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Fig. 5 | Bulletin of the National Research Centre

Fig. 5

From: Flash floods mitigation and assessment of groundwater possibilities using remote sensing and GIS applications: Sharm El Sheikh, South Sinai, Egypt

Fig. 5

a Band ratios image: 4/3, 6/2, and 7/4, for Landsat 8 to identify the different rock and sediments in correlation with their sources. The symbol (A) refers to the alluvial sediments of El Qaa plain (to the west of the study area) correlated with the alluvial fan deposits (symbols C and D) in the study area. The Miocene exposures (symbol B) is discriminated through band ratio layer than other alluvial sediment (A, C, and D), where they have limited distribution. b A close-up view on the infrastructure area of Sharm El Sheikh city (light green color) that directly affect by surface runoff

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