Assessing the signals of the Hale solar cycle in temperature proxy records from Northern Fennoscandia

Autor: Ogurtsov, M., Veretenenko, S.V., Helama, S., Jalkanen, R., Lindholm, M.

Publikováno v: In Advances in Space Research 1 November 2020 66(9):2113-2121

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Oak decline in Helsinki portrayed by tree-rings, climate and soil data

Autor: Helama, S., Läänelaid, A., Raisio, J., Tuomenvirta, H.

Publikováno v: Plant and Soil, 2009 Jun 01. 319(1/2), 163-174.

Externí odkaz: https://www.jstor.org/stable/24124222

Combining the archives of nature and society: Tree rings and tithes

Autor: Huhtamaa, H, Helama, S, Leijonhufvud, L, Ljungqvist, Charpentier F

Publikováno v: Huhtamaa, Heli; Helama, S; Leijonhufvud, L; Ljungqvist, Charpentier F (2020). Combining the archives of nature and society: Tree rings and tithes. Past Global Changes Magazine, 28(2), pp. 50-51. Pages International Project Office 10.22498/pages.28.2.50

The impacts of future climate change on agriculture form a crucial issue for food security. Valuable insights into this topic can be gained by studying the impacts of past climate on crop cultivation ��� not only in recent history, but also ove

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::61e5f171c052a3d40c600b2b55e38638
https://boris.unibe.ch/154864/1/Huhtamaa_et_al_2020_PAGESmagazine_28_2__50-51.pdf

Fractal and topological dynamics for the analysis of paleoclimatic records

Autor: Karimova, L., Kuandykov, Y., Makarenko, N., Novak, M.M., Helama, S.

Publikováno v: In Physica A: Statistical Mechanics and its Applications 2007 373:737-746