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Ichiro Yasuda

Ichiro Yasuda

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 41 5496 5082 142 131 167 6808

Ichiro Yasuda publications per year

The chart shows the history of publications by Ichiro Yasuda between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ichiro Yasuda published across 46 years, from 1980 to 2025, averaging 5.7 papers a year. Output peaked at 20 publications in 2019. 12 of the 260 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1980 to 2025. Vertical axis: number of publications, 0 to 20. Peak 20 publications in 2019. 1980: 1 publication 1981: 2 publications 1982: 1 publication 1983: 0 publications 1984: 0 publications 1985: 1 publication 1986: 0 publications 1987: 2 publications 1988: 1 publication 1989: 0 publications 1990: 0 publications 1991: 1 publication 1992: 6 publications 1993: 1 publication 1994: 1 publication 1995: 4 publications 1996: 7 publications 1997: 6 publications 1998: 1 publication 1999: 2 publications 2000: 4 publications 2001: 10 publications 2002: 3 publications 2003: 10 publications 2004: 12 publications 2005: 6 publications 2006: 6 publications 2007: 2 publications 2008: 5 publications 2009: 12 publications 2010: 9 publications 2011: 9 publications 2012: 13 publications 2013: 10 publications 2014: 13 publications 2015: 7 publications 2016: 7 publications 2017: 10 publications 2018: 6 publications 2019: 20 publications 2020: 17 publications 2021: 14 publications 2022: 2 publications 2023: 4 publications 2024: 6 publications 2025: 6 publications
1980 2025

260 publications in total across all disciplines

View publications per year as a table
Ichiro Yasuda: publications per year, 1980 to 2025
Year Publications
1980 1
1981 2
1982 1
1983 0
1984 0
1985 1
1986 0
1987 2
1988 1
1989 0
1990 0
1991 1
1992 6
1993 1
1994 1
1995 4
1996 7
1997 6
1998 1
1999 2
2000 4
2001 10
2002 3
2003 10
2004 12
2005 6
2006 6
2007 2
2008 5
2009 12
2010 9
2011 9
2012 13
2013 10
2014 13
2015 7
2016 7
2017 10
2018 6
2019 20
2020 17
2021 14
2022 2
2023 4
2024 6
2025 6
Total 260
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Ichiro Yasuda 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 Ichiro Yasuda 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, 158–167 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: 167 publications — 48th percentile

48% 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
158–167 458 167
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
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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Ichiro Yasuda 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 Ichiro Yasuda 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, 41 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: 41 D-Index — 41st percentile

41% 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 41
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

Ichiro Yasuda is a researcher affiliated with the University of Tokyo in Japan. Their scholarly work primarily spans Earth and Planetary Sciences and Environmental Science, with a focus on Oceanography, Global and Planetary Change, and Atmospheric Science among other subfields.

The main topics explored in Yasuda's research include Oceanographic and Atmospheric Processes, Marine and coastal ecosystems, Climate variability and models, Geology and Paleoclimatology Research, Methane Hydrates and Related Phenomena, Marine Biology and Ecology Research, and Meteorological Phenomena and Simulations.

Yasuda has published extensively in several scientific journals. Notable venues where their work appears most frequently include:

  • Journal of Oceanography
  • Journal of Geophysical Research Oceans
  • Progress In Oceanography
  • Gastrointestinal Endoscopy
  • Scientific Reports

Frequent coauthors collaborating with Yasuda include Jun Nishioka, Sachihiko Itoh, Daigo Yanagimoto, Yusuke Sasaki, and Takahiro Tanaka.

Among Yasuda's recent publications are the following papers:

  • Subpolar marginal seas fuel the North Pacific through the intermediate water at the termination of the global ocean circulation (2020) in Proceedings of the National Academy of Sciences
  • A review: iron and nutrient supply in the subarctic Pacific and its impact on phytoplankton production (2021) in Journal of Oceanography
  • Widespread distribution of allochthonous fluorescent dissolved organic matter in the intermediate water of the North Pacific (2020) in Progress In Oceanography
  • Synchronized interdecadal variations behind regime shifts in the Pacific Decadal Oscillation (2021) in Journal of Oceanography
  • Estimation of Basin-scale turbulence distribution in the North Pacific Ocean using CTD-attached thermistor measurements (2021) in Scientific Reports

The combination of topics and publication venues indicates a consistent focus on the dynamics of oceanic and atmospheric systems, particularly in relation to marine ecosystems and climatic variability. Yasuda's research contributes to understanding complex interactions within planetary and environmental science contexts, emphasizing the oceanographic processes of the North Pacific region.

Best Publications

  • The origin of the North Pacific Intermediate Water

    Ichiro Yasuda

  • Hydrographic Structure and Variability in the Kuroshio-Oyashio Transition Area

    Ichiro Yasuda

  • On the Future of Argo: A Global, Full-Depth, Multi-Disciplinary Array

    Dean Roemmich;Matthew H. Alford;Hervé Claustre;Kenneth Johnson

  • Distribution and Modification of North Pacific Intermediate Water in the Kuroshio-Oyashio Interfrontal Zone

    Ichiro Yasuda;Kuniaki Okuda;Yugo Shimizu

  • Evolution of a Kuroshio warm-core ring—variability of the hydrographic structure

    Ichiro Yasuda;Kuniaki Okuda;Mitsuyuki Hirai

  • Characteristics of Mesoscale Eddies in the Kuroshio-Oyashio Extension Region Detected from the Distribution of the Sea Surface Height Anomaly

    Sachihiko Itoh;Ichiro Yasuda

  • Population decline of the Japanese sardine, Sardinops melanostictus, in relation to sea surface temperature in the Kuroshio Extension

    Masayuki Noto;Ichiro Yasuda

  • Possible explanation linking 18.6‐year period nodal tidal cycle with bi‐decadal variations of ocean and climate in the North Pacific

    Ichiro Yasuda;Satoshi Osafune;Hiroaki Tatebe

  • Roles of the Okhotsk Sea and Gulf of Alaska in forming the North Pacific Intermediate Water

    Yuzhu You;Nobuo Suginohara;Masao Fukasawa;Ichiro Yasuda

  • Interdecadal variations in Japanese sardine and ocean/climate

    Ichiro Yasuda;Hiroya Sugisaki;Yoshiro Watanabe;Sho‐Shiro Minobe

  • Distribution and formation of the mesothermal structure (temperature inversions) in the North Pacific subarctic region

    Hiromichi Ueno;Ichiro Yasuda

  • North Pacific Intermediate Water: Progress in SAGE (SubArctic Gyre Experiment) and Related Projects

    Ichiro Yasuda

  • Bidecadal variability in the intermediate waters of the northwestern subarctic Pacific and the Okhotsk Sea in relation to 18.6‐year period nodal tidal cycle

    S. Osafune;I. Yasuda

  • Dynamics of the Kuroshio large meander. Barotropic model

    Ichiro Yasuda;Jong Hwan Yoon;Nobuo Suginohara

  • Subpolar marginal seas fuel the North Pacific through the intermediate water at the termination of the global ocean circulation.

    Jun Nishioka;Hajime Obata;Hiroshi Ogawa;Kazuya Ono

  • Intensive mixing along an island chain controls oceanic biogeochemical cycles

    Jun Nishioka;Takeshi Nakatsuka;Yutaka W. Watanabe;Ichiro Yasuda

  • Atmospheric sounding over the winter Kuroshio Extension: Effect of surface stability on atmospheric boundary layer structure

    Hiroki Tokinaga;Hiroki Tokinaga;Youichi Tanimoto;Youichi Tanimoto;Masami Nonaka;Bunmei Taguchi

  • Hydrographic structure and transport of the Oyashio south of Hokkaido and the formation of North Pacific Intermediate Water

    Ichiro Yasuda;Yutaka Hiroe;Kosei Komatsu;Kiyoshi Kawasaki

  • Cold-Core Anticyclonic Eddies South of the Bussol’ Strait in the Northwestern Subarctic Pacific

    Ichiro Yasuda;Shin-Ichi Ito;Yugo Shimizu;Kaoru Ichikawa

  • Water Mass Structure of Warm and Cold Anticyclonic Eddies in the Western Boundary Region of the Subarctic North Pacific

    Sachihiko Itoh;Ichiro Yasuda

  • Dynamics of the Kuroshio Large Meander: Two-Layer Model

    Jong-Hwan Yoon;Ichiro Yasuda

Frequent Co-Authors

Jun Nishioka
Jun Nishioka Hokkaido University
Koichi Takeya
Koichi Takeya University of Tokyo
Hisataka Moriwaki
Hisataka Moriwaki Gifu University
Hideji Itokawa
Hideji Itokawa University of Tokyo
Hajime Obata
Hajime Obata University of Tokyo
Takeshi Nakatsuka
Takeshi Nakatsuka Nagoya University
Takaaki Tanaka
Takaaki Tanaka Konan University
Youhei Yamashita
Youhei Yamashita Hokkaido University
Toshio Suga
Toshio Suga Tohoku University
Hideharu Sasaki
Hideharu Sasaki Japan Agency for Marine-Earth Science and Technology

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