Arid
DOI10.1016/j.quascirev.2016.05.007
Centennial-scale vegetation and North Atlantic Oscillation changes during the Late Holocene in the southern Iberia
Ramos-Roman, M. J.1; Jimenez-Moreno, G.1; Anderson, R. S.2; Garcia-Alix, A.3; Toney, J. L.3; Jimenez-Espejo, F. J.4; Carrion, J. S.5
通讯作者Ramos-Roman, M. J.
来源期刊QUATERNARY SCIENCE REVIEWS
ISSN0277-3791
出版年2016
卷号143页码:84-95
英文摘要

High-reso CE to lution pollen analysis, charcoal, non-pollen palynomorphs and magnetic susceptibility have been analyzed in the sediment record of a peat bog in Sierra Nevada in southern Iberia. The study of these proxies provided the reconstruction of vegetation, climate, fire and human activity of the last similar to 4500 cal yr BP. A progressive trend towards aridification during the late Holocene is observed in this record. This trend is interrupted by millennial- and centennial-scale variability of relatively more humid and arid periods. Arid conditions are recorded between similar to 4000 and 3100 cal yr BP, being characterized by a decline in arboreal pollen and with a spike in magnetic susceptibility. This is followed by a relatively humid period from similar to 3100 to 1600 cal yr BP, coinciding partially with the Iberian-Roman Humid Period, and is indicated by the increase of Pinus and the decrease in xerophytic taxa. The last 1500 cal yr BP are characterized by several centennial-scale climatic oscillations. Generally arid conditions from similar to 450 to 1300 CE, depicted by a decrease in Pinus and an increase in Artemisia, comprise the Dark Ages and the Medieval Climate Anomaly. Since similar to 1300 to 1850 CE pronounced oscillations occur between relatively humid and arid conditions. Four periods depicted by relatively higher Pinus coinciding with the beginning and end of the Little Ice Age are interrupted by three arid events characterized by an increase in Artemisia. These alternating arid and humid shifts could be explained by centennial-scale changes in the North Atlantic Oscillation and solar activity. (C) 2016 Elsevier Ltd. All rights reserved.


英文关键词Holocene Southern Iberia Pollen analysis Fire North Atlantic Oscillation Solar activity
类型Article
语种英语
国家Spain ; USA ; Scotland ; Japan
收录类别SCI-E
WOS记录号WOS:000378671500006
WOS关键词TREE-RING RECORDS ; CLIMATE-CHANGE ; ENVIRONMENTAL-CHANGE ; SIERRA-NEVADA ; MEDITERRANEAN BASIN ; MILLENNIAL-SCALE ; MONTANE REGION ; CENTRAL SPAIN ; HUMAN IMPACT ; SEA-SURFACE
WOS类目Geography, Physical ; Geosciences, Multidisciplinary
WOS研究方向Physical Geography ; Geology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/195857
作者单位1.Univ Granada, Dept Estratig & Paleontol, Granada, Spain;
2.No Arizona Univ, Sch Earth Sci & Environm Sustainabil, Flagstaff, AZ 86011 USA;
3.Univ Glasgow, Sch Geog & Earth Sci, Glasgow G12 8QQ, Lanark, Scotland;
4.Japan Agcy Marine Earth Sci & Technol JAMSTEC, Dept Biogeochem, Yokosuka, Kanagawa, Japan;
5.Univ Murcia, Fac Biol, Dept Biol Vegetal, Murcia, Spain
推荐引用方式
GB/T 7714
Ramos-Roman, M. J.,Jimenez-Moreno, G.,Anderson, R. S.,et al. Centennial-scale vegetation and North Atlantic Oscillation changes during the Late Holocene in the southern Iberia[J],2016,143:84-95.
APA Ramos-Roman, M. J..,Jimenez-Moreno, G..,Anderson, R. S..,Garcia-Alix, A..,Toney, J. L..,...&Carrion, J. S..(2016).Centennial-scale vegetation and North Atlantic Oscillation changes during the Late Holocene in the southern Iberia.QUATERNARY SCIENCE REVIEWS,143,84-95.
MLA Ramos-Roman, M. J.,et al."Centennial-scale vegetation and North Atlantic Oscillation changes during the Late Holocene in the southern Iberia".QUATERNARY SCIENCE REVIEWS 143(2016):84-95.
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