Amro Elfeki

groundwater stochastic modelling hydrology contaminant transport arid regions flash floods markov chains kingdom of saudi arabia landfill geohydrology urban flooding random walk water resources fluid flow simulation boreholes pollution transport flood risk sustainable water resources in arid regions. subsurface characterization geological heterogeneity uncertainty contamination time series well hydraulics flood modelling particle tracking aquifers contaminant plumes spatial moments conditioning plume statistics reducing uncertainty spatio temporal rainfall analysis dispersion monitoring wells stochastic models qanats gis ksa transport models animation flow and transport in porous media saudi arabia jeddah city tracer injection radial flow predictions 2030 recharge infiltration adsorption sources of pollution superposition theory method of images water surface profiles numerical integration prismatic channels gradually varied flow open channel mitigation of floods quick analysis flash flood arid region dam break theory hecras wms wadi qows risk management computing software wadi al-lith theory of unit hydrograph hydrograph empirical equations summation random numbers normal distribution convergence central limit theorem wadi system transmission losses rainfall harvesting culverts architecture frames syphons earth works steel slabs beams bridges concrete structures walls tail escapes hydraulic structures macro-dispersion heterogenity probabilistic modeling multi scales tree-indexed markov chains heterogeneous structures two state random walk interactive porous sediments transient processes multiple scale heterogeity modeling subsurface heterogenity walther’s law entropy insufficient geological information made site concentration transport ains 2d flow heterogeneous subsurface the nethelands conditioning on borehols geo-statistics coupled markov chain geological structures research society services university education tidal motion oil spill detection wells wadi fatima unsteady groundwater flow modeling field experiment time dependent problems underground dams groundwater modelling leakage heterogeneity plume detection subsurface heterogeneity soft and hard information geological uncertainty tides solute transport unsteady groundwater oscillatory motion monthly rainfall modelling uncertainty analysis diffusive waves oil spil goundwater red sea contamination by petrol groudnwater models wastewater lake satellite images sand box transient flow spectral density function autocorrelation climate variability modelling rainfall engineering education