World's Best Scientists 2026 revealed!
Toshio Nakamura

Toshio Nakamura

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 44 4642 4272 113 104 340 8900

Toshio Nakamura publications per year

The chart shows the history of publications by Toshio Nakamura between 1979 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Toshio Nakamura published across 47 years, from 1979 to 2025, averaging 8.8 papers a year. Output peaked at 31 publications in 2014. 6 of the 414 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 1979 to 2025. Vertical axis: number of publications, 0 to 31. Peak 31 publications in 2014. 1979: 1 publication 1980: 1 publication 1981: 0 publications 1982: 1 publication 1983: 1 publication 1984: 3 publications 1985: 5 publications 1986: 2 publications 1987: 2 publications 1988: 2 publications 1989: 0 publications 1990: 6 publications 1991: 8 publications 1992: 7 publications 1993: 11 publications 1994: 7 publications 1995: 9 publications 1996: 9 publications 1997: 14 publications 1998: 6 publications 1999: 8 publications 2000: 13 publications 2001: 11 publications 2002: 10 publications 2003: 12 publications 2004: 25 publications 2005: 10 publications 2006: 10 publications 2007: 21 publications 2008: 8 publications 2009: 11 publications 2010: 21 publications 2011: 12 publications 2012: 9 publications 2013: 27 publications 2014: 31 publications 2015: 15 publications 2016: 14 publications 2017: 14 publications 2018: 8 publications 2019: 8 publications 2020: 6 publications 2021: 3 publications 2022: 4 publications 2023: 2 publications 2024: 3 publications 2025: 3 publications
1979 2025

414 publications in total across all disciplines

View publications per year as a table
Toshio Nakamura: publications per year, 1979 to 2025
Year Publications
1979 1
1980 1
1981 0
1982 1
1983 1
1984 3
1985 5
1986 2
1987 2
1988 2
1989 0
1990 6
1991 8
1992 7
1993 11
1994 7
1995 9
1996 9
1997 14
1998 6
1999 8
2000 13
2001 11
2002 10
2003 12
2004 25
2005 10
2006 10
2007 21
2008 8
2009 11
2010 21
2011 12
2012 9
2013 27
2014 31
2015 15
2016 14
2017 14
2018 8
2019 8
2020 6
2021 3
2022 4
2023 2
2024 3
2025 3
Total 414
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Toshio Nakamura 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 Toshio Nakamura 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, 338–347 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: 340 publications — 91st percentile

91% 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 64 340
348–357 87
358–367 60
368–377 60
378–387 34
388–397 50
398–407 44
408–417 31
418–427 39
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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Toshio Nakamura 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 Toshio Nakamura 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, 44 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: 44 D-Index — 50th percentile

50% 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
40 296
41 289
42 277
43 279
44 248 44
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

Toshio Nakamura is affiliated with Nagoya University in Japan, focusing primarily on research within Earth and Planetary Sciences, as well as Medicine. Their work encompasses multiple subfields, notably Atmospheric Science, Ecology, Geophysics, Geochemistry and Petrology, and Paleontology.

The main topics addressed in Nakamura's research include:

  • Geology and Paleoclimatology Research
  • Earthquake and tectonic studies
  • Geochemistry and Elemental Analysis
  • Archaeology and ancient environmental studies
  • Pacific and Southeast Asian Studies
  • Polar Research and Ecology
  • Venous Thromboembolism Diagnosis and Management

Nakamura has published in a variety of scientific journals, with frequent contributions to:

  • Radiocarbon
  • Journal of Food Science and Nutrition Research
  • Applied Geochemistry
  • Cancer Medicine
  • Frontiers in Astronomy and Space Sciences

Significant recent papers include:

  • A geochemical approach for identifying marine incursions: Implications for tsunami geology on the Pacific coast of northeast Japan, 2020, Applied Geochemistry
  • Cumulative incidence of venous thromboembolism in patients with advanced cancer in prospective observational study, 2021, Cancer Medicine
  • Regional Differences in Carbon-14 Data of the 993 CE Cosmic Ray Event, 2022, Frontiers in Astronomy and Space Sciences
  • A 1179-yr (417-1595 CE) tree-ring oxygen isotope chronology for northern Japan validated using the 774-775 CE radiocarbon spike, 2024, Radiocarbon
  • New data and synthesis of ΔR estimates from the northern Pacific Ocean, 2020, Quaternary Research

Their collaborations include frequent co-authors such as Takuo Tsuno, Katsuhiko Kimura, Masataka Hakozaki, Mizuka Kobayashi, and Shiori Nakagawa, each featuring multiple joint publications.

Best Publications

  • Holocene vegetation variation in the Daihai Lake region of north-central China: a direct indication of the Asian monsoon climatic history

    Jule Xiao;Qinghai Xu;Toshio Nakamura;Xiaolan Yang

  • A signature of cosmic-ray increase in ad 774–775 from tree rings in Japan

    Fusa Miyake;Kentaro Nagaya;Kimiaki Masuda;Toshio Nakamura

  • The age of tropical rain-forest canopy species, Borneo ironwood (Eusideroxylon zwageri), determined by 14C dating

    Hiroko Kurokawa;Toshiya Yoshida;Toshio Nakamura;Julaihi Lai

  • Holocene East Asian monsoonal precipitation pattern revealed by grain-size distribution of core sediments of Daihai Lake in Inner Mongolia of north-central China

    Yanjia Peng;Jule Xiao;Toshio Nakamura;Baolin Liu

  • Another rapid event in the carbon-14 content of tree rings

    Fusa Miyake;Kimiaki Masuda;Toshio Nakamura

  • Sediment facies and Late Holocene progradation of the Mekong River Delta in Bentre Province, southern Vietnam: an example of evolution from a tide-dominated to a tide- and wave-dominated delta

    Thi Kim Oanh Ta;Van Lap Nguyen;Masaaki Tateishi;Iwao Kobayashi

  • Spatial and temporal variability of surface water in the Kuroshio source region, Pacific Ocean, over the past 21,000 years: evidence from planktonic foraminifera

    Yurika Ujiié;Hiroshi Ujiié;Asahiko Taira;Toshio Nakamura

  • Holocene climate changes in the monsoon/arid transition reflected by carbon concentration in Daihai Lake of Inner Mongolia

    Jule Xiao;Jintao Wu;Bin Si;Wendong Liang

  • Holocene climate changes over the desert/loess transition of north-central China

    Jule Xiao;Toshio Nakamura;Huayu Lu;Guangyu Zhang

  • Discovery of Minoan tsunami deposits

    K Minoura;F Imamura;U Kuran;T Nakamura

  • AMS 14C Dating of Varved Sediments from Lake Suigetsu, Central Japan and Atmospheric 14C Change During the Late Pleistocene

    Hiroyuki Kitagawa;Hitoshi Fukuzawa;Toshio Nakamura;Makoto Okamura

  • Late Pleistocene and Holocene vegetation and climate records from Lake Kotokel, central Baikal region

    Koji Shichi;Hikaru Takahara;Sergey K. Krivonogov;Elena V. Bezrukova

  • AMS-14C Ages of Japan Sea Cores from the Oki Ridge

    Tadamichi Oba;Masafumi Murayama;Eiji Matsumoto;Toshio Nakamura

  • The 1500-year climate oscillation in the midlatitude North Pacific during the Holocene

    Dai Isono;Masanobu Yamamoto;Tomohisa Irino;Tadamichi Oba

  • Phylogenetic analysis of bacteria preserved in a permafrost ice wedge for 25,000 years.

    Taiki Katayama;Michiko Tanaka;Jun Moriizumi;Toshio Nakamura

  • Cyclicity of Solar Activity During the Maunder Minimum Deduced from Radiocarbon Content

    Hiroko Miyahara;Kimiaki Masuda;Yasushi Muraki;Hideki Furuzawa

  • Fluctuations of nitrogen isotope ratio of gobiid fish (Isaza) specimens and sediments in Lake Biwa, Japan, during the 20th century

    Nanako O. Ogawa;Tadatoshi Koitabashi;Hirotaka Oda;Toshio Nakamura

  • Radiocarbon dating of charred residues on the earliest pottery in Japan.

    Toshio Nakamura;Yasuhiro Taniguchi;Sei ichiro Tsuji;Hirotaka Oda

  • Response of phytoplankton productivity to climate change recorded by sedimentary photosynthetic pigments in Lake Hovsgol (Mongolia) for the last 23,000 years

    Fumiko Nara;Fumiko Nara;Yukinori Tani;Yuko Soma;Mitsuyuki Soma

  • Small changes in the sea surface temperature during the last 20,000 years: Molecular evidence from the western tropical Pacific

    N. Ohkouchi;K. Kawamura;T. Nakamura;A. Taira

  • Diurnal variation of CO2 concentration, Δ14C and δ13C in an urban forest: estimate of the anthropogenic and biogenic CO2 contributions

    Hiroshi A. Takahashi;Eiichi Konohira;Tetsuya Hiyama;Masayo Minami

  • Late pleistocene-holocene paleoproductivity circulation in the Japan sea: Sea-level control on δ13C and δ15N records of sediment organic material

    K. Minoura;K. Hoshino;T. Nakamura;E. Wada

  • Corrigendum: Another rapid event in the carbon-14 content of tree rings

    Fusa Miyake;Kimiaki Masuda;Toshio Nakamura

Frequent Co-Authors

Hiroyuki Kitagawa
Hiroyuki Kitagawa Nagoya University
Liping Zhu
Liping Zhu Chinese Academy of Sciences
Yasushi Muraki
Yasushi Muraki Nagoya University
Asahiko Taira
Asahiko Taira Japan Agency for Marine-Earth Science and Technology
Jule Xiao
Jule Xiao Chinese Academy of Sciences
Tadamichi Oba
Tadamichi Oba Hokkaido University
Naohiko Ohkouchi
Naohiko Ohkouchi Japan Agency for Marine-Earth Science and Technology
Hodaka Kawahata
Hodaka Kawahata University of Tokyo
Takeshi Nakatsuka
Takeshi Nakatsuka Nagoya University
Takakiyo Nakazawa
Takakiyo Nakazawa Tohoku University

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