Arid
DOI10.1016/j.quascirev.2018.06.003
Increased climate seasonality during the late glacial in the Gebel Akhdar, Libya
Reade, Hazel1,3; O’Connell, Tamsin C.1,2; Barker, Graeme1,2; Stevens, Rhiannon E.1,3
通讯作者Reade, Hazel
来源期刊QUATERNARY SCIENCE REVIEWS
ISSN0277-3791
出版年2018
卷号192页码:225-235
英文摘要

Oxygen isotope analysis (delta O-18) of caprine and bovine tooth enamel carbonates from the Haua Fteah cave (Gebel Akhdar massif, northeast Libya) reveals significant differences in palaeoseasonality during the last c. 70 ka. Data indicate different phases of human occupation of the region occurred under notably different climatic conditions. During the last glacial period, prior to the Last Glacial Maximum, a gradual increase in climate aridity occurred. This was followed in the late glacial (c. 16.6-14.7 ka) by considerably more arid conditions and much greater climate seasonality, which was likely produced by changing winter precipitation amounts and a strengthening of arid summer air masses. The high seasonality in the late glacial coincides with a period when human activity at the Haua Fteah greatly intensified. Significant changes in subsistence strategies and the seasonal exploitation of food resources also occurred at this time. The results presented here suggest that changes in the seasonal climate may have affected the seasonal supply of floral and faunal resources available to local human populations at the time, which resulted in changing subsistence practices. (C) 2018 Elsevier Ltd. All rights reserved.


英文关键词Quaternary Palaeoclimate Seasonality North Africa Haua Fteah Stable isotopes Tooth enamel
类型Article
语种英语
国家England
收录类别SCI-E ; SSCI
WOS记录号WOS:000438179800015
WOS关键词HAUA FTEAH CAVE ; STABLE ISOTOPIC COMPOSITION ; HUMAN OCCUPATION ; OXYGEN ISOTOPES ; TOOTH ENAMEL ; MEDITERRANEAN REGION ; TEMPORAL VARIATION ; BONE PHOSPHATE ; HOLOCENE ; WATER
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构University of London
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/212518
作者单位1.Univ Cambridge, McDonald Inst Archaeol Res, Downing St, Cambridge CB2 3ER, England;
2.Univ Cambridge, Dept Archaeol & Anthropol, Downing St, Cambridge CB2 3DZ, England;
3.UCL Inst Archaeol, 31-34 Gordon Sq, London WC1H 0PY, England
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GB/T 7714
Reade, Hazel,O’Connell, Tamsin C.,Barker, Graeme,et al. Increased climate seasonality during the late glacial in the Gebel Akhdar, Libya[J]. University of London,2018,192:225-235.
APA Reade, Hazel,O’Connell, Tamsin C.,Barker, Graeme,&Stevens, Rhiannon E..(2018).Increased climate seasonality during the late glacial in the Gebel Akhdar, Libya.QUATERNARY SCIENCE REVIEWS,192,225-235.
MLA Reade, Hazel,et al."Increased climate seasonality during the late glacial in the Gebel Akhdar, Libya".QUATERNARY SCIENCE REVIEWS 192(2018):225-235.
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