Shift away from Nile incision at Luxor ~4,000 years ago impacted ancient Egyptian landscapes حسب Peeters, J, Graham, A, Toonen, W, Pennington, B, Durcan, J, Winkels, T, Barker, D, Masson-Berghoff, A, Adamson, K, Emery, V, Strutt, K, Millet, M, Sollars, L, Ghazala, H