Climate and landscape dynamics in the leridan Pyrenees during the Late Glacial-Holocene transition

被引:0
|
作者
Pelachs, A. [1 ]
Rodriguez, J. M. [2 ]
Perez-Obiol, R. [2 ]
Julia, R. [3 ]
Burjachs, F. [4 ,5 ,6 ]
Exposito, I. [5 ,6 ]
Cunill, R. [7 ]
Soriano, J. M. [1 ]
Yll, E. I. [8 ]
机构
[1] Univ Autonoma Barcelona, Fac Filosofia & Lletres, Dept Geog, Edifici B, E-08193 Bellaterra, Spain
[2] Univ Autonoma Barcelona, Fac Biociencies, Unitat Bot, E-08193 Bellaterra, Spain
[3] CSIC, ICT, Inst Ciencies Terra Jaume Almera, E-08028 Barcelona, Spain
[4] ICREA, Barcelona, Spain
[5] IPHES Inst Catala Paleoecol Humana & Evolucio Soc, E-43007 Tarragona, Spain
[6] Univ Rovira & Virgili, Fac Lletres, Area Prehist, E-43002 Tarragona, Spain
[7] Univ Toulouse II Le Mirail, CNRS, UMR 5602, UTM Geog Environm, F-31058 Toulouse 9, France
[8] MINOA Arqueol & Serv SL I D, E-08193 Bellaterra, Spain
来源
CUATERNARIO Y GEOMORFOLOGIA | 2012年 / 26卷 / 3-4期
关键词
LOI; pollen; Lateglacial-Holocene; vegetation; climate; Pyrenees;
D O I
暂无
中图分类号
P5 [地质学];
学科分类号
0709 ; 081803 ;
摘要
The Coma de Burg lake (CMB) and the Estanilles peat bog (EST) are two sedimentary records that provide paleoenvironmental information about the Lateglacial-Holocene transition in the central-eastern Pyrenees (Alt Pallars, Lleida). The comparison of the organic matter values (Loss On Ignition) with the pollen records from the two sequences (CMB and EST) indicates that the LOI is more sensitive to the changes in temperature than precipitation. Pollen values reflect the succession of different landscapes, from steppe formations (Artemisia and Poaceae) to forest communities (Pinus, Betula and Corylus). The 6 fluctuations documented by the LOI coincide with the temperature fluctuations in the Northern Hemisphere (Greenland Ice Core Project, GRIP) and mark Bolling, Allerod, Younger Dryas and the Holocene onset as well as later fluctuations.
引用
收藏
页码:79 / 96
页数:18
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