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D-Index & Metrics

Earth Science

D-Index
38
Citations
5293
World Ranking
6520
National Ranking
184

Naotaka Tomioka 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 Naotaka Tomioka sits on this spectrum.

38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38 publications 603+

This scientist: 263 publications — 81st percentile

81% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

Naotaka Tomioka 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 Naotaka Tomioka sits on this spectrum.

30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 38 D-Index — 31st percentile

31% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Overview

Naotaka Tomioka is affiliated with the Japan Agency for Marine-Earth Science and Technology in Japan. Their research primarily spans the fields of Physics and Astronomy as well as Earth and Planetary Sciences.

Their work encompasses a number of subfields including Astronomy and Astrophysics, Geophysics, Ecology, Environmental Chemistry, and Atmospheric Science. Key topics covered in their research include Astro and Planetary Science, Planetary Science and Exploration, High-pressure Geophysics and Materials, Geological and Geochemical Analysis, earthquake and tectonic studies, Methane Hydrates and Related Phenomena, and Geology and Paleoclimatology Research.

Naotaka Tomioka has contributed to a range of publications, with frequent appearances in venues such as Meteoritics and Planetary Science, Nature Astronomy, Zenodo (CERN European Organization for Nuclear Research), Journal of Mineralogical and Petrological Sciences, and Nature Communications.

Their published papers include:

  • A pristine record of outer Solar System materials from asteroid Ryugu's returned sample (2022, Nature Astronomy)
  • Probing the hydrothermal system of the Chicxulub impact crater (2020, Science Advances)
  • A steeply-inclined trajectory for the Chicxulub impact (2020, Nature Communications)
  • A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu (2022, Nature Astronomy)
  • Early fluid activity on Ryugu inferred by isotopic analyses of carbonates and magnetite (2023, Nature Astronomy)

Frequent co-authors in their research include Masayuki Uesugi, Kentaro Uesugi, Masanao Abe, Masaaki Miyahara, and Aiko Nakato.

Best Publications

  • Comet 81P/Wild 2 under a microscope.

    Don Brownlee;Peter Tsou;Jérôme Aléon;Conel M O'd Alexander

  • Mineralogy and petrology of comet 81P/wild 2 nucleus samples

    Michael E. Zolensky;Thomas J. Zega;Hajime Yano;Sue Wirick

  • The formation of peak rings in large impact craters

    Joanna V. Morgan;Sean P.S. Gulick;Timothy Bralower;Elise Chenot

  • Natural (Mg,Fe)SiO3-ilmenite and -perovskite in the Tenham meteorite.

    Naotaka Tomioka;Kiyoshi Fujino

  • Rapid recovery of life at ground zero of the end-Cretaceous mass extinction

    Christopher M. Lowery;Timothy J. Bralower;Jeremy D. Owens;Francisco J. Rodríguez-Tovar

  • Comparing Wild 2 particles to chondrites and IDPs

    Michael Zolensky;Keiko Nakamura-Messenger;Frans Rietmeijer;Hugues Leroux

  • The First Day of the Cenozoic

    Sean P.S. Gulick;Timothy J. Bralower;Jens Ormö;Brendon Hall

  • High‐pressure transformations in MgAl2O4

    Nobumasa Funamori;Raymond Jeanloz;Jeffrey H. Nguyen;Abby Kavner

  • High-pressure minerals in shocked meteorites

    Naotaka Tomioka;Masaaki Miyahara

  • A dehydrated space-weathered skin cloaking the hydrated interior of Ryugu

    Unknown

  • Probing the hydrothermal system of the Chicxulub impact crater

    David A. Kring;Sonia M. Tikoo;Martin Schmieder;Ulrich Riller

  • Akimotoite, (Mg,Fe)SiO3, a new silicate mineral of the ilmenite group in the Tenham chondrite

    Naotaka Tomioka;Kiyoshi Fujino

  • IN SITU X-RAY DIFFRACTION STUDY OF ENSTATITE UP TO 12 GPA AND 1473 K AND EQUATIONS OF STATE

    Toru Shinmei;Naotaka Tomioka;Kiyoshi Fujino;Koji Kuroda

  • A steeply-inclined trajectory for the Chicxulub impact

    G S Collins;N Patel;T M Davison;A S P Rae;A S P Rae

  • Rock fluidization during peak-ring formation of large impact structures

    Ulrich Riller;Michael H Poelchau;Auriol S P Rae;Felix M Schulte

  • Tritium in Japanese precipitation following the March 2011 Fukushima Daiichi Nuclear Plant accident.

    Takuya Matsumoto;Teruyuki Maruoka;Gen Shimoda;Hajime Obata

  • P‐V‐T relations of MgSiO3 perovskite determined by in situ X‐ray diffraction using a large‐volume high‐pressure apparatus

    Tomoo Katsura;Sho Yokoshi;Kazuaki Kawabe;Anton Shatskiy

  • Extraordinary rocks from the peak ring of the Chicxulub impact crater: P-wave velocity, density, and porosity measurements from IODP/ICDP Expedition 364

    G.L. Christeson;S.P.S. Gulick;J.V. Morgan;C. Gebhardt

  • Shock-induced transition of NaAlSi3O8 feldspar into a hollandite structure in a L6 chondrite

    Naotaka Tomioka;Hiroshi Mori;Kiyoshi Fujino

  • Thermal expansion of Mg2SiO4 ringwoodite at high pressures

    Tomoo Katsura;Sho Yokoshi;Maoshuang Song;Kazuyuki Kawabe

  • Millennial‐ to submillennial‐scale features of the Matuyama‐Brunhes geomagnetic polarity transition from Osaka Bay, southwestern Japan

    Masayuki Hyodo;Dipzli K. Biswas;Takako Noda;Naotaka Tomioka

  • Elasticity of Ferropericlase across the Spin Crossover in the Earth's Lower Mantle.

    Jing Yang;Xinyue Tong;Jung Fu Lin;Takuo Okuchi

  • Striped iron zoning of olivine induced by dislocation creep in deformed peridotites

    J. Ando;Y. Shibata;Y. Okajima;K. Kanagawa

Frequent Co-Authors

Akira Yamaguchi
Akira Yamaguchi National Institute of Polar Research
Eiji Ohtani
Eiji Ohtani Tohoku University
Kentaro Uesugi
Kentaro Uesugi Stanford University
Sean P.S. Gulick
Sean P.S. Gulick The University of Texas at Austin
Kazuhisa Goto
Kazuhisa Goto University of Tokyo
Ulrich Riller
Ulrich Riller Universität Hamburg
David A. Kring
David A. Kring Lunar and Planetary Institute
Tomoo Katsura
Tomoo Katsura University of Bayreuth
Charles S. Cockell
Charles S. Cockell University of Edinburgh
Akira Miyake
Akira Miyake University of Colorado Boulder

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