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Dr. Omnia El Saadawy
National Authority of Remote Sensing and Space Sciences, Cairo , Egypt.

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Research Keywords & Expertise

0 Remote Sensing
0 alluvium aquifers
0 flash flood hazards
0 electrical resistivity imaging
0 time-lapse electrical resistivity measurements

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Journal article
Published: 07 December 2020 in Sustainability
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Flash flood hazard assessments, mitigation measures, and water harvesting efforts in desert environments are often challenged by data scarcity on the basin scale. The present study, using the Wadi Atfeh catchment as a test site, integrates remote sensing datasets with field and geoelectrical measurements to assess flash flood hazards, suggest mitigation measures, and to examine the recharge to the alluvium aquifer. The estimated peak discharge of the 13 March 2020 flood event was 97 m3/h, which exceeded the capacity of the culverts beneath the Eastern Military Highway (64 m3/h), and a new dam was suggested, where 75% of the catchment could be controlled. The monitoring of water infiltration into the alluvium aquifer using time-lapse electrical resistivity measurements along a fixed profile showed a limited connection between the wetted surficial sediments and the water table. Throughflow is probably the main source of recharge to the aquifer rather than vertical infiltration at the basin outlet. The findings suggest further measures to avoid the negative impacts of flash floods at the Wadi Atfeh catchment and similar basins in the Eastern Desert of Egypt. Furthermore, future hydrological studies in desert environments should take into consideration the major role of the throughflow in alluvium aquifer recharge.

ACS Style

Omnia El-Saadawy; Ahmed Gaber; Abdullah Othman; Abotalib Z. Abotalib; Mohammed El Bastawesy; Mohamed Attwa. Modeling Flash Floods and Induced Recharge into Alluvial Aquifers Using Multi-Temporal Remote Sensing and Electrical Resistivity Imaging. Sustainability 2020, 12, 10204 .

AMA Style

Omnia El-Saadawy, Ahmed Gaber, Abdullah Othman, Abotalib Z. Abotalib, Mohammed El Bastawesy, Mohamed Attwa. Modeling Flash Floods and Induced Recharge into Alluvial Aquifers Using Multi-Temporal Remote Sensing and Electrical Resistivity Imaging. Sustainability. 2020; 12 (23):10204.

Chicago/Turabian Style

Omnia El-Saadawy; Ahmed Gaber; Abdullah Othman; Abotalib Z. Abotalib; Mohammed El Bastawesy; Mohamed Attwa. 2020. "Modeling Flash Floods and Induced Recharge into Alluvial Aquifers Using Multi-Temporal Remote Sensing and Electrical Resistivity Imaging." Sustainability 12, no. 23: 10204.

Journal article
Published: 01 July 2018 in The Egyptian Journal of Remote Sensing and Space Science
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ACS Style

Mamdouh M. Abdeen; Ahmed Gaber; Mohamed Shokr; Omnia A. El-Saadawy. Minimizing labeling ambiguity during classification process of the geological units covering the central part of the Suez Canal Corridor, Egypt using their radar scattering response. The Egyptian Journal of Remote Sensing and Space Science 2018, 21, S55 -S66.

AMA Style

Mamdouh M. Abdeen, Ahmed Gaber, Mohamed Shokr, Omnia A. El-Saadawy. Minimizing labeling ambiguity during classification process of the geological units covering the central part of the Suez Canal Corridor, Egypt using their radar scattering response. The Egyptian Journal of Remote Sensing and Space Science. 2018; 21 ():S55-S66.

Chicago/Turabian Style

Mamdouh M. Abdeen; Ahmed Gaber; Mohamed Shokr; Omnia A. El-Saadawy. 2018. "Minimizing labeling ambiguity during classification process of the geological units covering the central part of the Suez Canal Corridor, Egypt using their radar scattering response." The Egyptian Journal of Remote Sensing and Space Science 21, no. : S55-S66.