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The article is based on the research conducted by the authors. The houses from the ancient town discovered in 1985 on the Mediterranean coast at the location of today’s Marina el-Alamein, are among the rare remains of Egyptian residential buildings from Hellenistic and Roman times. There are few remains of houses from this period in major cities, including the capital of Alexandria. The ancient town, which functioned under the influence of nearby Alexandria, developed from the second century BC to the sixth century AD. Various types of buildings, relatively well preserved here, provide information on a reduced scale about the architecture of Alexandria, as well as the lives of its inhabitants. This also applies in particular to residential houses, their décor and colours. The ancient town of Marina el-Alamein can be seen as demonstrating solutions that are more common. The present article aims to analyse the preserved remains of painting decoration in the main spaces of houses and attempts to reconstruct forms and the principles of their creation on the background of better-known solutions from other regions. Houses in Marina generally implemented layouts defined by flagstone-paved portico courtyards, sporadically taking the form of an incomplete peristyle, and reception halls oikos, which could be accompanied by smaller adjoining rooms. Both the columns and entablature with the cornices of the porticoes as well as the walls of the main rooms were painted. Wall decoration was organised by geometric partitions, filled in variously. The aedicula that served religious purposes, placed centrally in the rear walls of the main reception rooms, was also polychrome. The painted decoration can be reconstructed from the preserved remains, as rich and intensely colourful, similar to Hellenistic and Roman layouts from other regions, but differing in details. Full article

The objective of this study was to provide an assessment of coastline extraction and change analysis using different sensors from three satellites over time. Imagery from Landsat-8 OLI, Sentinel-2A MSI, and PlanetScope-3B were used to detect geomorphological changes along the El-Alamein coastline on the Mediterranean Sea between August 2016 and August 2021. The normalized difference water index (NDWI) was applied to automate, detect and map water bodies based on thresholding techniques and coastline extraction. The extracted coastlines were analyzed using geographic information systems (GIS)-based digital shoreline analysis system (DSAS.v5) model, a GIS software tool for the estimation of shoreline change rates calculated through two statistical techniques: net shoreline movement (NSM) and end point rate (EPR). The results indicate that measuring coastline morphological change using satellite-based imagery depends very much on the resolution of the imagery. It is necessary to tailor the selection of imagery to the accuracy of the measurement needed. Higher resolution imagery such at PlanetScope (3 m) produces higher resolution measurements. However, medium resolution imagery from Landsat may be sufficiently good for objectives requiring less spatial resolution. Full article