World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
46
Citations
8006
World Ranking
4217
National Ranking
96

Takuji 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 Takuji Nakamura 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: 390 publications — 94th percentile

94% of scientists in this discipline score the same or lower.

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

Takuji 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 Takuji Nakamura 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: 46 D-Index — 46th percentile

46% of scientists in this discipline score the same or lower.

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

Overview

Takuji Nakamura is affiliated with the National Institute of Polar Research in Japan. Their research spans across multiple subfields within Physics and Astronomy, covering areas such as Astronomy and Astrophysics, Nuclear and High Energy Physics, Plant Science, Atmospheric Science, and Geometry and Topology.

The main topics in their work include:

  • Ionosphere and magnetosphere dynamics
  • Atmospheric Ozone and Climate
  • Astrophysics and Cosmic Phenomena
  • Solar and Space Plasma Dynamics
  • Dark Matter and Cosmic Phenomena
  • Geometric and Algebraic Topology
  • Neutrino Physics Research

The scientist has been published frequently in several venues, including:

  • arXiv (Cornell University)
  • Journal of Geophysical Research Space Physics
  • Journal of Geophysical Research Atmospheres
  • Plant and Cell Physiology
  • Journal of Knot Theory and Its Ramifications

Notable recent papers authored or co-authored by Nakamura include:

  • Visualising spatio-temporal distributions of assimilated carbon translocation and release in root systems of leguminous plants, 2020, Scientific Reports
  • First Direct Observational Evidence for Secondary Gravity Waves Generated by Mountain Waves Over the Andes, 2020, Geophysical Research Letters
  • Role Of the Sun and the Middle atmosphere/thermosphere/ionosphere In Climate (ROSMIC): a retrospective and prospective view, 2021, Progress in Earth and Planetary Science
  • Indications of a Cosmic Ray Source in the Perseus-Pisces Supercluster, 2021, arXiv (Cornell University)
  • Interhemispheric Coupling Study by Observations and Modelling (ICSOM): Concept, Campaigns, and Initial Results, 2023, Journal of Geophysical Research Atmospheres

Frequent collaborators in Nakamura's academic work include:

  • Shin Satoh
  • Yasutaka Nakanishi
  • Yoshihiro Tomikawa
  • Mitsumu K. Ejiri
  • K. Shiokawa

Best Publications

  • Seasonal variability of vertical eddy diffusivity in the middle atmosphere: 1. Three‐year observations by the middle and upper atmosphere radar

    Shoichiro Fukao;Manabu D. Yamanaka;Naoki Ao;Wayne K. Hocking

  • Calculation of the calibration constant of polarization lidar and its dependency on atmospheric temperature.

    Andreas Behrendt;Takuji Nakamura

  • Development of Optical Mesosphere Thermosphere Imagers (OMTI)

    K. Shiokawa;Y. Katoh;M. Satoh;M. K. Ejiri

  • Equatorial Atmosphere Radar (EAR): System description and first results

    Shoichiro Fukao;Hiroyuki Hashiguchi;Mamoru Yamamoto;Toshitaka Tsuda

  • Seasonal variations of gravity wave structures in OH airglow with a CCD imager at Shigaraki

    T. Nakamura;A. Higashikawa;T. Tsuda;Y. Matsushita

  • Combined Raman lidar for the measurement of atmospheric temperature, water vapor, particle extinction coefficient, and particle backscatter coefficient

    Andreas Behrendt;Takuji Nakamura;Michitaka Onishi;Rudolf Baumgart

  • On the consistency of model, ground‐based, and satellite observations of tidal signatures: Initial results from the CAWSES tidal campaigns

    W. E. Ward;J. Oberheide;L. P. Goncharenko;T. Nakamura

  • Concentric gravity waves in the mesosphere generated by deep convective plumes in the lower atmosphere near Fort Collins, Colorado

    Jia Yue;Sharon L. Vadas;Chiao-Yao She;Takuji Nakamura

  • Characteristics of gravity waves in the mesosphere observed with the middle and upper atmosphere radar: 1. Momentum flux

    T. Nakamura;T. Tsuda;M. Yamamoto;S. Fukao

  • Convectively generated mesoscale gravity waves simulated throughout the middle atmosphere

    Takeshi Horinouchi;Takuji Nakamura;Jun-ichi Kosaka

  • Geomagnetic conjugate observation of nighttime medium‐scale and large‐scale traveling ionospheric disturbances: FRONT3 campaign

    K. Shiokawa;Y. Otsuka;T. Tsugawa;T. Ogawa

  • Variations of the gravity wave characteristics with height, season and latitude revealed by comparative observations

    T. Tsuda;Y. Murayama;T. Nakamura;R.A. Vincent

  • Breaking of small‐scale gravity wave and transition to turbulence observed in OH airglow

    Y. Yamada;H. Fukunishi;T. Nakamura;T. Tsuda

  • Temperature fluctuations near the mesopause inferred from meteor observations with the middle and upper atmosphere radar

    Masaki Tsutsumi;Toshitaka Tsuda;Takuji Nakamura;Shoichiro Fukao

  • Meteor wind observations with the MU radar

    T. Nakamura;T. Tsuda;M. Tsutsumi;K. Kita

  • Statistical study of short-period gravity waves in OH and OI nightglow images at two separated sites

    M. K. Ejiri;M. K. Ejiri;K. Shiokawa;T. Ogawa;K. Igarashi

  • Mesospheric gravity waves over a tropical convective region observed by OH airglow imaging in Indonesia

    T. Nakamura;T. Aono;T. Aono;T. Tsuda;A. G. Admiranto

  • Global study of northern hemisphere quasi-2-day wave events in recent summers near 90 km altitude

    C. E. Meek;A. H. Manson;Steven J Franke;W. Singer

  • The 6.5‐day wave in the mesosphere and lower thermosphere: Evidence for baroclinic/barotropic instability

    R. S. Lieberman;D. M. Riggin;S. J. Franke;A. H. Manson

  • Program of the Antarctic Syowa MST/IS radar (PANSY)

    Kaoru Sato;Masaki Tsutsumi;Toru Sato;Takuji Nakamura

  • A concentric gravity wave structure in the mesospheric airglow images

    S. Suzuki;K. Shiokawa;Y. Otsuka;T. Ogawa

  • Radar observations of a 3‐day Kelvin wave in the equatorial mesosphere

    Dennis M. Riggin;David C. Fritts;Toshitaka Tsuda;Takuji Nakamura

Frequent Co-Authors

Toshitaka Tsuda
Toshitaka Tsuda Kyoto University
Shoichiro Fukao
Shoichiro Fukao Kyoto University
Kazuo Shiokawa
Kazuo Shiokawa Nagoya University
Mamoru Yamamoto
Mamoru Yamamoto Kyoto University
Yuichi Otsuka
Yuichi Otsuka Nagoya University
Toru Sato
Toru Sato Kyoto University
Tadahiko Ogawa
Tadahiko Ogawa National Institute of Information and Communications Technology
Robert A. Vincent
Robert A. Vincent University of Adelaide
Kaoru Sato
Kaoru Sato University of Tokyo
Michael J. Taylor
Michael J. Taylor Utah State University

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