World's Best Scientists 2026 revealed!
Helgi Björnsson

Helgi Björnsson

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Earth Science
Iceland
2026

D-Index & Metrics

Earth Science

D-Index
55
Citations
10457
World Ranking
2571
National Ranking
5

Helgi Björnsson publication distribution in Earth Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Earth Science in 2026. The highlighted bar marks where Helgi Björnsson sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 199 publications — 60th percentile

60% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

Helgi Björnsson D-index placement in Earth Science in 2026

The chart shows the D-index (discipline H-index) distribution of Earth Science scientists ranked by Research.com in 2026. The highlighted bar marks where Helgi Björnsson sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 55 D-Index — 67th percentile

67% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Earth Science in Iceland Leader Award
  • 2025 - Research.com Earth Science in Iceland Leader Award

Overview

Helgi Björnsson is affiliated with the University of Iceland in Iceland and has contributed extensively to the field of Earth and Planetary Sciences, with a focus on atmospheric science and cryospheric studies. Their research interests span various subfields including pulmonary and respiratory medicine, management, monitoring, policy and law, as well as ecology.

The scientist's work predominantly centers on cryospheric studies and observations, climate change and permafrost, winter sports injuries and performance, arctic and antarctic ice dynamics, landslides and related hazards, polar research and ecology, and geology and paleoclimatology research. These topics reflect the breadth of their research in understanding both regional and global environmental processes.

Helgi's recent publications highlight key areas within glacier and ice dynamics. Notable papers include:

  • "Subglacial lakes and their changing role in a warming climate" (2022) published in Nature Reviews Earth & Environment
  • "Glacier Changes in Iceland From ∼1890 to 2019" (2020) published in Frontiers in Earth Science
  • "Radio-echo soundings on Icelandic temperate glaciers: history of techniques and findings" (2020) published in Annals of Glaciology
  • "Mass Balance of 14 Icelandic Glaciers, 1945-2017: Spatial Variations and Links With Climate" (2020) published in Frontiers in Earth Science
  • "Application of 'OTSU'-an image segmentation method for differentiation of snow and ice regions of glaciers and assessment of mass budget in Chandra basin, Western Himalaya using Remote Sensing and GIS techniques" (2022) published in Environmental Monitoring and Assessment

The regular collaboration with other researchers is evident in Helgi's extensive network of co-authors. Frequent collaborators include Finnur Pálsson, Vinay Kumar Gaddam, Anil V. Kulkarni, Stephen J. Livingstone, and Yan Li. These partnerships have contributed to multiple interdisciplinary studies combining glaciology, climate science, and advanced remote sensing technologies.

Helgi's work has appeared repeatedly in key journals such as Nature Reviews Earth & Environment, Frontiers in Earth Science, Annals of Glaciology, Environmental Monitoring and Assessment, and the Journal of the Indian Society of Remote Sensing. These venues underline the thematic focus of the scientist's contributions on environmental and Earth science topics.

Best Publications

  • Incidence, Presentation, and Outcomes in Patients With Drug-Induced Liver Injury in the General Population of Iceland

    Einar S. Björnsson;Ottar M. Bergmann;Helgi K. Björnsson;Runar B. Kvaran

  • Abrupt onset of the Little Ice Age triggered by volcanism and sustained by sea‐ice/ocean feedbacks

    Gifford H. Miller;Gifford H. Miller;Áslaug Geirsdóttir;Yafang Zhong;Darren J. Larsen;Darren J. Larsen

  • Segmented lateral dyke growth in a rifting event at Bárðarbunga volcanic system, Iceland

    Freysteinn Sigmundsson;Andrew Hooper;Sigrún Hreinsdóttir;Kristín S. Vogfjörd

  • Subglacial lakes and jökulhlaups in Iceland

    Helgi Björnsson

  • Ice–volcano interaction of the 1996 Gjálp subglacial eruption, Vatnajökull, Iceland

    Magnú T. Gudmundsson;Freysteinn Sigmundsson;Helgi Björnsson

  • The Mass Balance of Circum-Arctic Glaciers and Recent Climate Change

    Julian A. Dowdeswell;Jon Ove Hagen;Helgi Björnsson;Andrey F. Glazovsky

  • Hydrological characteristics of the drainage system beneath a surging glacier

    Helgi Björnsson

  • The thermal regime of sub-polar glaciers mapped by multi-frequency radio-echo sounding

    Helgi Björnsson;Yngvar Gjessing;Svein-Erik Hamran;Jon Ove Hagen

  • Jökulhlaups in Iceland: prediction, characteristics and simulation

    Helgi Björnsson

  • Surges of glaciers in Iceland

    Helgi Björnsson;Finnur Pálsson;Oddur Sigurđsson;Gwenn E. Flowers

  • Hydrology of ice caps in volcanic regions

    S. C. Lundstrom;Helgi Bjornsson

  • Glacial rebound and plate spreading: Results from the first countrywide GPS observations in Iceland

    Thóra Árnadóttir;Björn Lund;Wei Jiang;Halldor Geirsson

  • Estimating the Spatial Distribution of Precipitation in Iceland Using a Linear Model of Orographic Precipitation

    Philippe Crochet;Tómas Jóhannesson;Trausti Jónsson;Oddur Sigurðsson

  • Icelandic glaciers

    Unknown

  • Eight centuries of periodic volcanism at the center of the Iceland hotspot revealed by glacier tephrostratigraphy

    Gudrún Larsen;Magnús T. Gudmundsson;Helgi Björnsson

  • The 1996 eruption at Gjálp, Vatnajökull ice cap, Iceland: efficiency of heat transfer, ice deformation and subglacial water pressure

    Magnús T. Gudmundsson;Freysteinn Sigmundsson;Helgi Björnsson;Thórdís Högnadóttir

  • The regional distribution of mountain permafrost in Iceland

    Bernd Etzelmüller;Herman Farbrot;Águst Guðmundsson;Ole Humlum

  • Ice-volume changes, bias estimation of mass-balance measurements and changes in subglacial lakes derived by lidar mapping of the surface of Icelandic glaciers

    Tómas Jóhannesson;Helgi Björnsson;Eyjólfur Magnússon;Sverrir Guðmundsson

  • Changes in geometry and subglacial drainage of Midre Lovénbreen, Svalbard, determined from digital elevation models

    David Rippin;Ian Willis;Neil Arnold;Andrew Hodson

  • Response of Hofsjökull and southern Vatnajökull, Iceland, to climate change

    G. Aðalgeirsdóttir;T. Jóhannesson;H. Björnsson;F. Pálsson

  • Volcanoes beneath Vatnajökull, Iceland : evidence from radio echo-sounding, earthquakes and jökulhlaups

    H. Björnsson;P. Einarsson

  • Ice velocity determined using conventional and multiple-aperture InSAR

    Noel Gourmelen;S.W. Kim;Andrew Shepherd;J.W. Park;J.W. Park

Frequent Co-Authors

Finnur Pálsson
Finnur Pálsson University of Iceland
Tómas Jóhannesson
Tómas Jóhannesson Icelandic Meteorological Office
Einar Bjornsson
Einar Bjornsson University of Iceland
Etienne Berthier
Etienne Berthier Laboratoire d’Etudes en Géophysique et Océanographie Spatiales
Freysteinn Sigmundsson
Freysteinn Sigmundsson University of Iceland
Magnús T. Gudmundsson
Magnús T. Gudmundsson University of Iceland
Gwenn E. Flowers
Gwenn E. Flowers Simon Fraser University
Helmut Rott
Helmut Rott University of Innsbruck
Thóra Árnadóttir
Thóra Árnadóttir University of Iceland
Gifford H. Miller
Gifford H. Miller University of Colorado Boulder

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