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2026

R. S. J. Sparks 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 R. S. J. Sparks 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.

R. S. J. Sparks 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 R. S. J. Sparks 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 United Kingdom Leader Award
  • 2025 - Research.com Earth Science in United Kingdom Leader Award
  • 2022 - Research.com Earth Science in United Kingdom Leader Award
  • 2012 - Member of Academia Europaea
  • 1998 - Fellow of American Geophysical Union (AGU)

Overview

R. S. J. Sparks is affiliated with the University of Bristol in the United Kingdom. Their research primarily spans Earth and Planetary Sciences, with a focus on subfields that include Geophysics, Atmospheric Science, Modeling and Simulation, Infectious Diseases, and Clinical Psychology.

The scientist has contributed to studies on a variety of main topics, such as:

  • earthquake and tectonic studies
  • Geological and Geochemical Analysis
  • Geology and Paleoclimatology Research
  • High-pressure geophysics and materials
  • COVID-19 epidemiological studies
  • Viral Infections and Outbreaks Research
  • COVID-19 and Mental Health

R. S. J. Sparks has published frequently in venues including:

  • Bulletin of Volcanology
  • Geological Society London Special Publications
  • Royal Society Open Science
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Climate of the past

Recent published papers include:

  • Responding to eruptive transitions during the 2020-2021 eruption of La Soufrière volcano, St. Vincent (2022) in Nature Communications
  • New insights into the ∼74ka Toba eruption from sulfur isotopes of polar ice cores (2021) in Climate of the past
  • VOLCORE, a global database of visible tephra layers sampled by ocean drilling (2020) in Scientific Data
  • Timescales for pluton growth, magma-chamber formation and super-eruptions (2022) in Nature
  • Estimating tephra fall volume from point-referenced thickness measurements (2022) in Geophysical Journal International

The scientist has collaborated frequently with co-authors including Willy Aspinall, Jenni Barclay, A. Rust, Augusto Neri, and Richard Robertson.

Awards received by R. S. J. Sparks include:

  • Member of Academia Europaea (2012)
  • Fellow of American Geophysical Union (AGU) (1998)

Best Publications

  • The Genesis of Intermediate and Silicic Magmas in Deep Crustal Hot Zones

    Catherine Annen;Jon D Blundy;R. S. J. Sparks

  • The Generation of Granitic Magmas by Intrusion of Basalt into Continental Crust

    Herbert E. Huppert;R. Stephen J. Sparks

  • The dynamics of bubble formation and growth in magmas: A review and analysis

    R.S.J. Sparks

  • Vertically extensive and unstable magmatic systems: A unified view of igneous processes

    Katharine V. Cashman;R. Stephen J. Sparks;Jonathan D. Blundy

  • Quantitative models of the fallout and dispersal of tephra from volcanic eruption columns

    S. Carey;R. S. J. Sparks

  • Thermal and mechanical constraints on mixing between mafic and silicic magmas

    R.S.J. Sparks;L.A. Marshall

  • Explosive volcanic eruptions — IV. The control of magma properties and conduit geometry on eruption column behaviour

    Lionel Wilson;R. Stephen J. Sparks;George P. L. Walker

  • Grain size variations in ignimbrites and implications for the transport of pyroclastic flows

    R. S. J. Sparks

  • Effects of repetitive emplacement of basaltic intrusions on thermal evolution and melt generation in the crust

    CJ Annen;R S J Sparks

  • Products of Ignimbrite Eruptions

    R.S.J. Sparks;S. Self;G.P.L. Walker

  • Forecasting volcanic eruptions

    R.S.J. Sparks

  • Remobilization of Andesite Magma by Intrusion of Mafic Magma at the Soufriere Hills Volcano, Montserrat, West Indies

    M. D. Murphy;R. S. J. Sparks;J. Barclay;M. R. Carroll

  • The Control of Volcanic Column Heights by Eruption Energetics and Dynamics

    L. Wilson;R. S. J. Sparks;T. C. Huang;N. D. Watkins

  • The dimensions and dynamics of volcanic eruption columns

    R. S. J. Sparks

  • Nonlinear dynamics of lava dome extrusion

    OE Melnik;R S J Sparks

  • Causes and consequences of pressurisation in lava dome eruptions

    R.S.J. Sparks

  • Mineral disequilibrium in lavas explained by convective self-mixing in open magma chambers.

    S. Couch;R. S. J. Sparks;M. R. Carroll

  • The significance of vitric-enriched air-fall ashes associated with crystal-enriched ignimbrites

    R.S.J. Sparks;R.S.J. Sparks;G.P.L. Walker;G.P.L. Walker

  • Dynamical constraints on kimberlite volcanism

    R S J Sparks;L Baker;RJ Brown;M Field

  • An experimental investigation of sill formation and propagation in layered elastic media

    Unknown

  • A model for the formation of ignimbrite by gravitational column collapse

    R. S. J. Sparks;L. Wilson

Frequent Co-Authors

Barry Voight
Barry Voight Pennsylvania State University
Susan C. Loughlin
Susan C. Loughlin British Geological Survey
Richard A. Herd
Richard A. Herd University of East Anglia
Jeremy C Phillips
Jeremy C Phillips University of Bristol
Willy P Aspinall
Willy P Aspinall University of Bristol
Peter Malin
Peter Malin University of Auckland
Steven Carey
Steven Carey University of Rhode Island
Paul D. Cole
Paul D. Cole Plymouth University
Eliza S. Calder
Eliza S. Calder University of Edinburgh

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