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Samuli Olavinpoika Helama

20042020

Research output per year

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International and National Collaboration Publications and projects within past five years.

Publications

Buried in water, burdened by nature—Resilience carried the Iron Age people through Fimbulvinter

Oinonen, M., Alenius, T., Arppe, L., Bocherens, H., Etu-Sihvola, H., Helama, S., Huhtamaa, H., Lahtinen, M., Mannermaa, K., Onkamo, P., Palo, J., Sajantila, A., Salo, K., Sundell, T., Vanhanen, S. & Wessman, A., 21 Apr 2020, In : PLoS One. 15, 4, e0231787.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
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Exact dating of the Meghalayan lower boundary based on high-latitude tree-ring isotope chronology

Helama, S. & Oinonen, M., 15 Jun 2019, In : Quaternary Science Reviews. 214, p. 178-184 7 p.

Research output: Contribution to journalArticleScientificpeer-review

Frost rings in 1627 BC and AD 536 in subfossil pinewood from Finnish Lapland

Helama, S., Saranpää, P., Pearson, C., Arppe, L., Holopainen, J., Mäkinen, H., Mielikäinen, K., Nöjd, P., Sutinen, R., Taavitsainen, J-P., Timonen, M., Uusitalo, J. & Oinonen, M., 15 Jan 2019, In : Quaternary Science Reviews. 204, p. 208-215 8 p.

Research output: Contribution to journalArticleScientificpeer-review

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

Helama, S., Arppe, L., Timonen, M., Mielikäinen, K. & Oinonen, M., Nov 2018, In : Global and Planetary Change. 170, p. 20-33 14 p.

Research output: Contribution to journalArticleScientificpeer-review

Arctic moistening provides negative feedbacks to riparian plants

Helama, S., Arppe, L., Mielikäinen, K. & Oinonen, M., Jun 2018, In : Global Change Biology. 24, 6, p. 2691-2707 17 p.

Research output: Contribution to journalArticleScientificpeer-review