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

被引：5
|
作者：
Al-Muqdadi, Sameh W. H. [1 ]
Abo, Rudy [2 ]
Khattab, Mohammed O. [3 ]
Abdulhussein, Firas M. [4 ]
机构：
[1] Green Charter, Franz Belzer Str 2, D-76316 Malsch, Germany
[2] K S Minerals & Agr GmbH, Dept Environm & Geol, Hattorfer Str, D-36269 Philippsthal, Germany
[3] Univ Mosul, Remote Sensing Ctr, Mosul 41002, Iraq
[4] Univ Baghdad, Coll Sci, Geol Dept, Baghdad 10070, Iraq
来源：
WATER | 2020年 / 12卷 / 08期
关键词：
groundwater modeling; water management; sensitivity analysis; arid region; western desert of Iraq; RECHARGE;
D O I：
10.3390/w12082131
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
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.
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页数：14
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