Samuli Helama

Senior Scientist
  • Phone number +358295325047
  • Email address samuli.helama@luke.fi
  • Address Ounasjoentie 6 96200 ROVANIEMI

Chronological horizon of Weichselian submoraine organic formation and macrofossil finds with radiocarbon and tree-ring δ18O analyses

Refereed scientific publications
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2026

Sclerochronology of paired valves: A case study of Margaritifera margaritifera (Bivalvia: Margaritiferidae)

Refereed scientific publications
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2025

Low-frequency patterns in Late-Holocene tree-ring records from northern Fennoscandia

Refereed scientific publications
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2025

Growth response of Norway spruce trees to selection harvest in continuous cover forestry stands on drained boreal peatlands

Refereed scientific publications
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2025

Summer 2024 in northern Fennoscandia was very likely the warmest in 2000 years

Refereed scientific publications
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2025

Boreal temperature variability inferred from latewood maximum density and historical plant phenology records

Refereed scientific publications
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2025

A walk to Siccar Point

Other publications
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2024

Tree growth history, legacy of large-scale forest management and climatic variability in North Finland

Refereed scientific publications
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2024

The 4.2 ka event: A review of palaeoclimate literature and directions for future research

Refereed scientific publications
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2024

Nonoverlapping Magisteria Versus Science-Religion Integration: Rereading Stephen Jay Gould

Refereed scientific publications
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2024

An integration of µXRF and X-ray microdensitometry records in dendrochronology

Refereed scientific publications
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2024

Developing millennial tree-ring chronology for Turku (Åbo) and comparing palaeoclimatic signals inferred from archaeological, subfossil and living Pinus sylvestris data in Southwest Finland

Refereed scientific publications
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2024

Transient Offset in 14C After the Carrington Event Recorded by Polar Tree Rings

Refereed scientific publications
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2024

Distinguishing Type I and II errors in statistical tree-ring dating

Refereed scientific publications
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2023

Frost rings as time markers in Northern Hemisphere tree-ring chronologies, with special reference to the 1627 BC and AD 536 events

Refereed scientific publications
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2023

The written history of plant phenology: shaping primary sources for secondary publications

Refereed scientific publications
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2023

Depositional history of peatland pines (Pinus sylvestris L.) in NW Enontekiö, Finnish Lapland: implications for Middle Holocene drought and temperature fluctuations

Refereed scientific publications
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2023

Plant phenological dataset collated by the Finnish Society of Sciences and Letters

Refereed scientific publications
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2023

Recent unexpected decline of forest growth in North Finland: examining tree-ring, climatic and reproduction data

Refereed scientific publications
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2022

Can indoor environment quality and human well-being be improved by wooden structures?

Refereed scientific publications
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2022

Modelling studies of beef and dairy farming in boreal environments: a review

Refereed scientific publications
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2022

Tricentennial trends in spring ice break-ups on three rivers in northern Europe

Refereed scientific publications
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2022

Disentangling the Evidence of Milankovitch Forcing From Tree-Ring and Sedimentary Records

Refereed scientific publications
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2022

Dendroclimatic signals in Scots pine tree-ring chronologies in southwest Finland

Refereed scientific publications
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2022