World's Best Scientists 2026 revealed!
Hiroshi Wakita

Hiroshi Wakita

D-Index & Metrics

Earth Science

D-Index
57
Citations
9832
World Ranking
2311
National Ranking
49

Hiroshi Wakita 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 Hiroshi Wakita 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: 167 publications — 45th percentile

45% of scientists in this discipline score the same or lower.

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

Hiroshi Wakita 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 Hiroshi Wakita 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: 57 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

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

Overview

Hiroshi Wakita is affiliated with the University of Tokyo in Japan, contributing to academic research primarily through work published in recognized scientific venues. Their research output includes at least one documented paper in the field of lightwave technology.

Among the recent publications is a paper titled Table of Contents, published in 2021 in the Journal of Lightwave Technology. This publication represents a contribution to that venue's body of work and reflects the research interests and expertise associated with that field.

The network of frequent collaborators includes several researchers with whom they have jointly published. These frequent coauthors are:

  • Elliot Evans
  • Mario Mateo
  • P Salsi
  • Pascal Pecci
  • Georg Rademacher

The primary publication venue for their work, as tracked, is the Journal of Lightwave Technology, which has published at least one paper authored or coauthored by Wakita.

Best Publications

  • Geographical distribution of 3He/4He ratios in Japan: Implications for arc tectonics and incipient magmatism

    Yuji Sano;Hiroshi Wakita

  • Trace element partition between two pyroxenes and the host lava

    Unknown

  • Venting of Carbon Dioxide-Rich Fluid and Hydrate Formation in Mid-Okinawa Trough Backarc Basin

    H. Sakai;T. Gamo;E. S. Kim;M. Tsutsumi

  • Precursory Chemical Changes in Ground Water: Kobe Earthquake, Japan

    Urumu Tsunogai;Hiroshi Wakita

  • Isotopic composition of helium, and CO2 and CH4 contents in gases produced along the New Zealand part of a convergent plate boundary

    W.F Giggenbach;Y Sano;H Wakita

  • Water wells as possible indicators of tectonic strain.

    Hiroshi Wakita

  • Radon Anomaly: A Possible Precursor of the 1978 Izu-Oshima-kinkai Earthquake.

    Hiroshi Wakita;Yuji Nakamura;Kenji Notsu;Masayasu Noguchi

  • Hydrogen release: new indicator of fault activity.

    Hiroshi Wakita;Yuji Nakamura;Itsuro Kita;Naoyuki Fujii

  • H2 generation by reaction between H2O and crushed rock: An experimental study on H2 degassing from the active fault zone

    Itsuro Kita;Sadao Matsuo;Hiroshi Wakita

  • Short-term and intermediate-term geochemical precursors

    Hiroshi Wakita;Yuji Nakamura;Yuji Sano

  • Geochemical challenge to earthquake prediction.

    Hiroshi Wakita

  • Discrete Scaling in Earthquake Precursory Phenomena: Evidence in the Kobe Earthquake, Japan

    Anders Johansen;Didier Sornette;Hiroshi Wakita;Urumu Tsunogai

  • Earthquake-related water-level changes at 16 closely clustered wells in Tono, central Japan

    C. Y. King;C. Y. King;S. Azuma;G. Igarashi;Masao Ohno

  • Unique chemistry of the hydrothermal solution in the mid-Okinawa Trough Backarc Basin

    H. Sakai;T. Gamo;E. ‐S Kim;K. Shitashima

  • Groundwater radon anomalies associated with earthquakes

    G. Igarashi;H. Wakita

  • Helium and carbon geochemistry of hydrothermal fluids from the Mid-Okinawa Trough Back Arc Basin, southwest of Japan

    J. Ishibashi;Y. Sano;H. Wakita;T. Gamo

  • Precise Measurement of Helium Isotopes in Terrestrial Gases

    Yuji Sano;Hiroshi Wakita

  • Helium-3 emission related to volcanic activity.

    Yuji Sano;Yuji Nakamura;Hiroshi Wakita;Akiko Urabe

  • Tidal responses and earthquake-related changes in the water level of deep wells

    G. Igarashi;H. Wakita

  • Peculiar features of Suiyo Seamount hydrothermal fluids, Izu-Bonin Arc: Differences from subaerial volcanism

    U. Tsunogai;J. Ishibashi;H. Wakita;T. Gamo

  • A method for continuous measurement of radon in groundwater for earthquake prediction

    Masayasu Noguchi;Hiroshi Wakita

Frequent Co-Authors

Yuji Sano
Yuji Sano Kōchi University
Kenji Notsu
Kenji Notsu University of Tokyo
Jun-ichiro Ishibashi
Jun-ichiro Ishibashi Kobe University
Toshitaka Gamo
Toshitaka Gamo University of Tokyo
Urumu Tsunogai
Urumu Tsunogai Nagoya University
Sheng Xu
Sheng Xu Tianjin University
Nemesio M. Pérez
Nemesio M. Pérez Instituto Volcanológico de Canarias (INVOLCAN)
Yukihiro Nojiri
Yukihiro Nojiri National Institute for Environmental Studies
Keisuke Nagao
Keisuke Nagao University of Tokyo
Toshiyuki Tanaka
Toshiyuki Tanaka Hyogo University of Health Sciences

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