
DOI:
https://doi.org/10.11113/aej.v13.18310Keywords:
Deep well extraction, drawdown, groundwater modeling, MODFLOW, ModelMuseAbstract
The growth rate of urban areas in the north of Bandar Lampung has caused the extraction of groundwater resources through deep well pumping to increase. Therefore, it is necessary to study the impact of pumping to prevent groundwater depletion. This study performs numerical simulation modeling to identify the impact of deep well pumping on changes in groundwater levels in three sub-districts north of Bandar Lampung city. Modeling is done using MODFLOW-6 and ModelMuse as a graphical user interface (GUI). The simulation method uses steady-state and transient models with four stress periods in 2000, 2010, 2020, and 2030. A total of 30 data wells are used for model setup, and 15 of them as observation and validation points. The simulation results show that hydraulic head changes occur at depths of 10 m to more than 40 m. Drawdown and groundwater head changes are concentrated at deep well points with a radius of up to 1 km. The model also successfully identified a decrease in groundwater level to more than 8 m in the deepest well area DW1. Thus, it is necessary to take action that can overcome the impact of changes in groundwater level due to pumping from deep wells. Furthermore, groundwater storage engineering can be one solution by utilizing rainwater harvesting technology to recharge the groundwater aquifer system.
References
Elshall, A. S., Castilla-Rho, J., El-Kadi, A. I., Holley, C., Mutongwizo, T., Sinclair, D. and Ye, M. 2021. Sustainability of Groundwater. In Imperiled: The Encyclopedia of Conservation. 3: 157166. DOI: https://doi.org/10.1016/b978-0-12-821139-7.00056-8
Akter, A. and Ahmed, S. 2021. Modeling of groundwater level changes in an urban area. Sustainable Water Resources Management. 7(7): 1-20. DOI: https://doi.org/10.1007/s40899-020-00480-x
Rustadi, Darmawan, I. G. B., Haerudin, N., Suharno and Setiawan, A. 2021. Geophysical approach for assessment of seawater intrusion in the coastal aquifer of Bandar Lampung, Indonesia. IOP Conf. Series: Materials Science and Engineering. 1173: 1–8.
Foster, T., Brozović, N. and Speir, C. 2017. The buffer value of groundwater when well yield is limited. Journal of Hydrology. 547: 638-649. DOI: https://doi.org/10.1016/j.jhydrol.2017.02.034
Alfarrah, N. and Walraevens, K. 2018. Groundwater overexploitation and seawater intrusion in coastal areas of arid and semi-arid regions. Water. 10(2): 143. DOI: https://doi.org/10.3390/w10020143
Das, S., Maity, P. K. and Das, R. 2018. Remedial Measures for Saline Water Ingression in Coastal Aquifers of South West Bengal in India. MOJ Ecology & Environmental Sciences. 3(1): 6–24.
DOI: https://doi.org/10.15406/mojes.2018.03.00061
Lan, Y., Jin, M., Yan, C. and Zou, Y. 2015. Schemes of groundwater exploitation for emergency water supply and their environmental impacts on Jiujiang City,China. Environmental Earth Sciences: 73(5): 2365-2376. DOI: https://doi.org/10.1007/s12665-014-3586-x
Halder, S., Roy, M. B. and Roy, P. K. 2020. Analysis of groundwater level trend and groundwater drought using Standard Groundwater Level Index: a case study of an eastern river basin of West Bengal, India. SN Applied Sciences. 2(3). 507 DOI: https://doi.org/10.1007/s42452-020-2302-6
Khadri, S. F. R. and Pande, C. 2016. Ground water flow modeling for calibrating steady state using MODFLOW software: a case study of Mahesh River basin, India. Modeling Earth Systems and Environment. 2(1). 39. DOI: https://doi.org/10.1007/s40808-015-0049-7
Aghlmand, R. and Abbasi, A. 2019. Application of MODFLOW with boundary conditions analyses based on limited available observations: A case study of Birjand plain in East Iran. Water (Switzerland). 11(9). 1904. DOI: https://doi.org/10.3390/w11091904
Arumugam, K., Karthika, T., Elangovan, K., Sangeetha, R. K. and Vikashini, S. 2020. Groundwater modelling using visual modflow in Tirupur region, Tamilnadu, India. Nature Environment and Pollution Technology. 19(4): 1423-1433 DOI: https://doi.org/10.46488/NEPT.2020.v19i04.008
Dawes, W., Ali, R., Varma, S., Emelyanova, I., Hodgson, G. and McFarlane, D. 2012. Modelling the effects of climate and land cover change on groundwater recharge in south-west Western Australia. Hydrology and Earth System Sciences. 16(8). 2709-2722. DOI: https://doi.org/10.5194/hess-16-2709-2012
Susilo, G. E. and Prayogo, T. B. 2019. Rainwater Harvesting as An Alternative Source of Domestic Water in Lampung Province - Indonesia. TATALOKA. 21(2): 305-313 DOI: https://doi.org/10.14710/tataloka.21.2.305-313
Yuwono, S. B., Sinukaban, N., Murtilaksono, K. and Sanim, B. 2013. Land Use Planning of Way Betung Watershed for Sustainable Water Resources Development of Bandar Lampung City. Journal of Tropical Soils. 16(1): 77-84. DOI: https://doi.org/10.5400/jts.2011.v16i1.77-84
Wiyono, M. B. and Adji, T. N. 2021. Analysis of Groundwater Quality for Clean Water Supply in Pasaran Island, Bandar Lampung City, Indonesia. Forum Geografi. 35(1): 28-37 DOI: https://doi.org/10.23917/forgeo.v35i1.12270
Zaenudin, A., Darmawan, I. G. B., Armijon, Minardi, S. and Haerudin, N. 2018. Land subsidence analysis in Bandar Lampung City based on InSAR. Journal of Physics: Conference Series. 1080(1): 1–7. DOI: https://doi.org/10.1088/1742-6596/1080/1/012043
Zaenudin, A., Darmawan, I. G. B. and Laimeheriwa, G. 2020. 2D Gravity Qualitative Modeling to Identify Bedrock and Volcanic Rocks in South Lampung Region. Jurnal Ilmiah Pendidikan Fisika Al-Biruni. 9(1): 161–175. DOI: https://doi.org/10.24042/jipfalbiruni.v9i1.5859
Ali, S., Maharani, L. and Untari, D. T. 2019. Development of religious tourism in Bandar Lampung, Indonesia. African Journal of Hospitality, Tourism and Leisure. 8(5): 1-8
May, L. F., Abdurrahman, A., Hariri, H., Sowiyah, S. and Rahman, B. 2020. The Influence of Principal Managerial Competence on Teacher Performance at Schools in Bandar Lampung. Tadris: Jurnal Keguruan Dan Ilmu Tarbiyah. 5(1): 121-130 DOI: https://doi.org/10.24042/tadris.v5i1.5391
Mangga, S. A., Amirudin, Suwarti, T., Gafoer, S. and Sidarto. 1993. Geological Map of Tanjungkarang, Sumatra. Bandung: Geological Research and Development Centre.
Kusumastuty, N. A. E., Manik, T. K. and Timotiwu, P. B. 2021. Identification of temperature and rainfall pattern in Bandar Lampung and the 2020-2049 projection. IOP Conference Series: Earth and Environmental Science. 739: 012045 DOI: https://doi.org/10.1088/1755-1315/739/1/012045
Langevin, C. D., Hughes, J. D., Banta, E. R., Provost, A. M., Niswonger, R. G. and Panday, S. 2021. MODFLOW 6 Modular Hydrologic Model version 6.2.2. U.S. Geological Survey Software Release. DOI: https://doi.org/https://doi.org/10.5066/F76Q1VQV
Winston, R. B. 2020. ModelMuse version 4.3. U.S. Geological Survey Software Release. DOI: https://doi.org/https://doi.org/10.5066/P9XMX92F
Bizhanimanzar, M., Leconte, R. and Nuth, M. 2020. Catchment-scale integrated surface water-groundwater hydrologic modelling using conceptual and physically based models: A model comparison study. Water (Switzerland). 12(2): 363 DOI: https://doi.org/10.3390/w12020363
Varalakshmi, V., Venkateswara Rao, B., SuriNaidu, L. and Tejaswini, M. 2014. Groundwater Flow Modeling of a Hard Rock Aquifer: Case Study. Journal of Hydrologic Engineering. 19(5): 877–886. DOI: https://doi.org/10.1061/(asce)he.1943-5584.0000627
Kuang, X., Jiao, J. J., Zheng, C., Cherry, J. A. and Li, H. 2020. A review of specific storage in aquifers. Journal of Hydrology. 581: 124383.
DOI: https://doi.org/10.1016/J.JHYDROL.2019.124383
Manik, T. K., Rosadi, R. B. and Karyanto, A. 2012. Evaluation of Penman-Monteith Method in Estimating Standard Evapotranspiration (ET0 ) in Lowland Area of Lampung Province, Indonesia. Jurnal Keteknikan Pertanian. 26(2): 121–128.
Asnaning, A. R., Surya, S., Saputra, A. E. and Ahyuni, D. 2019. Water Conservation with Rainwater Harvesting System in Lampung Province (Case Study in State Polytechnic of Lampung Campus Area). Journal of Science and Application Technology. 2(1): 176 - 182 DOI: https://doi.org/10.35472/281453
Sulistyiorini, R. 2020. Alternative Handling of Infrastructure Problems for Bandar Lampung City's Clean Water Needs Through Rainwater Harvesting. Jurnal Sinergi. 1(1): 18-24 DOI: https://doi.org/10.23960/jsi.v1i1.3
