World's Best Scientists 2026 revealed!
Minoru Ikehara

Minoru Ikehara

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 39 6311 5851 175 164 427 4266

Minoru Ikehara publications per year

The chart shows the history of publications by Minoru Ikehara between 1995 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Minoru Ikehara published across 32 years, from 1995 to 2026, averaging 13.9 papers a year. Output peaked at 38 publications in 2021. 18 of the 444 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1995 to 2026. Vertical axis: number of publications, 0 to 38. Peak 38 publications in 2021. 1995: 1 publication 1996: 1 publication 1997: 1 publication 1998: 1 publication 1999: 2 publications 2000: 2 publications 2001: 3 publications 2002: 5 publications 2003: 12 publications 2004: 11 publications 2005: 7 publications 2006: 7 publications 2007: 7 publications 2008: 10 publications 2009: 10 publications 2010: 11 publications 2011: 13 publications 2012: 28 publications 2013: 23 publications 2014: 30 publications 2015: 35 publications 2016: 34 publications 2017: 25 publications 2018: 24 publications 2019: 18 publications 2020: 25 publications 2021: 38 publications 2022: 18 publications 2023: 10 publications 2024: 14 publications 2025: 17 publications 2026: 1 publication
1995 2026

444 publications in total across all disciplines

View publications per year as a table
Minoru Ikehara: publications per year, 1995 to 2026
Year Publications
1995 1
1996 1
1997 1
1998 1
1999 2
2000 2
2001 3
2002 5
2003 12
2004 11
2005 7
2006 7
2007 7
2008 10
2009 10
2010 11
2011 13
2012 28
2013 23
2014 30
2015 35
2016 34
2017 25
2018 24
2019 18
2020 25
2021 38
2022 18
2023 10
2024 14
2025 17
2026 1
Total 444
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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.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 418–427 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 427 publications — 96th percentile

96% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
Publications Scientists This scientist
38–47 5
48–57 33
58–67 94
68–77 161
78–87 278
88–97 376
98–107 404
108–117 484
118–127 540
128–137 557
138–147 491
148–157 495
158–167 458
168–177 490
178–187 414
188–197 401
198–207 333
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93
328–337 87
338–347 64
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39 427
428–437 27
438–447 36
448–457 27
458–467 29
468–477 30
478–487 19
488–497 15
498–507 18
508–517 19
518–527 16
528–537 10
538–547 11
548–557 14
558–567 11
568–577 7
578–587 14
588–597 5
598–602 4
603+ 100
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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.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 39 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 39 D-Index — 35th percentile

35% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389
37 366
38 344
39 349 39
40 296
41 289
42 277
43 279
44 248
45 257
46 212
47 202
48 207
49 204
50 183
51 178
52 182
53 178
54 163
55 117
56 163
57 120
58 113
59 136
60 135
61 96
62 103
63 83
64 103
65 83
66 89
67 92
68 89
69 78
70 75
71 53
72 62
73 54
74 35
75 52
76 50
77 32
78 37
79 20
80 33
81 36
82 34
83 34
84 24
85 19
86 18
87 26
88 30
89 17
90 21
91 19
92 15
93 14
94 20
95 9
96 10
97 15
98 13
99 3
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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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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