World's Best Scientists 2026 revealed!
Andri Stefánsson

Andri Stefánsson

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Earth Science
Iceland
2026

D-Index & Metrics

Earth Science

D-Index
46
Citations
8655
World Ranking
4185
National Ranking
10

Andri Stefánsson 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 Andri Stefánsson 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: 178 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Andri Stefánsson 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 Andri Stefánsson 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: 46 D-Index — 46th percentile

46% 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

Andri Stefánsson is affiliated with the University of Iceland in Iceland and has contributed extensively to the field of Earth and Planetary Sciences, with a total of 96 publications. Their research spans several subfields including Geophysics, Geochemistry and Petrology, Mechanics of Materials, Environmental Chemistry, and Atmospheric Science.

The scientist's work covers a broad range of main topics, emphasizing Geological and Geochemical Analysis, Hydrocarbon Exploration and Reservoir Analysis, Earthquake and Tectonic Studies, Methane Hydrates and Related Phenomena, Groundwater and Isotope Geochemistry, Geology and Paleoclimatology Research, and Geochemistry and Geologic Mapping.

Stefánsson has published in multiple scientific venues, notably including:

  • Geochimica et Cosmochimica Acta
  • Journal of Volcanology and Geothermal Research
  • Earth and Planetary Science Letters
  • Chemical Geology
  • Geothermics

Several recent papers exemplify their research focus:

  • Rapid shifting of a deep magmatic source at Fagradalsfjall volcano, Iceland (2022, Nature)
  • Hydrothermal 15N15N abundances constrain the origins of mantle nitrogen (2020, Nature)
  • Geochemistry of thermal fluids and the genesis of granite-hosted Huangshadong geothermal system, Southeast China (2023, Geothermics)
  • Relative Abundance of Thiolated Species of As, Mo, W, and Sb in Hot Springs of Yellowstone National Park and Iceland (2020, Environmental Science & Technology)
  • A pre-injection assessment of CO2 and H2S mineralization reactions at the Nesjavellir (Iceland) geothermal storage site (2022, International journal of greenhouse gas control)

Frequent coauthors with whom Stefánsson has collaborated include:

  • Sæmundur A. Halldórsson
  • Barbara I. Kleine
  • Jóhann Gunnarsson-Robin
  • Eemu Ranta
  • Samuel Scott

Best Publications

  • Iron(III) Hydrolysis and Solubility at 25 °C

    Andri Stefánsson

  • Mineral sequestration of carbon dioxide in basalt: A pre-injection overview of the CarbFix project

    Sigurdur Reynir Gislason;Domenik Wolff-Boenisch;Andri Stefansson;Eric H. Oelkers

  • Magmatic vapor contraction and the transport of gold from the porphyry environment to epithermal ore deposits

    Christoph A. Heinrich;Thomas Driesner;Andri Stefánsson;Terry M. Seward

  • Gold(I) complexing in aqueous sulphide solutions to 500°C at 500 bar

    A. Stefánsson;T.M. Seward

  • Fluid-Fluid Interactions in Geothermal Systems

    Stefán Arnórsson;Andri Stefánsson;Jón Örn Bjarnason

  • CHEMICAL WEATHERING OF BASALTS, SOUTHWEST ICELAND: EFFECT OF ROCK CRYSTALLINITY AND SECONDARY MINERALS ON CHEMICAL FLUXES TO THE OCEAN

    Andri Stefánsson;Sigurdur R. Gíslason

  • Sampling and analysis of geothermal fluids

    S. Arnórsson;J. Ö. Bjarnason;N. Giroud;I. Gunnarsson

  • Dissolution of primary minerals of basalt in natural waters

    Andri Stefánsson

  • The CarbFix Pilot Project–Storing carbon dioxide in basalt

    Juerg M. Matter;W.S. Broecker;S.R. Gislason;E. Gunnlaugsson

  • Permanent carbon dioxide storage into basalt: the CarbFix Pilot Project, Iceland

    Juerg M. Matter;W.S. Broecker;M. Stute;S.R. Gislason

  • CO2-water–basalt interaction. Low temperature experiments and implications for CO2 sequestration into basalts

    Alexander P. Gysi;Andri Stefánsson

  • New methods for the direct determination of dissolved inorganic, organic and total carbon in natural waters by Reagent-Free Ion Chromatography and inductively coupled plasma atomic emission spectrometry.

    Andri Stefánsson;Ingvi Gunnarsson;Niels Giroud

  • The chemistry of trace elements in surface geothermal waters and steam, Iceland

    Hanna Kaasalainen;Andri Stefánsson

  • CO2–water–basalt interaction. Numerical simulation of low temperature CO2 sequestration into basalts

    Alexander P. Gysi;Andri Stefánsson

  • Dissolution of primary minerals in natural waters

    Andri Stefánsson;Sigurdur R Gı́slason;Stefán Arnórsson

  • Assessment of feldspar solubility constants in water in the range of 0 degrees to 350 degrees C at vapor saturation pressures

    Stefan Arnorsson;Andri Stefansson

  • Experimental determination of the stability and stoichiometry of sulphide complexes of silver(I) in hydrothermal solutions to 400°C

    A. Stefánsson;T.M. Seward

  • Stability of chloridogold(I) complexes in aqueous solutions from 300 to 600°C and from 500 to 1800 bar

    A. Stefánsson;T.M. Seward

  • Environmental pressure from the 2014–15 eruption of Bárðarbunga volcano, Iceland

    S.R. Gislason;G. Stefánsdóttir;M.A. Pfeffer;S. Barsotti

  • Mineralogical aspects of CO2 sequestration during hydrothermal basalt alteration — An experimental study at 75 to 250°C and elevated pCO2

    Alexander P. Gysi;Andri Stefánsson

  • Gas pressures and redox reactions in geothermal fluids in Iceland

    Andri Stefánsson;Stefán Arnórsson

  • Feldspar saturation state in natural waters

    Andri Stefánsson;Stefán Arnórsson

Frequent Co-Authors

Stefán Arnórsson
Stefán Arnórsson University of Iceland
S. A. Halldorsson
S. A. Halldorsson University of Iceland
Sigurdur R. Gislason
Sigurdur R. Gislason University of Iceland
Eric H. Oelkers
Eric H. Oelkers University of Iceland
Jaime D. Barnes
Jaime D. Barnes The University of Texas at Austin
Terry M. Seward
Terry M. Seward Victoria University of Wellington
Martin Stute
Martin Stute Lamont-Doherty Earth Observatory
Wallace S. Broecker
Wallace S. Broecker Lamont-Doherty Earth Observatory
Pascale Bénézeth
Pascale Bénézeth Federal University of Toulouse Midi-Pyrénées

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