Explanipedia

Impact of Climate Change on Hydrological Extremes (Floods and Droughts) in the Upper Blue Nile Basin Open

Doaa Amin, Eatemad Keshta, R. Ragab, Rabin Chakrabortty, Ahmed Elaksher · 2025

Understanding the impacts of climate change on hydrology is crucial for addressing water-related challenges such as water scarcity, flooding, and drought. Measurements provide evidence of climate change and global warming. As a downstream …

Evaluation of the low-cost depth cameras for non-destructive testing Open

Noura Y. Alghanim, Tarig Ali, Ahmed Elaksher, Mohammad AlHamaydeh · 2025

The primary aim of this paper is to assess the effectiveness of a low-cost stereo (depth) camera as a non-destructive tool for the detection and measurement of cracks in concrete surfaces. The experiment was carried out on four concrete be…

The Analysis of Land Use and Climate Change Impacts on Lake Victoria Basin Using Multi-Source Remote Sensing Data and Google Earth Engine (GEE) Open

Maram Ali, Tarig Ali, Rahul Gawai, Lara Dronjak, Ahmed Elaksher · 2024

Over 30 million people rely on Lake Victoria for survival in Northeast African countries, including Ethiopia, Eritrea, Somalia, and Djibout. The lake faces significant challenges due to changes in land use and climate. This study used mult…

Modernizing the photogrammetry curriculum by integrating the entrepreneurial mindset, bio-inspired design and STEAM approach Open

Ahmed Elaksher, Bhavana Kotla · 2024

Purpose Photogrammetry enables scientists and engineers to make accurate and precise measurements from optical images and other patterns of reflected electromagnetic energy. Photogrammetry is taught in surveying, geomatics and similar acad…

Particulate matter (pm10) monitoring in the United Arab Emirates using a satellite remote sensing based model Open

Aisha Al Suwaidi, Tarig Ali, Serter Atabay, Mohamed Salah Singer, Ahmed Elaksher · 2024

Particulate matter (PM) is one of the major factors causing air pollution, which is considered a concern for human health. Hence, measuring and monitoring the concentrations of these particles is essential. In this study, the main objectiv…

Inspiring the Next Generation: Lessons Learned from the National Summer Transportation Institute Program Open

Yongping Zhang, Ghada M. Gad, Wen Cheng, Ahmed Elaksher, Xudong Jia · 2024

To address the need for a diverse workforce in the 21st Century and to create awareness of the career choices and opportunities that exist in the transportation industry, the US DOT established various educational initiatives and National …

Fifteen-, Ten-, or Five Minute City? Walkability to Services Assessment: Case of Dubai, UAE Open

Maram Ali, Tarig Ali, Rahul Gawai, Ahmed Elaksher · 2023

The rapid urbanization growth in Dubai has resulted in connectivity issues and is therefore considered tremendous development pressure. That has led the local authorities to set a vision for Dubai as a 15–20 min city by 2040. In a 15 min c…

Particulate matter (pm10) monitoring in the United Arab Emirates using a satellite remote sensing based model Open

Aisha Al Suwaidi, Tarig Ali, Serter Atabay, Mohamed Salah Singer, Ahmed Elaksher · 2023

Particulate matter (PM) is one of the major factors causing air pollution, which is considered a concern for human health. Hence, measuring and monitoring the concentrations of these particles is essential. In this study, the main objectiv…

Fifteen-, Ten-, or Five Minutes City? Walkability to Services Assessment: Case of Dubai, UAE Open

Maram Ali, Tarig Ali, Rahul Gawai, Ahmed Elaksher · 2023

The rapid urbanization growth of Dubai has resulted in connectivity issues, considered tre-mendous development pressure. That leads the local authorities to set a vision for Dubai as a 15-20 minute city by 2040. The 15-minute city, where a…

A Quantitative Assessment of LIDAR Data Accuracy Open

Ahmed Elaksher, Tarig Ali, Abdullatif Alharthy · 2023

Airborne laser scanning sensors are impressive in their ability to collect a large number of topographic points in three dimensions in a very short time thus providing a high-resolution depiction of complex objects in the scanned areas. Th…

An Automated System for 2d Building Detection from Uav-Based Geospatial Datasets Open

Ahmed Elaksher, Islam Omar, David Sanjenis, Jose R. Velasco, Mark Lao · 2023

Ammonium nitrate explosion at the main port in Beirut (Lebanon) and air pollution: an analysis of the spatiotemporal distribution of nitrogen dioxide Open

Tarig Ali, Mohamed Yehia Abouleish, Rahul Gawai, Nasser M. Hamdan, Ahmed Elaksher · 2022

Solving the Multilateration Problem without Iteration Open

Thomas H. Meyer, Ahmed Elaksher · 2021

The process of positioning, using only distances from control stations, is called trilateration (or multilateration if the problem is over-determined). The observation equation is Pythagoras’s formula, in terms of the summed squares of coo…

Towards Monitoring of Nutrient Pollution in Coastal Lake Using Remote Sensing and Regression Analysis Open

Md Maruf Mortula, Tarig Ali, Abdallah Raafat Bachir, Ahmed Elaksher, Mohamed Yehia Abouleish · 2020

The last few decades have witnessed a tremendous increase in nutrient levels (phosphorus and nitrogen) in coastal water leading to excessive algal growth (Eutrophication). The presence of large amounts of algae turns the water’s color into…

Municipal wastewater treatment using different coagulants Open

Md Maruf Mortula, Tarig Ali, Ahmed Elaksher · 2020

Shorelines Extraction and Generalization Using Spatiotemporal Datasets Open

Ahmed Elaksher · 2017

This paper discusses integrating multiple remotely sensed measurements, spatiotemporal databases, coastal hydrological modeling, and geospatial information analysis to study the impact of water level changes on the shoreline geometry in or…

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