Arid
DOI10.1016/j.quascirev.2014.12.019
Hydroclimatic changes in northern Levant over the past 400,000 years
Gasse, Francoise1; Vidal, Laurence1; Van Campo, Elise2; Demory, Francois1; Develle, Anne-Lise1,3; Tachikawa, Kazuyo1; Elias, Ata4; Bard, Edouard1; Garcia, Marta1; Sonzogni, Corinne1; Thouveny, Nicolas1
通讯作者Vidal, Laurence
来源期刊QUATERNARY SCIENCE REVIEWS
ISSN0277-3791
出版年2015
卷号111页码:1-8
英文摘要

The Levant, a transition zone between the temperate Mediterranean domain and subtropical deserts, is a key area to study the latitudinal migrations of zonal climatic belts in response to glacial-interglacial conditions. The region underwent large climatic shifts during the Late Quaternary, with dramatic impacts on water resources and human populations. This paper presents the unique long-term hydroclimatic record (ca. 400 ka) from Northern Levant, derived from a sediment core taken from a small tectonic basin of northern Lebanon, the currently wettest area of the Levant. Combined biotic (pollen, biologic aquatic remains) and abiotic proxies (sediment properties, carbonate oxygen isotopes) reveal relatively high water availability during interglacials and generally drier glacials periods during the past four climate cycles. These general trends are in line with pollen records from southeastern and near east Mediterranean areas, but differ from some paleohydrological records from the southern Levant. Southward migrations of the rain-bearing mid-latitude westerlies during glacial periods and regional land topography are likely to explain the observed regional climate signatures. In addition, distinctive climate signatures of the successive wetter/drier intervals reflect interactions between global forcing (insolation, atmospheric greenhouse gas concentration), eastern Mediterranean Sea surface conditions intimately linked to North Atlantic climate and to ice-sheet and sea-ice extent at high northern latitudes, land topography, and local hydrogeological processes. Our record brings new benchmarks for understanding the spatial heterogeneity of eastern Mediterranean responses to global climate changes. (C) 2015 Published by Elsevier Ltd.


英文关键词Paleoclimatology Lake deposits Glacial/interglacial cycles Levant
类型Review
语种英语
国家France ; Lebanon
收录类别SCI-E
WOS记录号WOS:000353431100001
WOS关键词EASTERN MEDITERRANEAN REGION ; ATMOSPHERIC CIRCULATION ; LAKE VAN ; CLIMATE ; SPELEOTHEMS ; HISTORY ; CAVE ; RECONSTRUCTION ; TEMPERATURES ; VARIABILITY
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
来源机构French National Research Institute for Sustainable Development
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/190074
作者单位1.Aix Marseille Univ, CEREGE, CNRS, IRD,Coll France,CEREGE, F-13545 Aix En Provence 04, France;
2.Univ Toulouse, INPT, CNRS, ECOLAB,UMR 5245, F-31062 Toulouse 9, France;
3.Univ Savoie, EDYTEM, UMR 5204, F-73376 Le Bourget Du Lac, France;
4.Amer Univ Beirut, Dept Geol, Beirut, Lebanon
推荐引用方式
GB/T 7714
Gasse, Francoise,Vidal, Laurence,Van Campo, Elise,et al. Hydroclimatic changes in northern Levant over the past 400,000 years[J]. French National Research Institute for Sustainable Development,2015,111:1-8.
APA Gasse, Francoise.,Vidal, Laurence.,Van Campo, Elise.,Demory, Francois.,Develle, Anne-Lise.,...&Thouveny, Nicolas.(2015).Hydroclimatic changes in northern Levant over the past 400,000 years.QUATERNARY SCIENCE REVIEWS,111,1-8.
MLA Gasse, Francoise,et al."Hydroclimatic changes in northern Levant over the past 400,000 years".QUATERNARY SCIENCE REVIEWS 111(2015):1-8.
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