Amro Elfeki
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View article: Interpretation of Natural Resources Conservation Service Curve Number (NRCS-CN) from Field Observations of Rainfall and Runoff Events in the Arid Environment of Saudi Arabia
Interpretation of Natural Resources Conservation Service Curve Number (NRCS-CN) from Field Observations of Rainfall and Runoff Events in the Arid Environment of Saudi Arabia Open
View article: Hydrological Shifts Under Climate Change: Current and Future Water Dynamics of Al-Madinah Al-Munawarah
Hydrological Shifts Under Climate Change: Current and Future Water Dynamics of Al-Madinah Al-Munawarah Open
View article: Simulation of urban flooding using 3D computational fluid dynamics with turbulence model
Simulation of urban flooding using 3D computational fluid dynamics with turbulence model Open
An alarming increase in the frequency of extreme rainfall events necessitates advanced flood risk reduction methods. This study uses ANSYS Fluent to simulate the 'Model urban city' flow experiment, comparing aligned and staggered urban lay…
View article: SWAT-Driven Exploration of Runoff Dynamics in Hyper-Arid Region, Saudi Arabia: Implications for Hydrological Understanding
SWAT-Driven Exploration of Runoff Dynamics in Hyper-Arid Region, Saudi Arabia: Implications for Hydrological Understanding Open
Hydrological modeling plays a vital role in water-resource management and climate-change studies in hyper-arid regions. In the present investigation, surface runoff was estimated by a Soil and Water Assessment Tool (SWAT) model for Wadi Al…
View article: Hydrogeological mapping of fracture networks using earth observation data to improve rainfall–runoff modeling in arid mountains, Saudi Arabia
Hydrogeological mapping of fracture networks using earth observation data to improve rainfall–runoff modeling in arid mountains, Saudi Arabia Open
Rainfall–runoff modeling is essential for the hydrological analysis of basins; however, the traditional modeling approach does not incorporate geological features such as fractures and fissures in the modeling task. These features are sign…
View article: Impact of Satellite Precipitation Estimation Methods on the Hydrological Response: Case studies Wadi Nu’man Basin, Saudi Arabia
Impact of Satellite Precipitation Estimation Methods on the Hydrological Response: Case studies Wadi Nu’man Basin, Saudi Arabia Open
Accurately estimating precipitation is essential for managing water resources and assessing hydrological systems, particularly in small basins. The main goal of the current study is to determine how different methods for estimating precipi…
View article: Hydrological assessment of some old dams in Saudi Arabia under the current climate, environmental conditions, and the use of the advanced technology
Hydrological assessment of some old dams in Saudi Arabia under the current climate, environmental conditions, and the use of the advanced technology Open
Dams were built in Saudi Arabia (SA) starting from the late fifties. The rainfall record at that time is rather short since the early rainfall records in the study area were in the mid-sixties. Therefore, due to the recent changes in clima…
View article: Modeling Aquifer Responses from Flash Flood Events through Ephemeral Stream Beds: Case Studies from Saudi Arabia
Modeling Aquifer Responses from Flash Flood Events through Ephemeral Stream Beds: Case Studies from Saudi Arabia Open
The determination of groundwater recharge (GWR) with an appropriate method is among the main subjects of groundwater resource management. This research is an event-scale quantitative assessment and a development of a water balance model of…
View article: Hydrochemistry and its relationship with groundwater flow and geology in Al Madinah Al Munawarah Province, Kingdom of Saudi Arabia
Hydrochemistry and its relationship with groundwater flow and geology in Al Madinah Al Munawarah Province, Kingdom of Saudi Arabia Open
Study region: A detailed study was performed in Al-Madinah Al-Munawarah Province, Kingdom of Saudi Arabia Study focus: Groundwater quality and availability are a serious concern in this aquifer owing to aridity, high-water demand and the a…
View article: Stochastic Rational Method for Estimation of Flood Peak Uncertainty in Arid Basins: Comparison between Monte Carlo and First Order Second Moment Methods with a Case Study in Southwest Saudi Arabia
Stochastic Rational Method for Estimation of Flood Peak Uncertainty in Arid Basins: Comparison between Monte Carlo and First Order Second Moment Methods with a Case Study in Southwest Saudi Arabia Open
The flood peak is commonly estimated using the rational method for the design of hydraulic structures. The method is mainly used in a deterministic context. However, there is often uncertainty in flood predictions, which should be incorpor…
View article: Modeling variability of infiltration tests in ephemeral stream beds as a random function for uncertainty quantification
Modeling variability of infiltration tests in ephemeral stream beds as a random function for uncertainty quantification Open
Infiltration processes are highly variable in space and time, and therefore, building reliable hydrological models without considering the variability is questionable. In this research, we propose a methodology that can systematically hand…
View article: Evaluation of the Time of Concentration Models for Enhanced Peak Flood Estimation in Arid Regions
Evaluation of the Time of Concentration Models for Enhanced Peak Flood Estimation in Arid Regions Open
The uncertainties in the time of concentration (Tc) model estimate from contrasting environments constitute a setback, as errors in Tc lead to errors in peak discharge. Analysis of such uncertainties in model prediction in arid watersheds …
View article: Spatiotemporal analysis of monthly rainfall over Saudi Arabia and global teleconnections
Spatiotemporal analysis of monthly rainfall over Saudi Arabia and global teleconnections Open
This research focuses on extracting the statistical features, in space and time, of the monthly rainfall in Saudi Arabia (SA) and the relation to the large-scale atmospheric variability through teleconnection for strategic water resources …
View article: Integrated Surface Water and Groundwater Modeling in Arid Environment, Al-Lusub Watershed, Saudi Arabia
Integrated Surface Water and Groundwater Modeling in Arid Environment, Al-Lusub Watershed, Saudi Arabia Open
Coupling surface and groundwater for a better understanding of the hydrologic response in arid basins is essential for managing water resources. The study aims to integrate surface water (SW) and groundwater (GW) modeling in an arid enviro…
View article: Assessment of dams’ efficiency under the effect of climate change and urban expansion: Brayman Dam (Case Study)
Assessment of dams’ efficiency under the effect of climate change and urban expansion: Brayman Dam (Case Study) Open
This paper analyzes the effect of climate change and urbanization on the efficiency of dams that have been built to protect Jeddah city in Saudi Arabia from severe floods. Brayman dam is considered a case study. Several data have been coll…
View article: Optimum parametrization of the soil conservation service (SCS) method for simulating the hydrological response in arid basins
Optimum parametrization of the soil conservation service (SCS) method for simulating the hydrological response in arid basins Open
The use of the soil conservation service (SCS) curve number (CN) model for estimation of the rainfall excess and the SCS-unit hydrograph (UH) model are common tools for flood studies in arid regions. In this research, we are investigating …
View article: A Comparative Analysis of Infiltration Models for Groundwater Recharge from Ephemeral Stream Beds: A Case Study in Al Madinah Al Munawarah Province, Saudi Arabia
A Comparative Analysis of Infiltration Models for Groundwater Recharge from Ephemeral Stream Beds: A Case Study in Al Madinah Al Munawarah Province, Saudi Arabia Open
Groundwater recharge is strongly influenced by the infiltration process. In this research, the Philip, Horton, Kostiakov, and Green–Ampt infiltration models were tested for the ability to describe the infiltration process in the ephemeral …
View article: Affinity Propagation Approach for Catchment Classification Applied to Arid Catchments
Affinity Propagation Approach for Catchment Classification Applied to Arid Catchments Open
One of the major issues in the arid region is the availability of hydrological data for hydrological studies of the basins for water resources projects. Since the Kingdom of Saudi Arabia (KSA) is a huge country and contains many arid basin…
View article: Analysis and Numerical Simulation of Single-Well Tracer Test in Homogeneous, Layered and Slightly Tilted Formation.(Dept.C)
Analysis and Numerical Simulation of Single-Well Tracer Test in Homogeneous, Layered and Slightly Tilted Formation.(Dept.C) Open
View article: Transient Groundwater Flow in Heterogeneous Geological Formations.(Dept.C)
Transient Groundwater Flow in Heterogeneous Geological Formations.(Dept.C) Open
View article: Spatiotemporal geostatistical modeling of groundwater in arid region during dry and wet seasons: a case study The Experimental Station at Hadat Ash-Sham Farm, Saudi Arabia
Spatiotemporal geostatistical modeling of groundwater in arid region during dry and wet seasons: a case study The Experimental Station at Hadat Ash-Sham Farm, Saudi Arabia Open
Saudi Arabia lies in an arid region where groundwater has become main resource. Due to the increase of water demand; therefore, it is essential to understand groundwater dynamics for the best groundwater management practice in Saudi Arabia…
View article: Analysis of maximum flood records in the arid environment of Saudi Arabia
Analysis of maximum flood records in the arid environment of Saudi Arabia Open
A collection of rainfall data and flood records for ephemeral channels in the Kingdom of Saudi Arabia (KSA) provided a unique opportunity to analyze the extreme records in such arid environment. Data of 3121 records were collected. A regio…
View article: Correction to: Statistical analysis of NRCS curve number (NRCS-CN) in arid basins based on historical data
Correction to: Statistical analysis of NRCS curve number (NRCS-CN) in arid basins based on historical data Open
View article: Developing a geomorphological instantaneous unit hydrograph (GIUH) using equivalent Horton-Strahler ratios for flash flood predictions in arid regions
Developing a geomorphological instantaneous unit hydrograph (GIUH) using equivalent Horton-Strahler ratios for flash flood predictions in arid regions Open
The Horton-Strahler ratios are important to describe the stream network and to identify the hydrologic response of a basin using the GIUH concept. These ratios are often sensitive to the selected threshold area for the extraction of the st…
View article: Flash flood risk assessment in urban arid environment: case study of Taibah and Islamic universities’ campuses, Medina, Kingdom of Saudi Arabia
Flash flood risk assessment in urban arid environment: case study of Taibah and Islamic universities’ campuses, Medina, Kingdom of Saudi Arabia Open
Flooding impacts can be reduced through application of suitable hydrological and hydraulic tools to define flood zones in a specific area. This article proposes a risk matrix technique which is applied on a case study of Taibah and Islamic…
View article: Modeling of IDF curves for stormwater design in Makkah Al Mukarramah region, The Kingdom of Saudi Arabia
Modeling of IDF curves for stormwater design in Makkah Al Mukarramah region, The Kingdom of Saudi Arabia Open
Reducing the negative impacts of flooding in Makkah AL Mukarramah region in the Kingdom of Saudi Arabia (KSA) is of utmost importance. In the last decade, there are huge mega infrastructure projects in KSA in general and in Makkah AL Mukar…
View article: 48 hr rainfall accumulation over KSA, Egypt and Yeman 29-4-2017
48 hr rainfall accumulation over KSA, Egypt and Yeman 29-4-2017 Open
View article: Development of intensity–duration–frequency curves for the Kingdom of Saudi Arabia
Development of intensity–duration–frequency curves for the Kingdom of Saudi Arabia Open
This paper presents the derivation of the intensity–duration–frequency (IDF) curves for the Kingdom of Saudi Arabia. Such curves were obtained based on rainfall events measured in 28 meteorological stations distributed throughout the Kingd…
View article: Highly Flexible Rainfall-Runoff Model Using Multiple Spreadsheets
Highly Flexible Rainfall-Runoff Model Using Multiple Spreadsheets Open
The Second International Symposium on Flash Floods in Wadi Systems: 25-27 October 2016. Technische Universität Berlin, Campus El Gouna, Egypt.
View article: Spatial Modelling of Flood Inundation Case Study of Pesangggrahan Floodplain, Jakarta, Indonesia
Spatial Modelling of Flood Inundation Case Study of Pesangggrahan Floodplain, Jakarta, Indonesia Open