Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid Region

Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid Region

Groundwater modelling is particularly challenging in arid regions where limited water recharge is available. A fault zone will add a significant challenge to the modelling process. The Western Desert in Iraq has been chosen to implement the modelling concept and calculate the model sensitivity to th...

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Main Authors: Sameh W. H. Al-Muqdadi, Rudy Abo, Mohammed O. Khattab, Firas M. Abdulhussein
Format: Article
Language:English
Published: MDPI AG 2020-07-01
Series:Water
Subjects:
groundwater modeling
water management
sensitivity analysis
arid region
western desert of Iraq
Online Access:https://www.mdpi.com/2073-4441/12/8/2131
id doaj-4f2e3dac44814832805b0192f5da16a1
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spelling doaj-4f2e3dac44814832805b0192f5da16a12020-11-25T03:51:30ZengMDPI AGWater2073-44412020-07-01122131213110.3390/w12082131Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid RegionSameh W. H. Al-Muqdadi0Rudy Abo1Mohammed O. Khattab2Firas M. Abdulhussein3Green Charter, Franz-Belzer Str.2, 76316 Malsch, GermanyK+S Minerals and Agriculture GmbH, Department of Environment and Geology, Hattorfer Str., 36269 Philippsthal, GermanyRemote Sensing Center, Mosul University, Mosul 41002, IraqGeology Department, College of Science, University of Baghdad, Baghdad 10070, IraqGroundwater modelling is particularly challenging in arid regions where limited water recharge is available. A fault zone will add a significant challenge to the modelling process. The Western Desert in Iraq has been chosen to implement the modelling concept and calculate the model sensitivity to the changes in aquifer hydraulic properties and calibration by researching 102 observations and irrigation wells. MODFLOW-NWT, which is a Newtonian formulation for MODFLOW-2005 approaches, have been used in this study. Further, the simulation run has been implemented using the Upstream-Weighting package (UPW) to treat the dry cells. The results show sensitivity to the change of the Kx value for the major groundwater discharge flow. Only about 7% of the models from the region can be irrigated utilizing greenhouses supported by external recharge.https://www.mdpi.com/2073-4441/12/8/2131groundwater modelingwater managementsensitivity analysisarid regionwestern desert of Iraq
collection DOAJ
language English
format Article
sources DOAJ
author Sameh W. H. Al-Muqdadi
Rudy Abo
Mohammed O. Khattab
Firas M. Abdulhussein
spellingShingle Sameh W. H. Al-Muqdadi
Rudy Abo
Mohammed O. Khattab
Firas M. Abdulhussein
Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid Region
Water
groundwater modeling
water management
sensitivity analysis
arid region
western desert of Iraq
author_facet Sameh W. H. Al-Muqdadi
Rudy Abo
Mohammed O. Khattab
Firas M. Abdulhussein
author_sort Sameh W. H. Al-Muqdadi
title Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid Region
title_short Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid Region
title_full Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid Region
title_fullStr Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid Region
title_full_unstemmed Groundwater Flow-Modeling and Sensitivity Analysis in a Hyper Arid Region
title_sort groundwater flow-modeling and sensitivity analysis in a hyper arid region
publisher MDPI AG
series Water
issn 2073-4441
publishDate 2020-07-01
description Groundwater modelling is particularly challenging in arid regions where limited water recharge is available. A fault zone will add a significant challenge to the modelling process. The Western Desert in Iraq has been chosen to implement the modelling concept and calculate the model sensitivity to the changes in aquifer hydraulic properties and calibration by researching 102 observations and irrigation wells. MODFLOW-NWT, which is a Newtonian formulation for MODFLOW-2005 approaches, have been used in this study. Further, the simulation run has been implemented using the Upstream-Weighting package (UPW) to treat the dry cells. The results show sensitivity to the change of the Kx value for the major groundwater discharge flow. Only about 7% of the models from the region can be irrigated utilizing greenhouses supported by external recharge.
topic groundwater modeling
water management
sensitivity analysis
arid region
western desert of Iraq
url https://www.mdpi.com/2073-4441/12/8/2131
work_keys_str_mv AT samehwhalmuqdadi groundwaterflowmodelingandsensitivityanalysisinahyperaridregion
AT rudyabo groundwaterflowmodelingandsensitivityanalysisinahyperaridregion
AT mohammedokhattab groundwaterflowmodelingandsensitivityanalysisinahyperaridregion
AT firasmabdulhussein groundwaterflowmodelingandsensitivityanalysisinahyperaridregion
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