World's Best Scientists 2026 revealed!
Tomoki Nakamura

Tomoki Nakamura

D-Index & Metrics

Earth Science

D-Index
63
Citations
15119
World Ranking
1587
National Ranking
33

Tomoki Nakamura 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 Tomoki Nakamura 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: 556 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: 524 publications — 98th percentile

98% of scientists in this discipline score the same or lower.

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

Tomoki Nakamura 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 Tomoki Nakamura 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: 181 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: 63 D-Index — 83rd percentile

83% of scientists in this discipline score the same or lower.

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

Overview

Tomoki Nakamura is affiliated with Tohoku University in Japan and focuses their research primarily within the fields of Physics and Astronomy, with a significant emphasis on Astronomy and Astrophysics. Their work spans several related subfields including Geophysics, Ecology, Aerospace Engineering, and Atmospheric Science.

Their scientific contributions concentrate on topics such as Astro and Planetary Science, Planetary Science and Exploration, Isotope Analysis in Ecology, Geological and Geochemical Analysis, High-pressure Geophysics and Materials, Geology and Paleoclimatology Research, as well as Mass Spectrometry Techniques and Applications.

Among their recent publications are:

  • "Preliminary analysis of the Hayabusa2 samples returned from C-type asteroid Ryugu" (2021, Nature Astronomy)
  • "Samples returned from the asteroid Ryugu are similar to Ivuna-type carbonaceous meteorites" (2022, Science)
  • "Formation and evolution of carbonaceous asteroid Ryugu: Direct evidence from returned samples" (2022, Science)
  • "Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution" (2020, Science)
  • "Soluble organic molecules in samples of the carbonaceous asteroid (162173) Ryugu" (2023, Science)

Nakamura frequently collaborates with several co-authors, notably Shogo Tachibana, Sei-ichiro Watanabe, Masanao Abe, Tatsuaki Okada, and Takanalo Saiki, each contributing significantly to shared research outputs.

Their research is published extensively across several scientific venues including:

  • Meteoritics and Planetary Science
  • Earth Planets and Space
  • Geochimica et Cosmochimica Acta
  • Icarus
  • Science Advances

Best Publications

  • Comet 81P/Wild 2 under a microscope.

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

  • Chelyabinsk airburst, damage assessment, meteorite recovery, and characterization

    Olga P. Popova;Peter Jenniskens;Peter Jenniskens;Vacheslav Emel'yanenko;Anna Kartashova

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

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

  • Hayabusa2 arrives at the carbonaceous asteroid 162173 Ryugu—A spinning top–shaped rubble pile

    S. Watanabe;S. Watanabe;M. Hirabayashi;N. Hirata;Na. Hirata

  • Itokawa Dust Particles: A Direct Link Between S-Type Asteroids and Ordinary Chondrites

    Tomoki Nakamura;Takaaki Noguchi;Masahiko Tanaka;Michael E. Zolensky

  • The geomorphology, color, and thermal properties of Ryugu: Implications for parent-body processes

    S. Sugita;S. Sugita;R. Honda;T. Morota;S. Kameda

  • Incipient Space Weathering Observed on the Surface of Itokawa Dust Particles

    Takaaki Noguchi;T. Nakamura;M. Kimura;M. E. Zolensky

  • Three-Dimensional Structure of Hayabusa Samples: Origin and Evolution of Itokawa Regolith

    Akira Tsuchiyama;Masayuki Uesugi;Takashi Matsushima;Tatsuhiro Michikami

  • The surface composition of asteroid 162173 Ryugu from Hayabusa2 near-infrared spectroscopy

    K. Kitazato;R. E. Milliken;T. Iwata;T. Iwata;M. Abe;M. Abe

  • Detailed Images of Asteroid 25143 Itokawa from Hayabusa

    J. Saito;J. Saito;H. Miyamoto;H. Miyamoto;R. Nakamura;M. Ishiguro

  • Chondrulelike Objects in Short-Period Comet 81P/Wild 2

    Tomoki Nakamura;Takaaki Noguchi;Akira Tsuchiyama;Takayuki Ushikubo

  • Post-hydration thermal metamorphism of carbonaceous chondrites

    Tomoki Nakamura

  • Extraterrestrial ribose and other sugars in primitive meteorites.

    Yoshihiro Furukawa;Yoshito Chikaraishi;Yoshito Chikaraishi;Naohiko Ohkouchi;Nanako O. Ogawa

  • Elemental Compositions of Comet 81P/Wild 2 Samples Collected by Stardust

    George J. Flynn;Pierre Bleuet;Janet Borg;John P. Bradley

  • Oxygen isotopic compositions of asteroidal materials returned from Itokawa by the Hayabusa mission.

    Hisayoshi Yurimoto;Ken Ichi Abe;Masanao Abe;Mitsuru Ebihara

  • Sample collection from asteroid (162173) Ryugu by Hayabusa2: Implications for surface evolution

    T. Morota;T. Morota;S. Sugita;S. Sugita;Y. Cho;M. Kanamaru

  • Space weathered rims found on the surfaces of the Itokawa dust particles

    Takaaki Noguchi;Makoto Kimura;Takahito Hashimoto;Mitsuru Konno

  • Comparing Wild 2 particles to chondrites and IDPs

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

  • Petrographic, chemical and spectroscopic evidence for thermal metamorphism in carbonaceous chondrites I: CI and CM chondrites

    Eric Tonui;Mike Zolensky;Takahiro Hiroi;Tomoki Nakamura

  • Prevalence and nature of heating processes in CM and C2-ungrouped chondrites as revealed by insoluble organic matter

    E. Quirico;L. Bonal;P. Beck;C.M.O'd. Alexander

  • The global accretion rate of extraterrestrial materials in the last glacial period estimated from the abundance of micrometeorites in Antarctic glacier ice

    Toru Yada;Toru Yada;Tomoki Nakamura;Nobuo Takaoka;Takaaki Noguchi

Frequent Co-Authors

Takaaki Noguchi
Takaaki Noguchi Kyoto University
Akira Tsuchiyama
Akira Tsuchiyama Ritsumeikan University
Takahiro Hiroi
Takahiro Hiroi Brown University
Michael E. Zolensky
Michael E. Zolensky National Aeronautics and Space Administration
Keisuke Nagao
Keisuke Nagao University of Tokyo
Naru Hirata
Naru Hirata University of Aizu
Sho Sasaki
Sho Sasaki Osaka University
Mitsuru Ebihara
Mitsuru Ebihara Tokyo Metropolitan University
Toshifumi Mukai
Toshifumi Mukai Japan Aerospace Exploration Agency
Hideaki Miyamoto
Hideaki Miyamoto University of Tokyo

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