World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
43
Citations
8202
World Ranking
4905
National Ranking
46

Matt O'Regan 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 Matt O'Regan 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: 246 publications — 76th percentile

76% of scientists in this discipline score the same or lower.

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

Matt O'Regan 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 Matt O'Regan 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: 43 D-Index — 37th percentile

37% of scientists in this discipline score the same or lower.

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

Overview

Matt O'Regan is affiliated with Stockholm University in Sweden and has contributed extensively to the fields of Earth and Planetary Sciences and Environmental Science. Their research focuses primarily on atmospheric science, environmental chemistry, geology, oceanography, and global and planetary change.

O'Regan has explored a range of topics that include methane hydrates and related phenomena, geology and paleoclimatology research, geological studies and exploration, cryospheric studies and observations, Arctic and Antarctic ice dynamics, climate change and permafrost, and hydrocarbon exploration and reservoir analysis.

Their recent papers span multiple influential journals and cover diverse geoscientific subjects. Key publications include:

  • "Ryder Glacier in northwest Greenland is shielded from warm Atlantic water by a bathymetric sill," 2020, Communications Earth & Environment
  • "Remobilization of dormant carbon from Siberian-Arctic permafrost during three past warming events," 2020, Science Advances
  • "Subsea permafrost carbon stocks and climate change sensitivity estimated by expert assessment," 2020, Environmental Research Letters
  • "Future Projections of Petermann Glacier Under Ocean Warming Depend Strongly on Friction Law," 2021, Journal of Geophysical Research Earth Surface
  • "Calcareous nannofossils anchor chronologies for Arctic Ocean sediments back to 500 ka," 2020, Geology

They have frequently collaborated with several researchers, including Martin Jakobsson, Christian Stranne, Thomas M. Cronin, Gabriel West, and Helen K. Coxall. These collaborations have contributed to a range of multidisciplinary studies within their areas of expertise.

O'Regan's work has been published repeatedly in key venues such as The Cryosphere, SSRN Electronic Journal, Communications Earth & Environment, Quaternary Science Reviews, and Geochronology. These outlets reflect their interest and activity in cryospheric processes, geochronological methods, and broader environmental and Earth science themes.

Best Publications

  • Subtropical Arctic Ocean temperatures during the Palaeocene/Eocene thermal maximum

    Appy Sluijs;Stefan Schouten;Mark Pagani;Martijn Woltering

  • The Cenozoic palaeoenvironment of the Arctic Ocean.

    Kathryn Moran;Jan Backman;Henk Brinkhuis;Steven C. Clemens

  • History of sea ice in the Arctic

    Leonid Polyak;Richard B. Alley;John T. Andrews;Julie Brigham-Grette

  • The early Miocene onset of a ventilated circulation regime in the Arctic Ocean

    Martin Jakobsson;Jan Backman;Bert Rudels;Jonas Nycander

  • Ryder Glacier in northwest Greenland is shielded from warm Atlantic water by a bathymetric sill

    Martin Jakobsson;Larry A. Mayer;Johan Nilsson;Christian Stranne

  • Age model and core-seismic integration for the Cenozoic Arctic Coring Expedition sediments from the Lomonosov Ridge

    Jan Backman;Martin Jakobsson;Martin Frank;Francesca Sangiorgi

  • Arctic Ocean glacial history

    Martin Jakobsson;Martin Jakobsson;Karin Andreassen;Lilja Rún Bjarnadóttir;Dayton Dove

  • Erosion of organic carbon in the Arctic as a geological carbon dioxide sink

    Robert G. Hilton;Valier Galy;Jérôme Gaillardet;Mathieu Dellinger

  • Planktonic foraminifera stable isotopes and water column structure: Disentangling ecological signals

    Heather Birch;Helen Kathrine Coxall;Helen Kathrine Coxall;Paul Nicholas Pearson;Dick Kroon

  • Evidence for an ice shelf covering the central Arctic Ocean during the penultimate glaciation

    Martin Jakobsson;Martin Jakobsson;Johan Nilsson;Leif G. Anderson;Jan Backman

  • An Arctic Ocean ice shelf during MIS 6 constrained by new geophysical and geological data

    Martin Jakobsson;Johan Nilsson;Matthew O'Regan;Jan Backman

  • Geological record of ice shelf break-up and grounding line retreat, Pine Island Bay, West Antarctica

    Martin Jakobsson;John B. Anderson;Frank O. Nitsche;Julian A. Dowdeswell

  • Constraints on the Pleistocene chronology of sediments from the Lomonosov Ridge

    Matthew O'Regan;John King;Jan Backman;Martin Jakobsson

  • Post-glacial flooding of the Bering Land Bridge dated to 11 cal ka BP based on new geophysical and sediment records

    Martin Jakobsson;Christof Pearce;Christof Pearce;Thomas M. Cronin;Jan Backman

  • Quaternary Arctic Ocean sea ice variations and radiocarbon reservoir age corrections

    Daniela Hanslik;Martin Jakobsson;Jan Backman;Svante Björck

  • Ice sheet retreat dynamics inferred from glacial morphology of the central Pine Island Bay Trough, West Antarctica

    Martin Jakobsson;John B. Anderson;Frank O. Nitsche;Richard Gyllencreutz

  • A 26 million year gap in the central Arctic record at the greenhouse-icehouse transition: looking for clues

    Francesca Sangiorgi;Hans-Juergen Brumsack;Debra A. Willard;Stefan Schouten

  • Post-LGM deglaciation in Pine Island Bay, West Antarctica

    Alexandra E. Kirshner;John B. Anderson;Martin Jakobsson;Matthew O’Regan

  • Export of nutrient rich Northern Component Water preceded early Oligocene Antarctic glaciation

    Helen K. Coxall;Claire E. Huck;Claire E. Huck;Matthew Huber;Matthew Huber;Caroline H. Lear

  • Mid‐Cenozoic tectonic and paleoenvironmental setting of the central Arctic Ocean

    Matthew O’Regan;Kathryn Moran;Jan Backman;Martin Jakobsson

  • Variability in transport of terrigenous material on the shelves and the deep Arctic Ocean during the Holocene

    Carolyn Wegner;Katrina E. Bennett;Anne de Vernal;Matthias Forwick

  • Erratum: Arctic hydrology during global warming at the Palaeocene/Eocene thermal maximum (Nature (2006) 442 (671-675))

    Mark Pagani;Nikolai Pedentchouk;Matthew Huber;Appy Sluijs

  • Geological record of ice shelf break-up and grounding line retreat, Pine Island

    Wojciech Majewski;Björn Eriksson;Alexandra Kirshner;Rodrigo Fernandez

Frequent Co-Authors

Martin Jakobsson
Martin Jakobsson Stockholm University
Helen K. Coxall
Helen K. Coxall Stockholm University
Jan Backman
Jan Backman Stockholm University
Jens Matthiessen
Jens Matthiessen Alfred Wegener Institute for Polar and Marine Research
Henk Brinkhuis
Henk Brinkhuis Utrecht University
Igor Semiletov
Igor Semiletov Russian Academy of Sciences
Thomas M. Cronin
Thomas M. Cronin United States Geological Survey
Heiko Pälike
Heiko Pälike University of Bremen
Ludvig Löwemark
Ludvig Löwemark National Taiwan University
John W. King
John W. King University of Rhode Island

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