“This incredibly long-lived hydraulic technology played a crucial role in enabling communities to grow food and thrive in the challenging landscapes of Nubia for over 3000 years.”
Some of these groins were submerged beneath the Aswan High Dam reservoir, but their existence was rediscovered through travelers' diaries from the 19th century, a 200-year-old map, and archives of aerial photographs., indicating their historical significance.
“From speaking with farmers in Sudanese Nubia, we also learnt that river groins continued to be built as recently as the 1970s, and that the land formed by some walls is still cultivated today,” said Dr. Dalton. “This incredibly long-lived hydraulic technology played a crucial role in enabling communities to grow food and thrive in the challenging landscapes of Nubia for over 4000 years.”
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