World's Best Scientists 2026 revealed!
Kunio Kaiho

Kunio Kaiho

D-Index & Metrics

Earth Science

D-Index
46
Citations
6840
World Ranking
4288
National Ranking
98

Kunio Kaiho 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 Kunio Kaiho 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: 174 publications — 49th percentile

49% of scientists in this discipline score the same or lower.

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

Kunio Kaiho 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 Kunio Kaiho 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

Kunio Kaiho is affiliated with Tohoku University in Japan and has contributed extensively to research in Earth and Planetary Sciences, with additional publications in Engineering. Their work spans key subfields including Paleontology, Ocean Engineering, Atmospheric Science, Mechanics of Materials, and Geochemistry and Petrology.

Their research covers a variety of topics related to paleontology and stratigraphy of fossils, geology and paleoclimatology research, drilling and well engineering, reservoir engineering and simulation methods, hydrocarbon exploration and reservoir analysis, geochemistry and elemental analysis, as well as geological and geochemical analysis.

Recent notable publications by Kunio Kaiho include:

  • Pulsed volcanic combustion events coincident with the end-Permian terrestrial disturbance and the following global crisis, 2020, Geology
  • Coronene, mercury, and biomarker data support a link between extinction magnitude and volcanic intensity in the Late Devonian, 2021, Global and Planetary Change
  • Volcanic temperature changes modulated volatile release and climate fluctuations at the end-Triassic mass extinction, 2022, Earth and Planetary Science Letters
  • Terrestrial ecosystem collapse and soil erosion before the end-Permian marine extinction: Organic geochemical evidence from marine and non-marine records, 2020, Global and Planetary Change
  • Relationship between extinction magnitude and climate change during major marine and terrestrial animal crises, 2022, Biogeosciences

Frequent co-authors collaborating with Kunio Kaiho include:

  • Ryosuke Saito
  • Li Tian
  • Kantaro Fujioka
  • Brian Taylor
  • Thomas R. Janecek

Kaiho has published numerous articles in prominent journals, with top publication venues including:

  • Global and Planetary Change
  • Palaeogeography Palaeoclimatology Palaeoecology
  • Scientific Reports
  • OPAL (Open@LaTrobe) (La Trobe University)
  • Zenodo (CERN European Organization for Nuclear Research)

Best Publications

  • Benthic foraminiferal dissolved-oxygen index and dissolved-oxygen levels in the modern ocean

    Kunio Kaiho

  • Effect of organic carbon flux and dissolved oxygen on the benthic foraminiferal oxygen index (BFOI)

    Kunio Kaiho

  • Global changes of Paleogene aerobic/anaerobic benthic foraminifera and deep-sea circulation

    Kunio Kaiho

  • Latest Paleocene benthic foraminiferal extinction and environmental changes at Tawanui, New Zealand

    Kunio Kaiho;Tetsuya Arinobu;Ryoshi Ishiwatari;Hugh E. G. Morgans

  • Complete biotic and sedimentary records of the Permian–Triassic transition from Meishan section, South China: Ecologically assessing mass extinction and its aftermath

    Zhong Qiang Chen;Hao Yang;Mao Luo;Michael J. Benton

  • A volcanic trigger for the Late Ordovician mass extinction? Mercury data from south China and Laurentia

    David S. Jones;Anna M. Martini;David A. Fike;Kunio Kaiho

  • Timing and magnitude of early Aptian extreme warming: Unraveling primary δ18O variation in indurated pelagic carbonates at Deep Sea Drilling Project Site 463, central Pacific Ocean

    Atsushi Ando;Atsushi Ando;Kunio Kaiho;Hodaka Kawahata;Hodaka Kawahata;Takeshi Kakegawa

  • End-Cenomanian benthic foraminiferal extinctions and oceanic dysoxic events in the northwestern Pacific Ocean

    Kunio Kaiho;Takashi Hasegawa

  • Planktonic and benthic foraminiferal extinction events during the last 100 m.y

    Kunio Kaiho

  • Early Triassic recovery of the brachiopod faunas from the end-Permian mass extinction: A global review

    Zhong Qiang Chen;Kunio Kaiho;Annette D. George

  • Spike of pyrosynthetic polycyclic aromatic hydrocarbons associated with an abrupt decrease in δ13C of a terrestrial biomarker at the Cretaceous-Tertiary boundary at Caravaca, Spain

    Tetsuya Arinobu;Ryoshi Ishiwatari;Kunio Kaiho;Marcos A. Lamolda

  • Survival strategies of brachiopod faunas from the end-Permian mass extinction

    Zhong Qiang Chen;Kunio Kaiho;Annette D. George

  • Global climate change driven by soot at the K-Pg boundary as the cause of the mass extinction

    Kunio Kaiho;Naga Oshima;Kouji Adachi;Yukimasa Adachi

  • Close-up of the end-Permian mass extinction horizon recorded in the Meishan section, South China: Sedimentary, elemental, and biotic characterization and a negative shift of sulfate sulfur isotope ratio

    Kunio Kaiho;Zhong Qiang Chen;Hodaka Kawahata;Yoshimichi Kajiwara

  • Anomalous shifts in tropical Pacific planktonic and benthic foraminiferal test size during the Paleocene–Eocene thermal maximum

    Kunio Kaiho;Kotaro Takeda;Maria Rose Petrizzo;James C. Zachos

  • Onset of biotic and environmental recovery from the end-Permian mass extinction within 1–2 million years: A case study of the Lower Triassic of the Meishan section, South China

    Z.Q. Chen;Jinnan Tong;Kunio Kaiho;Hodaka Kawahata

  • End-Cretaceous devastation of terrestrial flora in the boreal Far East

    Unknown

  • Oceanic primary productivity and dissolved oxygen levels at the Cretaceous/Tertiary boundary: Their decrease, subsequent warming, and recovery

    Kunio Kaiho;Yoshimichi Kajiwara;Kazue Tazaki;Masato Ueshima

  • Explosive Deep Water Basalt in the Sumisu Backarc Rift

    J. Gill;P. Torssander;H. Lapierre;R. Taylor

  • Faunal turnovers in central Pacific benthic foraminifera during the Paleocene–Eocene thermal maximum

    Kotaro Takeda;Kunio Kaiho

  • A low extinction rate of intermediate-water benthic foraminifera at the Cretaceous/Tertiary boundary

    Kunio Kaiho

Frequent Co-Authors

Zhong-Qiang Chen
Zhong-Qiang Chen China University of Geosciences
Jinnan Tong
Jinnan Tong China University of Geosciences
Hodaka Kawahata
Hodaka Kawahata University of Tokyo
Ryoshi Ishiwatari
Ryoshi Ishiwatari Tokyo Metropolitan University
Tsuyoshi Komiya
Tsuyoshi Komiya University of Tokyo
Laishi Zhao
Laishi Zhao China University of Geosciences
Takeyoshi Yoshida
Takeyoshi Yoshida Tohoku University
Kazuyoshi Takayama
Kazuyoshi Takayama Tohoku University
Guang Rong Shi
Guang Rong Shi University of Wollongong
Kouji Adachi
Kouji Adachi Japan Meteorological Agency

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