D-Index & Metrics Best Publications

D-Index & Metrics D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines.

Discipline name D-index D-index (Discipline H-index) only includes papers and citation values for an examined discipline in contrast to General H-index which accounts for publications across all disciplines. Citations Publications World Ranking National Ranking
Environmental Sciences D-index 31 Citations 4,055 127 World Ranking 6199 National Ranking 94

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Climate change
  • Agriculture

His main research concerns Climatology, Dendrochronology, Dendroclimatology, Paleoclimatology and Ecology. Samuli Helama specializes in Climatology, namely North Atlantic oscillation. Samuli Helama has included themes like El Niño Southern Oscillation, Anomaly and Precipitation, Megadrought in his North Atlantic oscillation study.

His study in Dendrochronology is interdisciplinary in nature, drawing from both Proxy, Statistics, Time series, Woody plant and Chronology. The study incorporates disciplines such as Fagaceae, Scots pine, Frost, Subfossil and Quercus robur in addition to Dendroclimatology. His Paleoclimatology study is related to the wider topic of Climate change.

His most cited work include:

  • Old World megadroughts and pluvials during the Common Era (271 citations)
  • Last millennium Northern Hemisphere summer temperatures from tree rings: Part I: the long term context (189 citations)
  • Detection of climate signal in dendrochronological data analysis: a comparison of tree-ring standardization methods (140 citations)

What are the main themes of his work throughout his whole career to date?

Samuli Helama spends much of his time researching Dendrochronology, Climatology, Climate change, Physical geography and Chronology. Samuli Helama focuses mostly in the field of Dendrochronology, narrowing it down to matters related to Scots pine and, in some cases, Forestry. His studies in Climatology integrate themes in fields like Paleoclimatology and Holocene.

He has researched Paleoclimatology in several fields, including Series and Subarctic climate. His research in the fields of Climatic warming overlaps with other disciplines such as Context, Environmental health, Cause of death and Suicide prevention. His Chronology study combines topics in areas such as Statistics, Sclerochronology and Precipitation.

He most often published in these fields:

  • Dendrochronology (36.75%)
  • Climatology (30.72%)
  • Climate change (20.48%)

What were the highlights of his more recent work (between 2016-2021)?

  • Dendrochronology (36.75%)
  • Physical geography (16.87%)
  • Climatology (30.72%)

In recent papers he was focusing on the following fields of study:

Samuli Helama focuses on Dendrochronology, Physical geography, Climatology, Paleoclimatology and Ecology. He studies Dendrochronology, focusing on Dendroclimatology in particular. Samuli Helama combines subjects such as Spring, Chronology, Phenology and Subfossil with his study of Physical geography.

His work carried out in the field of Climatology brings together such families of science as Little ice age and Arctic. Paleoclimatology is a subfield of Oceanography that Samuli Helama tackles. His Climate change study combines topics from a wide range of disciplines, such as Carbon sequestration and Agriculture.

Between 2016 and 2021, his most popular works were:

  • Last millennium Northern Hemisphere summer temperatures from tree rings: Part II, spatially resolved reconstructions (86 citations)
  • Dark Ages Cold Period: A literature review and directions for future research (76 citations)
  • Tree height strongly affects estimates of water-use efficiency responses to climate and CO2 using isotopes. (53 citations)

In his most recent research, the most cited papers focused on:

  • Ecology
  • Climate change
  • Agriculture

His primary areas of study are Dendrochronology, Climatology, Paleoclimatology, Physical geography and Climate change. His biological study spans a wide range of topics, including Ecology and Atmospheric sciences. His work on Proxy, North Atlantic oscillation and Northern Hemisphere as part of general Climatology study is frequently linked to Research council, therefore connecting diverse disciplines of science.

His Paleoclimatology research incorporates elements of Subarctic climate and Holocene. His work is dedicated to discovering how Physical geography, Subfossil are connected with Interglacial, Volcano, Chronology and Isotopes of carbon and other disciplines. His research in Climate change intersects with topics in Agriculture and Taiga.

This overview was generated by a machine learning system which analysed the scientist’s body of work. If you have any feedback, you can contact us here.

Best Publications

Old World megadroughts and pluvials during the Common Era

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Science Advances (2015)

399 Citations

Last millennium Northern Hemisphere summer temperatures from tree rings: Part I: the long term context

Rob Wilson;Rob Wilson;Kevin Anchukaitis;Kevin Anchukaitis;Keith R. Briffa;Ulf Büntgen.
Quaternary Science Reviews (2016)

244 Citations

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

Samuli Helama;Markus Lindholm;Mauri Timonen;Jouko Meriläinen.
The Holocene (2002)

184 Citations

Detection of climate signal in dendrochronological data analysis: a comparison of tree-ring standardization methods

S. Helama;M. Lindholm;M. Timonen;M. Eronen.
Theoretical and Applied Climatology (2004)

178 Citations

Multicentennial megadrought in northern Europe coincided with a global El Niño–Southern Oscillation drought pattern during the Medieval Climate Anomaly

Samuli Helama;Jouko Meriläinen;Heikki Tuomenvirta.
Geology (2009)

132 Citations

Last millennium Northern Hemisphere summer temperatures from tree rings: Part II, spatially resolved reconstructions

Kevin J. Anchukaitis;Kevin J. Anchukaitis;Rob Wilson;Rob Wilson;Keith R. Briffa;Ulf Büntgen;Ulf Büntgen.
Quaternary Science Reviews (2017)

119 Citations

Dark Ages Cold Period: A literature review and directions for future research

Samuli Helama;Phil D. Jones;Phil D. Jones;Keith R. Briffa.
The Holocene (2017)

115 Citations

Temperature-related birth sex ratio bias in historical Sami: warm years bring more sons

Samuli Helle;Samuli Helama;Jukka Jokela;Jukka Jokela.
Biology Letters (2008)

92 Citations

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†

Samuli Helama;Mauri Timonen;Jari Holopainen;Maxim G. Ogurtsov.
Journal of Quaternary Science (2009)

87 Citations

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

Samuli Helama;Marc Macias Fauria;Kari Mielikäinen;Mauri Timonen.
Geological Society of America Bulletin (2010)

87 Citations

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