Man-made ecological threats to heritage
Egypt Daily Star News
The foundations of the ancient Sphinx in the Giza district of Cairo could be in jeopardy due to a rise in the level of the area’s water table, or the level of underground water where the monument stands.
Findings by a number of experts in recent years indicate that the rising water is eroding and thus weakening the foundations and columns of the Sphinx, as well as a number of other monuments around the country, including temples in Karnak and Luxor.
Lisa Sabbahy, professor of archaeology at the American University in Cairo (AUC), says that the groundwater level initially rose due to the completion of the Aswan dam, which controls the flow and level of the Nile’s water in order to provide year-round irrigation of crops.
This, she points out, threatens all antiquities in the Nile valley.
Before the dam, the Nile would flood its banks annually soaking the structures, but would dry out before long.
“But now the river runs at a constant height,” Sabbahy told Daily News Egypt, “and the rock layers of the banks and adjoining land, particularly the shale and clay which soak up water, are wet all year around.”
See the above page for more.
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