Search Results - "Timonen, Mauri"

Two main temperature periodicities related to planetary and solar activity oscillations.

Authors: Ollila, Antero Timonen, Mauri

Source: International Journal of Climatology. 12/30/2022, Vol. 42 Issue 16, p10407-10421. 15p.

Volcanic Impact Patterns in Tree Rings from Historical Wood in Northern Fennoscandia's Old Churches.

Authors: Shumilov, Oleg I. Kasatkina, Elena A. Timonen, Mauri et al.

Source: Forests (19994907). Apr2025, Vol. 16 Issue 4, p573. 16p.

Timberline tree-ring statistics examined through chronology stripping.

Authors: Timonen, Mauri Mielikäinen, Kari Helama, Samuli

Source: Forestry Studies / Metsanduslikud Uurimused. 2012, Vol. 56, p5-15. 11p.

Removal of the lichen mat by reindeer enhances tree growth in a northern Scots pine forest.

Authors: Macias Fauria, Marc Helle, Timo Niva, Aarno et al.

Source: Canadian Journal of Forest Research. Dec2008, Vol. 38 Issue 12, p2981-2993. 12p. 2 Charts, 6 Graphs.

Subject Terms: *Lichen ecology, *Tree growth, *Forestry research, *Grazing & the environment, *Taigas, *Animal behavior, Lichen communities, Reindeer, Scots pine, Biological divergence

A 7.5 ka chronology of stable carbon isotopes from tree rings with implications for their use in palaeo-cloud reconstruction.

Authors: Helama, Samuli Arppe, Laura Timonen, Mauri et al.

Source: Global & Planetary Change. Nov2018, Vol. 170, p20-33. 14p.

Subject Terms: *Sedimentation & deposition, *Geochemistry, Carbon isotopes, Perturbation theory, Data analysis

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Significant changes of subseries-means in the Finnish tree-ring index of 7638 years, with comparisons to glaciological evidence from Greenland and Alps.

Authors: Timonen, Mauri Jiang, Jianmin Helama, Samuli et al.

Source: Quaternary International. Jan2014, Vol. 319, p143-149. 7p.

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Variability and extremes of northern Scandinavian summer temperatures over the past two millennia

Authors: Esper, Jan Büntgen, Ulf Timonen, Mauri et al.

Source: Global & Planetary Change. May2012, Vol. 88-89, p1-9. 9p.

Subject Terms: *Seasonal temperature variations, *Paleoclimatology, *Climate change research, Summer, Numerical analysis, Scots pine

Geographic Terms: Scandinavia, Northern Hemisphere

Sub-Milankovitch solar forcing of past climates: Mid and late Holocene perspectives.

Authors: Helama, Samuli Fauria, Marc Macias Mielikäinen, Kari et al.

Source: Geological Society of America Bulletin; Nov/Dec2010, Vol. 122 Issue 11-12, p1981-1988, 8p, 6 Graphs

Summer temperature variations in Lapland during the Medieval Warm Period and the Little Ice Age relative to natural instability of thermohaline circulation on multi-decadal and multi-centennial scales.

Authors: Helama, Samuli Timonen, Mauri Holopainen, Jari et al.

Source: Journal of Quaternary Science. Jul2009, Vol. 24 Issue 5, p450-456. 7p.

Finnish supra-long tree-ring chronology extended to 5634 BC.

Authors: Helama, Samuli Mielikäinen, Kari Timonen, Mauri et al.

Source: Norwegian Journal of Geography; Dec2008, Vol. 62 Issue 4, p271-277, 7p, 2 Graphs, 1 Map

Growth Variability of Scots Pine (Pinus sylvestris) along a West-East Gradient across Northern Fennoscandia: A Dendroclimatic Approach.

Authors: Macias, Marc Timonen, Mauri Kirchhefer, Andreas J. et al.

Source: Arctic, Antarctic & Alpine Research. Nov2004, Vol. 36 Issue 4, p565-574. 10p. 1 Diagram, 8 Charts, 2 Graphs, 1 Map.

Forest Management and Regeneration Success in Protection Forests near the Timberline in Finnish Lapland.

Authors: Varmola, Martti Hyppönen, Mikko Mäkitalo, Kari et al.

Source: Scandinavian Journal of Forest Research. Oct2004, Vol. 19 Issue 5, p424-441. 18p.

Subject Terms: *Forest management, *Forest regeneration, *Planting, *Sowing, *Sustainable forestry, *Forests & forestry

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Neural Network-Based Climate Prediction for the 21st Century Using the Finnish Multi-Millennial Tree-Ring Chronology.

Authors: Kasatkina, Elena A. Shumilov, Oleg I. Timonen, Mauri

Source: Geosciences (2076-3263). Aug2024, Vol. 14 Issue 8, p212. 12p.

Regional climatic signals in Scots pine growth with insights into snow and soil associations.

Authors: Helama, Samuli Mielikäinen, Kari Timonen, Mauri et al.

Source: Dendrobiology. 2013, Vol. 70, p27-34. 8p.

The supra-long Scots pine tree-ring record for Finnish Lapland: Part 2, interannual to centennial variability in summer temperatures for 7500 years.

Authors: Helama, Samuli Lindholm, Markus Timonen, Mauri et al.

Source: Holocene. Nov2002, Vol. 12 Issue 6, p681-687. 7p.

Recurrent transitions to Little Ice Age-like climatic regimes over the Holocene.

Authors: Helama, Samuli Stoffel, Markus Hall, Richard J. et al.

Source: Climate Dynamics. Jun2021, Vol. 56 Issue 11/12, p3817-3833. 17p.