Ahmed A. Nasr

ORCID: 0000-0003-4722-0011
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About
Contact & Profiles
Research Areas
  • Tropical and Extratropical Cyclones Research
  • Flood Risk Assessment and Management
  • Geographic Information Systems Studies
  • Ocean Waves and Remote Sensing
  • Climate variability and models
  • 3D Modeling in Geospatial Applications
  • Environmental Monitoring and Data Management
  • Distributed and Parallel Computing Systems
  • Geography Education and Pedagogy
  • Advanced Data Storage Technologies
  • Fire effects on concrete materials
  • Hydrology and Drought Analysis
  • Structural Response to Dynamic Loads
  • Structural Behavior of Reinforced Concrete
  • Research Data Management Practices
  • Advanced Neural Network Applications
  • Transboundary Water Resource Management
  • Hydrology and Watershed Management Studies
  • Infrastructure Resilience and Vulnerability Analysis
  • Geological Modeling and Analysis
  • Dutch Social and Cultural Studies
  • Maritime Ports and Logistics
  • Evacuation and Crowd Dynamics
  • Coastal and Marine Dynamics
  • Middle East and Rwanda Conflicts

University of Central Florida
2021-2024

Ministry of Water Resources and Irrigation
2024

Tongji University
2024

University College Dublin
2009

Abstract. In coastal regions, floods can arise through a combination of multiple drivers, including direct surface run-off, river discharge, storm surge, and waves. this study, we analyse compound flood potential in Europe environs caused by these four main flooding sources using state-of-the-art databases with coherent forcing (i.e. ERA5). First, the sensitivity to several factors: (1) sampling method, (2) time window select concurrent event conditioned driver, (3) dependence metrics, (4)...

10.5194/nhess-21-2021-2021 article EN cc-by Natural hazards and earth system sciences 2021-07-06

Abstract. Flooding is of particular concern in low-lying coastal zones that are prone to flooding impacts from multiple drivers, such as oceanographic (storm surge and wave), fluvial (excessive river discharge), and/or pluvial (surface runoff). In this study, we analyse, for the first time, compound potential along contiguous United States (CONUS) coastline all using observations reanalysis data sets. We assess overall dependence by Kendall's rank correlation coefficient (τ) tail (extremal)...

10.5194/hess-25-6203-2021 article EN cc-by Hydrology and earth system sciences 2021-12-06

Abstract Coastal compound flooding events occur when extreme of rainfall, river discharge and sea level coincide collectively increase water surface elevation, exacerbating flooding. The meteorological conditions that generate these are usually low‐pressure systems high winds intense rainfall. In this study, we identify the types synoptic atmospheric typically associated with coastal using a weather‐type approach, for North Atlantic coastlines (encompassing northwest Europe east coast United...

10.1002/joc.7556 article EN International Journal of Climatology 2022-02-08

Flooding in low-lying coastal zones arises from (storm surge, tides, and waves), fluvial (excessive river discharge), pluvial surface runoff) drivers. We analyse changes compound flooding potential around the contiguous United States (CONUS) coastline stemming select combinations of these drivers using long observational records with at least 55 years data. assess temporal tail (extremal) dependence (χ) a 30-year sliding time window. Periods strong are found for windows centered between...

10.1016/j.wace.2023.100594 article EN cc-by Weather and Climate Extremes 2023-08-02

Storm surges are the most important driver of flooding in many coastal areas. Understanding spatial extent storm surge events has financial and practical implications for flood risk management, reinsurance, infrastructure reliability emergency response. In this paper, we apply a new tracking algorithm to high-resolution hindcast (CODEC, 1980–2017) characterize dependence temporal evolution extreme along coastline UK Ireland. We quantify severity each event based on its footprint extremity...

10.1016/j.wace.2024.100662 article EN cc-by Weather and Climate Extremes 2024-04-01

Abstract. Flooding is of particular concern in low-lying coastal zones that are prone to flooding impacts from multiple drivers: oceanographic (storm surge and wave), fluvial (excessive river discharge), and/or pluvial (surface runoff). In this study, we analyse for the first time compound potential along contiguous United States (CONUS) coastline all drivers, using observations reanalysis datasets. We assess overall dependence by Kendall’s rank correlation coefficient (τ) tail (extremal)...

10.5194/hess-2021-268 article EN cc-by 2021-05-27

10.18280/ijtdi.080311 article EN publisher-specific-oa International Journal of Transport Development and Integration 2024-09-27

Water scarcity presents significant challenges to sustainable development, particularly in arid regions like Fayoum City, Egypt, which faces particular water due its unique topography. This study explores the pivotal role of pump stations and wastewater reuse mitigating promoting management practices. Utilizing a comprehensive mixed-method approach, including desk research, field surveys, stakeholder interviews, integrating Analytic Hierarchy Process (AHP) into decision-making framework. The...

10.3389/frwa.2024.1386303 article EN cc-by Frontiers in Water 2024-05-23

Abstract. In coastal regions, floods can arise through a combination of multiple drivers, including direct surface run- off, river discharge, storm surge and waves. this study, we analyse compound flood potential in Europe caused by these four main flooding sources using state-of-the-art databases with homogenous forcing (i.e., ERA5). First, perform an analysis to assess the sensitivity several factors: 1) sampling method; 2) time window select concurrent event conditioned driver; 3)...

10.5194/nhess-2021-50 article EN cc-by 2021-03-03

10.21608/jsfc.2023.368255 article EN المجلة العلمية لقطاع کليات التجارة بجامعة الأزهر 2023-06-01

In this study two different models have been developed and tested with data from 55 hydrometric stations in the Shannon River Basin Ireland for estimating location scale parameters of EV1 distribution Minimum, 3-, 7-, 10-, 15-, 30-days sustained low flow series at ungauged locations.The first is a simple linear model while other fuzzy clustering model.Both calibrated using unconstrained constrained least squares methods.Moreover five input scenarios including various combinations some...

10.4203/ccp.92.43 article EN Civil-comp proceedings 2009-08-14

Summary DAOS-SEIS mapping layer is introduced to the seismic community, utilizing evolving DAOS technology, solve some of IO bottlenecks caused by SEGY data format through leveraging graph theory in addition object-based storage design and implement a new natively on top model order accelerate access, provide in-storage compute capabilities process place get rid serial seg-y file constraints. The API built system(dfs) accessed manipulated using after accessing root dfs object. perfectly...

10.3997/2214-4609.2021612023 article EN 2021-01-01
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