World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
34
Citations
4083
World Ranking
8026
National Ranking
239

Kenji Ohta 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 Kenji Ohta 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: 216 publications — 66th percentile

66% of scientists in this discipline score the same or lower.

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

Kenji Ohta 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 Kenji Ohta 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: 34 D-Index — 7th percentile

7% of scientists in this discipline score the same or lower.

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

Best Publications

  • The high conductivity of iron and thermal evolution of the Earth’s core

    Hitoshi Gomi;Kenji Ohta;Kei Hirose;Kei Hirose;Stéphane Labrosse;Stéphane Labrosse

  • Experimental determination of the electrical resistivity of iron at Earth’s core conditions

    Kenji Ohta;Yasuhiro Kuwayama;Kei Hirose;Katsuya Shimizu

  • Monitoring of ULF (Ultra-Low-Frequency) Geomagnetic Variations Associated with Earthquakes

    Masashi Hayakawa;Katsumi Hattori;Kenji Ohta

  • Experimental and theoretical evidence for pressure-induced metallization in FeO with rocksalt-type structure.

    Kenji Ohta;R. E. Cohen;Kei Hirose;Kei Hirose;Kristjan Haule

  • The electrical conductivity of post-perovskite in Earth's D'' layer.

    Kenji Ohta;Suzue Onoda;Kei Hirose;Kei Hirose;Ryosuke Sinmyo

  • Lattice thermal conductivity of MgSiO3 perovskite and post-perovskite at the core–mantle boundary

    Kenji Ohta;Takashi Yagi;Naoyuki Taketoshi;Kei Hirose;Kei Hirose

  • Interrelation between ELF transients and ionospheric disturbances in association with sprites and elves

    Yasuhide Hobara;N. Iwasaki;T. Hayashida;M. Hayakawa

  • Phase transitions in pyrolite and MORB at lowermost mantle conditions: Implications for a MORB-rich pile above the core–mantle boundary

    Kenji Ohta;Kei Hirose;Kei Hirose;Thorne Lay;Nagayoshi Sata

  • Anomalous effect in Schumann resonance phenomena observed in Japan, possibly associated with the Chi-chi earthquake in Taiwan

    M. Hayakawa;K. Ohta;A. P. Nickolaenko;A. P. Nickolaenko;Y. Ando

  • Wave characteristics of tweek atmospherics deduced from the direction-finding measurement and theoretical interpretation

    M. Hayakawa;K. Ohta;K. Baba

  • Phase boundary of hot dense fluid hydrogen

    Unknown

  • ULF/ELF emissions observed in Japan, possibly associated with the Chi-Chi earthquake in Taiwan

    K. Ohta;K. Umeda;N. Watanabe;M. Hayakawa

  • Electromagnetic precursors to the 2004 Mid Niigata Prefecture earthquake

    M. Hayakawa;K. Ohta;S. Maekawa;T. Yamauchi

  • Experimental evidence of superionic conduction in H2O ice

    Emiko Sugimura;Tetsuya Komabayashi;Kenji Ohta;Kei Hirose

  • Thermal conductivity of ferropericlase in the Earth's lower mantle

    Kenji Ohta;Takashi Yagi;Kei Hirose;Yasuo Ohishi

  • Electrical conductivities of pyrolitic mantle and MORB materials up to the lowermost mantle conditions

    Kenji Ohta;Kei Hirose;Kei Hirose;Masahiro Ichiki;Katsuya Shimizu

  • Survey of anomalous Schumann resonance phenomena observed in Japan, in possible association with earthquakes in Taiwan

    Kenji Ohta;Nobuo Watanabe;Masashi Hayakawa

  • Pressure-induced reentrant metallic phase in lithium

    Unknown

  • Spaced direction finding of nighttime whistlers at low and equatorial latitudes and their propagation mechanism

    M. Hayakawa;K. Ohta;S. Shimakura

  • The ULF/ELF electromagnetic radiation before the 11 March 2011 Japanese earthquake

    K. Ohta;J. Izutsu;A. Schekotov;M. Hayakawa

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Related Online Degrees & Career Pathways

Studying Earth Science in the USA opens doors to diverse career paths beyond traditional geology or environmental science roles. Many students complement their scientific expertise with degrees in management, communication, or education to expand their opportunities.

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For adult learners or seniors wanting to upskill quickly, some institutions offer one year degree for seniors programs, providing flexible options to advance knowledge without long commitments.

Lastly, careers in data management and library sciences related to Earth Science research may benefit from ALA accredited MLIS programs, which emphasize information organization and accessibility.

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