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Stefán Arnórsson

Stefán Arnórsson

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Earth Science
Iceland
2026

Stefán Arnórsson 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 Stefán Arnórsson 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+

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

Stefán Arnórsson 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 Stefán Arnórsson 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+

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

Stefán Arnórsson is affiliated with the University of Iceland in Iceland and works in multiple intersecting fields including geochemistry, environmental chemistry, and materials science. Their research covers a range of scientific topics concentrating on geochemical processes, isotope studies, and material behavior at the molecular level.

The scientist's work integrates several subfields such as:

  • Geochemistry and Petrology
  • Environmental Chemistry
  • Mechanics of Materials
  • Materials Chemistry
  • Atomic and Molecular Physics, and Optics

Stefán's research contributions address diverse topics, including:

  • Groundwater and Isotope Geochemistry
  • Methane Hydrates and Related Phenomena
  • Hydrocarbon exploration and reservoir analysis
  • Mesoporous Materials and Catalysis
  • Photonic Crystals and Applications
  • Iron oxide chemistry and applications

A selection of recent papers demonstrates the scientist's focus on geochemical processes and experimental methods. These papers include:

  • Assessing the sources of inorganic carbon in surface-, soil- and non-thermal groundwater in Iceland by δ13C and 14C, 2020, Geochimica et Cosmochimica Acta
  • Silica polymerization and nanocolloid nucleation and growth kinetics in aqueous solutions, 2024, Geochimica et Cosmochimica Acta
  • Silica polymerization experimental data, 2023, Zenodo (CERN European Organization for Nuclear Research)
  • Silica polymerization experimental data, 2023, Zenodo (CERN European Organization for Nuclear Research)

Frequent collaboration with other scientists is part of Stefán's research activities. Notable coauthors include:

  • Andri Stefánsson
  • Samuel Scott
  • Iwona Gałeczka
  • Ingvi Gunnarsson
  • Árný E. Sveinbjörnsdóttir

The scientist regularly publishes in established venues, primarily:

  • Geochimica et Cosmochimica Acta
  • Zenodo (CERN European Organization for Nuclear Research)

Best Publications

  • The chemistry of geothermal waters in Iceland. III. Chemical geothermometry in geothermal investigations

    Stefán Arnórsson;Einar Gunnlaugsson;Hördur Svavarsson

  • Amorphous silica solubility and the thermodynamic properties of H4SiO°4 in the range of 0° to 350°C at Psat

    Ingvi Gunnarsson;Stefán Arnórsson

  • Chemical weathering of basalt in Southwest Iceland; effects of runoff, age of rocks and vegetative/glacial cover

    Sigurdur Reynir Gislason;Stefan Arnorsson;Halldor Armannsson

  • The chemistry of geothermal waters in Iceland. I. Calculation of aqueous speciation from 0° to 370°C

    Stefán Arnórsson;Sven Sigurdsson;Hördur Svavarsson

  • The chemistry of geothermal waters in Iceland. II. Mineral equilibria and independent variables controlling water compositions

    Stefán Arnórsson;Einar Gunnlaugsson;Hördur Svavarsson

  • Processes controlling the distribution of boron and chlorine in natural waters in Iceland

    Stefán Arnórsson;Audur Andrésdóttir

  • Geothermal systems in Iceland: Structure and conceptual models—I. High-temperature areas

    Stefán Arnórsson

  • New gas geothermometers for geothermal exploration—calibration and application

    Stefán Arnórsson;Einar Gunnlaugsson

  • Chemical equilibria in icelandic geothermal systems—Implications for chemical geothermometry investigations

    S. Arnórsson

  • Fluid-Fluid Interactions in Geothermal Systems

    Stefán Arnórsson;Andri Stefánsson;Jón Örn Bjarnason

  • The use of mixing models and chemical geothermometers for estimating underground temperatures in geothermal systems

    Stefán Arnórsson

  • Application of the silica geothermometer in low temperature hydrothermal areas in Iceland

    Unknown

  • Sampling and analysis of geothermal fluids

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

  • Dissolution of primary basaltic minerals in natural waters: saturation state and kinetics

    Sigurdur R. Gislason;Stefán Arnórsson

  • Porosity evolution and mineral paragenesis during low-grade metamorphism of basaltic lavas at Teigarhorn, eastern Iceland

    Philip S. Neuhoff;Thrainn Fridriksson;Stefan Arnorsson;Dennis K. Bird

  • Dissolution of primary minerals in natural waters

    Andri Stefánsson;Sigurdur R Gı́slason;Stefán Arnórsson

  • Helium isotopes in Icelandic geothermal systems: I. 3He, gas chemistry, and 13C relations

    R.J Poreda;H Craig;S Arnórsson;J.A Welhan

  • 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

  • Deposition of calcium carbonate minerals from geothermal waters; Theoretical considerations

    Stefán Arnórsson

  • The boron isotope systematics of Icelandic geothermal waters: 1. Meteoric water charged systems

    J.K. Aggarwal;M.R. Palmer;T.D. Bullen;S. Arnórsson

  • Feldspar saturation state in natural waters

    Andri Stefánsson;Stefán Arnórsson

Frequent Co-Authors

Andri Stefánsson
Andri Stefánsson University of Iceland
Dennis K. Bird
Dennis K. Bird Stanford University
Jan Heinemeier
Jan Heinemeier Aarhus University
Sigurdur R. Gislason
Sigurdur R. Gislason University of Iceland
Jaime D. Barnes
Jaime D. Barnes The University of Texas at Austin
Karl Grönvold
Karl Grönvold University of Iceland
David R. Hilton
David R. Hilton University of California, San Diego
Niels Oskarsson
Niels Oskarsson Nordic Volcanological Center
S. A. Halldorsson
S. A. Halldorsson University of Iceland

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