<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The paper discusses periodic climate changes in Europe determined on the basis of dendrochronological data dating back one thousand years. In tree-ring width sequences of trees growing in Poland there are approximately 8-, 11-, 100- and 180- year periods. The tree-ring widths of oaks growing in Poland for the last centuries are characterised, without any significant amplitude, by 8- and 11-year periods (Tab. 1). In turn, chronologies of pine, spruce, larch, oak and fir growing in Europe are characterised by 100- and 180-year periods (Tab. 2). Cycles of dendrochronological variables approximate cycles of air temperature and North Atlantic Oscillation NAO as well as those of solar activity. The forecast of annual growth (ring width) for 2001-2100 was calculated by interference of the tree-ring width cycles determined by the sinusoidal regression method. Because of much longer empirical sequences of specific periods, the credibility of forecasts for tree-ring widths is greater than that for air temperature.</p></abstract>

The paper discusses periodic climate changes in Europe determined on the basis of dendrochronological data dating back one thousand years. In tree-ring width sequences of trees growing in Poland there are approximately 8-, 11-, 100- and 180- year periods. The tree-ring widths of oaks growing in Poland for the last centuries are characterised, without any significant amplitude, by 8- and 11-year periods (Tab. 1). In turn, chronologies of pine, spruce, larch, oak and fir growing in Europe are characterised by 100- and 180-year periods (Tab. 2). Cycles of dendrochronological variables approximate cycles of air temperature and North Atlantic Oscillation NAO as well as those of solar activity. The forecast of annual growth (ring width) for 2001-2100 was calculated by interference of the tree-ring width cycles determined by the sinusoidal regression method. Because of much longer empirical sequences of specific periods, the credibility of forecasts for tree-ring widths is greater than that for air temperature.

Cyclic Changes of Climate in Europe During the Last Millenium According to Dendrological Data

Faculty of Geography and Regional Studies – Department of Climatology

Faculty of Forestry – Department of Dendrometry and Forest Productivity

Miscellanea Geographica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

The paper discusses periodic climate changes in Europe determined on the basis of dendrochronological data dating back one thousand years. In tree-ring width...

Cyclic Changes of Climate in Europe During the Last Millenium According to Dendrological Data

Published Online: Nov 25, 2018

Page range: 57 - 66

DOI: https://doi.org/10.2478/mgrsd-2008-0006

Keywords
air temperature, NAO, solar activity, spectrum, periods, tendencies, forecast, tree-rings

© 2008 Jerzy Boryczka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Cyclic Changes of Climate in Europe During the Last Millenium According to Dendrological Data

Published Online: Nov 25, 2018

Page range: 57 - 66

DOI: https://doi.org/10.2478/mgrsd-2008-0006

Keywordsair temperature, NAO, solar activity, spectrum, periods, tendencies, forecast, tree-rings

© 2008 Jerzy Boryczka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
air temperature, NAO, solar activity, spectrum, periods, tendencies, forecast, tree-rings