Periodicity of climate conditions and solar variability derived from dendrochronological and other palaeoclimatic data in high latitudes

被引:60
作者
Raspopov, OM
Dergachev, VA
Kolström, T
机构
[1] IZMIRAN, SPbF, St Petersburg 191023, Russia
[2] RAS, AF Ioffe Physicotech Inst, St Petersburg, Russia
[3] Univ Joensuu, Mekrijarvi Res Stn, FIN-80101 Joensuu, Finland
基金
俄罗斯基础研究基金会;
关键词
solar activity; solar irradiance; climate change; dendrochronology; non-linear system; Bruckner cycle;
D O I
10.1016/j.palaeo.2004.02.022
中图分类号
P9 [自然地理学];
学科分类号
0705 ; 070501 ;
摘要
The periodicity of climatic processes in the Barents Sea Region and along the Arctic Ocean coast during several hundred years has been studied by analyzing the tree-ring chronologies for the regions close to the northern timberline. In the Barents Sea region, cyclicities of climatic processes with periods of around 90, 30-35, 22-23, 18 and 11-12 years have been established by spectral analysis of the data for the Kola Peninsula. Wavelet analysis of annual series of conifer tree-rings generalized for 10 regions along the northern timberline, from the Kola Peninsula to Chukotka, for the period 1458-1975 has revealed the same periodicities for the vast areas of northern Russia. Climatic cyclicity with a period of about 35 years is known as the Bruckner cycle. Climatic cycles with periods of around 90, 22-23 and 11-12 years correlate well with the corresponding solar activity cycles. A possible solar forcing of periodic climatic processes and its nonlinear influence on the atmosphere-ocean-continental system are discussed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码:127 / 139
页数:13
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