期刊
QUATERNARY SCIENCE REVIEWS
卷 45, 期 -, 页码 73-84出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.quascirev.2012.04.022
关键词
Nile; Delta; Holocene climate change; ITCZ; ENSO; Civilizations
资金
- ANR Paleomed [09-BLAN-0323-01]
- Artemis INSU
- PEPS INSHS
- PEPS INEE
The Nile valley accommodates the world's longest river and shaped the development of numerous complex societies, providing a reliable source of water for farming and linking populations to sub-Saharan Africa and the Mediterranean Sea. Its fertile delta lay at the heart of ancient Egyptian civilization, however little is known of its morpho-sedimentary response to basin-wide changes in Holocene hydrology. Here, we present two well-resolved records from the Nile delta (based on similar to 320 radiocarbon dates) to reconstruct the timing and rhythm of catchment-scale modifications during the past 8000 years. On the orbital timescale, we demonstrate that Nilotic hydrology and sedimentation have responded to low-latitude insolation forcing while, on sub-millennial timescales, many of the major phases of deltaic modification were mediated by climate events linked to El Nino Southern Oscillation-type (ENSO) variability. (C) 2012 Elsevier Ltd. All rights reserved.
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