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Significant depositional changes offshore the Nile Delta in late third millennium BCE: relevance for Egyptology
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Significant depositional changes offshore the Nile Delta in late third millennium BCE: relevance for Egyptology
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Significant depositional changes offshore the Nile Delta in late third millennium BCE: relevance for Egyptology
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Journal Article
Significant depositional changes offshore the Nile Delta in late third millennium BCE: relevance for Egyptology
2021
نظرة عامة
No environmental factor has been as critically important for Egypt's ancient society through time as sufficiently high annual flood levels of the Nile River, the country's major source of fresh water. However, interpretation of core analysis shows reduced depositional accumulation rates and altered compositional attributes of the sediment facies deposited seaward of the Nile Delta during a relatively brief period in the late third millennium BCE. These changes record the effects of displaced climatic belts, decreased rainfall, lower Nile flows, and modified oceanographic conditions offshore in the Levantine Basin, primarily from 2300 to 2000 BCE, taking place at the same time as important geological changes identified by study of cores collected in the Nile Delta. It turns out that integrated multi-disciplinary Earth science and archaeological approaches at dated sites serve to further determine when and how such significant changing environmental events had negative effects in both offshore and landward areas. This study indicates these major climatically induced effects prevailed concurrently offshore and in Nile Delta sites and at about the time Egypt abandoned the Old Kingdom's former political system and also experienced fragmentation of its centralized state. In response, the country's population would have experienced diminished agricultural production leading to altered societal, political, and economic pressures during the late Old Kingdom to First Intermediate Period at ca. 2200 to 2050 BCE.
الناشر
Copernicus GmbH,Copernicus Publications
