The Lateglacial in the Rila Mountains (Bulgaria) revisited: The pollen record of Lake Ribno (2184m)

被引:13
|
作者
Tonkov, Spassimir [1 ]
Possnert, Goran [2 ]
Bozilova, Elissaveta [1 ]
机构
[1] Sofia Univ St Kliment Ohridski, Fac Biol, Dept Bot, Palynol Lab, Sofia 1164, Bulgaria
[2] Uppsala Univ, Div Ion Phys, Angstrom Lab, Lab 14C, Uppsala, Sweden
关键词
Bulgaria; Lake Ribno; Lateglacial; Pollen; Radiocarbon chronology; Rila Mountains; PIRIN MOUNTAINS; ICE-CORE; POSTGLACIAL VEGETATION; YOUNGER DRYAS; HISTORY; STRATIGRAPHY; CLIMATE;
D O I
10.1016/j.revpalbo.2011.04.004
中图分类号
Q94 [植物学];
学科分类号
071001 ;
摘要
Pollen analysis and AMS radiocarbon dating were conducted on the lateglacial sediments (175 cm in thickness) of a core obtained from the glacial Lake Ribno (2184 m) in the northwestern Rila Mountains. The vegetation dynamics at high-mid altitudes based on important changes in palynostratigraphy as a response to the lateglacial climate fluctuations for the time interval 16000-11600 cal.yrs BP is bound to an interstadial/stadial cycle, analogous with the Bolling/Allerod-Younger Dryas. The established local chronology demonstrates also good correlation with the isotopic signal from Greenland ice-cores. The reconstruction of the lateglacial vegetation shows common features with other sites from the Bulgarian mountains (Rila, Pirin, Western Rhodopes) and the glacial lakes in the southern Romanian Carpathians (Retezat Mountains). (C) 2011 Elsevier B.V. All rights reserved.
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页码:1 / 11
页数:11
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