World's Best Scientists 2026 revealed!
Minoru Ikehara

Minoru Ikehara

D-Index & Metrics

Earth Science

D-Index
39
Citations
4266
World Ranking
6311
National Ranking
175

Minoru Ikehara 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 Minoru Ikehara 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: 427 publications — 95th percentile

95% of scientists in this discipline score the same or lower.

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

Minoru Ikehara 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 Minoru Ikehara 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: 39 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

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

Overview

Minoru Ikehara is a researcher affiliated with Kōchi University in Japan. Their work primarily focuses on Earth and Planetary Sciences, with substantial contributions to Environmental Science.

The scientist's research spans several subfields including Atmospheric Science, Environmental Chemistry, Ecology, Geophysics, and Ocean Engineering. Their main topics of investigation cover areas such as Geology and Paleoclimatology Research, Methane Hydrates and Related Phenomena, Isotope Analysis in Ecology, Paleontology and Stratigraphy of Fossils, Reservoir Engineering and Simulation Methods, Geochemistry and Elemental Analysis, and Geological and Geochemical Analysis.

Minoru Ikehara has contributed to various publication venues, with multiple papers appearing in:

  • OPAL (Open@LaTrobe) (La Trobe University)
  • Zenodo (CERN European Organization for Nuclear Research)
  • Quaternary Science Reviews
  • Global and Planetary Change
  • Paleoceanography and Paleoclimatology

Their recent papers include:

  • "Aerobic microbial life persists in oxic marine sediment as old as 101.5 million years" (2020, Nature Communications)
  • "Multi-decadal trends in Antarctic sea-ice extent driven by ENSO-SAM over the last 2,000 years" (2021, Nature Geoscience)
  • "Last Abundant Appearance Datum of Hemidiscus karstenii driven by climate change" (2020, Marine Micropaleontology)
  • "Antarctic Polar Front migrations in the Kerguelen Plateau region, Southern Ocean, over the past 360 kyrs" (2021, Global and Planetary Change)
  • "Innovative microfossil (radiolarian) analysis using a system for automated image collection and AI-based classification of species" (2020, Scientific Reports)

Frequent collaborators in their research include Akira Ijiri, Peter Blum, William E. N. Austin, James E T Channell, and David A Hodell. The repeated collaboration indicates a consistent research network involving these co-authors across multiple publications.

Best Publications

  • Reconstruction of paleoproductivity in the Sea of Okhotsk over the last 30 kyr

    O. Seki;M. Ikehara;M. Ikehara;K. Kawamura;T. Nakatsuka

  • Ice-rafted debris (IRD)-based sea-ice expansion events during the past 100 kyrs in the Okhotsk Sea

    Tatsuhiko Sakamoto;M. Ikehara;K. Aoki;K. Iijima

  • Origin of magnetic mineral concentration variation in the Southern Ocean

    Toshitsugu Yamazaki;Minoru Ikehara

  • Rapid fluctuation of alkenone temperature in the southwestern Okhotsk Sea during the past 120 ky

    Naomi Harada;Naokazu Ahagon;Tatsuhiko Sakamoto;Masao Uchida

  • A 500,000 year record of Indian summer monsoon dynamics recorded by eastern equatorial Indian Ocean upper water-column structure

    Clara T. Bolton;Liao Chang;Steven C. Clemens;Kazuto Kodama

  • Late Quaternary paleoceanographic changes in the southwestern Okhotsk Sea: Evidence from geochemical, radiolarian, and diatom records

    Yusuke Okazaki;Kozo Takahashi;Kota Katsuki;Ayumu Ono

  • Weak monsoon event at 4.2 ka recorded in sediment from Lake Rara, Himalayas

    Atsunori Nakamura;Yusuke Yokoyama;Yusuke Yokoyama;Hideaki Maemoku;Hiroshi Yagi

  • Aerobic microbial life persists in oxic marine sediment as old as 101.5 million years

    Yuki Morono;Motoo Ito;Tatsuhiko Hoshino;Takeshi Terada

  • Coupled organic and inorganic carbon cycling in the deep subseafloor sediment of the northeastern Bering Sea Slope (IODP Exp. 323)

    Laura Mariana Wehrmann;Nils Risgaard-Petersen;Heather N Schrum;Emily A Walsh

  • Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex

    Akira Ijiri;Fumio Inagaki;Yusuke Kubo;Rishi Ram Adhikari

  • Radiolarians under the seasonally sea-ice covered conditions in the Okhotsk Sea: flux and their implications for paleoceanography

    Yusuke Okazaki;Kozo Takahashi;Hiroshi Yoshitani;Takeshi Nakatsuka

  • Evidence of frictional melting from disk‐shaped black material, discovered within the Taiwan Chelungpu fault system

    Tetsuro Hirono;Minoru Ikehara;Kenshiro Otsuki;Toshiaki Mishima

  • Biogenic opal indicating less productive northwestern North Pacific during the glacial ages

    Hisashi Narita;Masayasu Sato;Shizuo Tsunogai;Masafumi Murayama

  • Solar forcing of centennial-scale East Asian winter monsoon variability in the mid- to late Holocene

    Takuya Sagawa;Michinobu Kuwae;Kentaro Tsuruoka;Yugo Nakamura

  • Precision of the current methods to measure the alkenone proxy U-37(K ') and absolute alkenone abundance in sediments: Results of an interlaboratory comparison study

    Antony Rosell-Melé;Edouard Bard;K.-C. Emeis;J. O. Grimalt

  • Middle Archean volcano-hydrothermal sequence: Bacterial microfossil-bearing 3.2 Ga Dixon Island Formation, coastal Pilbara terrane, Australia

    Shoichi Kiyokawa;Takashi Ito;Minoru Ikehara;Fumio Kitajima

  • Variation of alkenone sea surface temperature in the Sea of Okhotsk over the last 85 kyrs

    O Seki;K Kawamura;M Ikehara;T Nakatsuka

  • A chemical kinetic approach to estimate dynamic shear stress during the 1999 Taiwan Chi‐Chi earthquake

    Tetsuro Hirono;Tadashi Yokoyama;Yohei Hamada;Wataru Tanikawa

  • Variations of terrestrial input and marine productivity in the Southern Ocean (48°S) during the last two deglaciations

    Minoru Ikehara;Kimitaka Kawamura;Naohiko Ohkouchi;Masafumi Murayama

  • Alkenone sea surface temperature in the Southern Ocean for the last two deglaciations

    Minoru Ikehara;Kimitaka Kawamura;Naohiko Ohkouchi;Katsunori Kimoto

  • Multi-decadal trends in Antarctic sea-ice extent driven by ENSO–SAM over the last 2,000 years

    Xavier Crosta;Johan Etourneau;Johan Etourneau;Lisa C. Orme;Quentin Dalaiden

  • Correction to “Origin of magnetic mineral concentration variation in the Southern Ocean”

    Toshitsugu Yamazaki;Minoru Ikehara

Frequent Co-Authors

Yusuke Yokoyama
Yusuke Yokoyama University of Tokyo
Kozo Takahashi
Kozo Takahashi Hokusei Gakuen University
Kimitaka Kawamura
Kimitaka Kawamura Chubu University
Hiroshi Naraoka
Hiroshi Naraoka Kyushu University
Takeshi Nakatsuka
Takeshi Nakatsuka Nagoya University
Takuya Itaki
Takuya Itaki National Institute of Advanced Industrial Science and Technology
Yuji Sano
Yuji Sano Kōchi University
Masao Uchida
Masao Uchida National Institute for Environmental Studies
Yasuhiro Kato
Yasuhiro Kato University of Tokyo
Xavier Crosta
Xavier Crosta University of Bordeaux

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