globalchange  > 过去全球变化的重建
DOI: 10.1016/j.quascirev.2015.09.024
Scopus记录号: 2-s2.0-84949184421
论文题名:
A new model of river dynamics, hydroclimatic change and human settlement in the Nile Valley derived from meta-analysis of the Holocene fluvial archive
作者: Macklin M.G.; Toonen W.H.J.; Woodward J.C.; Williams M.A.J.; Flaux C.; Marriner N.; Nicoll K.; Verstraeten G.; Spencer N.; Welsby D.
刊名: Quaternary Science Reviews
ISSN: 2773791
出版年: 2015
卷: 130
起始页码: 109
结束页码: 123
语种: 英语
英文关键词: Channel and floodplain contraction phases ; Drought ; Flooding ; Holocene climate change ; Nile catchment and delta ; River civilizations
Scopus关键词: Banks (bodies of water) ; Catchments ; Drought ; Dynamics ; Floods ; Flow of water ; Landforms ; Oil well flooding ; Probability density function ; Rivers ; Runoff ; Stream flow ; Cumulative probabilities ; Depositional environment ; Flood plains ; Holocene climate change ; Human settlements ; Inverse relationship ; Nile catchment and delta ; Palaeochannel fills ; Climate change ; aridity ; channel change ; civilization ; climate variation ; depositional environment ; flooding ; floodplain ; fluvial deposit ; Holocene ; human settlement ; meta-analysis ; paleochannel ; probability density function ; river system ; Nile Valley
英文摘要: In the Nile catchment, a growing number of site- and reach-based studies employ radiocarbon and, more recently, OSL dating to reconstruct Holocene river histories, but there has been no attempt to critically evaluate and synthesise these data at the catchment scale. We present the first meta-analysis of published and publically available radiocarbon and OSL dated Holocene fluvial units in the Nile catchment, including the delta region, and relate this to changing climate and river dynamics. Dated fluvial units are separated both geographically (into the Nile Delta and White, Blue, and Desert Nile sub-regions) and into depositional environment (floodplain and palaeochannel fills). Cumulative probability density frequency (CPDF) plots of floodplain and palaeochannel units show a striking inverse relationship during the Holocene, reflecting abrupt (<100 years) climate-related changes in flooding regime. The CPDF plot of dated floodplain units is interpreted as a record of over-bank river flows, whilst the CPDF plot of palaeochannel units reflect periods of major flooding associated with channel abandonment and contraction, as well as transitions to multi-centennial length episodes of greater aridity and low river flow. This analysis has identified major changes in river flow and dynamics in the Nile catchment with phases of channel and floodplain contraction at c. 6150-5750, 4400-4150, 3700-3450, 2700-2250, 1350-900, 800-550 cal. BC and cal. AD 1600, timeframes that mark shifts to new hydrological and geomorphological regimes. We discuss the impacts of these changing hydromorphological regimes upon riverine civilizations in the Nile Valley. © 2015 Elsevier Ltd.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/59748
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作者单位: Centre for Catchment and Coastal Research and the River Basin Dynamics and Hydrology Research Group, Department of Geography and Earth Sciences, Aberystwyth University, Ceredigion, United Kingdom; Innovative River Solutions, Institute of Agriculture and Environment, Massey University, Private Bag 11 222, Palmerston North, New Zealand; School of Environment, Education and Development, The University of Manchester, Manchester, United Kingdom; University of Adelaide, Adelaide, SA, Australia; Centre National de la Recherche Scientifique EcoLab (Lab. d'Ecologie Fonctionnelle et Environnement), Université Paul Sabatier, Toulouse, France; Centre National de la Recherche Scientifique, Laboratoire Chrono-Environnement, Université de Franche-Comté, Besançon, France; Department of Geography, The University of Utah, Utah, United States; Department of Earth and Environmental Sciences, KU Leuven, Leuven, Belgium; Department of Ancient Egypt and Sudan, The British Museum, London, United Kingdom

Recommended Citation:
Macklin M.G.,Toonen W.H.J.,Woodward J.C.,et al. A new model of river dynamics, hydroclimatic change and human settlement in the Nile Valley derived from meta-analysis of the Holocene fluvial archive[J]. Quaternary Science Reviews,2015-01-01,130
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