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6 Result(s)

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  1. No Access

    Article

    Land subsidence and groundwater storage change assessment using InSAR and GRACE in the arid environment of Saudi Arabia

    Najran region in Saudi Arabia has been affected by groundwater storage decline and consequent land subsidence for a long period of time. In this study, we utilized Sentinel-1 data for ground surface map**, t...

    Esubalew Adem, Roman Shults, Muhammad Ukasha, Amro Elfeki… in Natural Hazards (2024)

  2. No Access

    Article

    Dam break analysis and flood disaster simulation in arid urban environment: the Um Al-Khair dam case study, Jeddah, Saudi Arabia

    This study used a simulation methodology for dam break analysis and flood simulation in an urbanized arid region, namely Um Al-Khair dam in Jeddah, Saudi Arabia. The analysis was performed using the 2011 rainf...

    Olayinka Azeez, Amro Elfeki, Ahmed Samy Kamis, Anis Chaabani in Natural Hazards (2020)

  3. No Access

    Article

    Integrated rainfall–runoff and flood inundation modeling for flash flood risk assessment under data scarcity in arid regions: Wadi Fatimah basin case study, Saudi Arabia

    This paper presents a proposed integrated approach for flood hazardous evaluation in arid and semi-arid areas. Wadi Fatimah in Saudi Arabia is utilized for implementation of such an approach. The approach cons...

    Amro Elfeki, Milad Masoud, Burhan Niyazi in Natural Hazards (2017)

  4. Article

    Open Access

    Understanding the Non-Gaussian Nature of Linear Reactive Solute Transport in 1D and 2D

    In the present study, we examine non-Gaussian spreading of solutes subject to advection, dispersion and kinetic sorption (adsorption/desorption). We start considering the behavior of a single particle and appl...

    Gerard Uffink, Amro Elfeki, Michel Dekking, Johannes Bruining… in Transport in Porous Media (2012)

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  5. No Access

    Article

    A Markov Chain Model for Subsurface Characterization: Theory and Applications

    This paper proposes an extension of a single coupled Markov chain model to characterize heterogeneity of geological formations, and to make conditioning on any number of well data possible. The methodology is ...

    Amro Elfeki, Michel Dekking in Mathematical Geology (2001)

  6. No Access

    Article

    Multi-Scale and Multi-Resolution Stochastic Modeling of Subsurface Heterogeneity by Tree-Indexed Markov Chains

    A new methodology is proposed to handle multi-scale heterogeneous structures. It can be of importance in the field of hydrogeology and for petroleum engineers who are interested in characterizing subsurface he...

    Michel Dekking, Amro Elfeki, Cor Kraaikamp, Johannes Bruining in Computational Geosciences (2001)