Fig. 6From: Flash floods mitigation and assessment of groundwater possibilities using remote sensing and GIS applications: Sharm El Sheikh, South Sinai, Egypta Principal component analyses image (PCA) of Landsat 8 (RGB, 123) showing the alluvial fan deposits characterized by dark blue color while the drainage network paths can be distinguished by light blue color. b PCA of a single band (band 1) where all alluvial sediments and fans are appearing with dark black colorBack to article page