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Hodaka Kawahata

Hodaka Kawahata

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Earth Science
Japan
2023

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 67 1232 1092 23 20 444 15721

Hodaka Kawahata publications per year

The chart shows the history of publications by Hodaka Kawahata between 1983 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hodaka Kawahata published across 43 years, from 1983 to 2025, averaging 10.8 papers a year. Output peaked at 27 publications in 2006. 5 of the 463 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1983 to 2025. Vertical axis: number of publications, 0 to 27. Peak 27 publications in 2006. 1983: 1 publication 1984: 0 publications 1985: 3 publications 1986: 5 publications 1987: 4 publications 1988: 1 publication 1989: 5 publications 1990: 4 publications 1991: 1 publication 1992: 3 publications 1993: 1 publication 1994: 5 publications 1995: 3 publications 1996: 1 publication 1997: 8 publications 1998: 7 publications 1999: 15 publications 2000: 13 publications 2001: 7 publications 2002: 13 publications 2003: 21 publications 2004: 13 publications 2005: 13 publications 2006: 27 publications 2007: 23 publications 2008: 15 publications 2009: 27 publications 2010: 14 publications 2011: 18 publications 2012: 7 publications 2013: 22 publications 2014: 17 publications 2015: 18 publications 2016: 15 publications 2017: 20 publications 2018: 21 publications 2019: 21 publications 2020: 21 publications 2021: 11 publications 2022: 12 publications 2023: 2 publications 2024: 4 publications 2025: 1 publication
1983 2025

463 publications in total across all disciplines

View publications per year as a table
Hodaka Kawahata: publications per year, 1983 to 2025
Year Publications
1983 1
1984 0
1985 3
1986 5
1987 4
1988 1
1989 5
1990 4
1991 1
1992 3
1993 1
1994 5
1995 3
1996 1
1997 8
1998 7
1999 15
2000 13
2001 7
2002 13
2003 21
2004 13
2005 13
2006 27
2007 23
2008 15
2009 27
2010 14
2011 18
2012 7
2013 22
2014 17
2015 18
2016 15
2017 20
2018 21
2019 21
2020 21
2021 11
2022 12
2023 2
2024 4
2025 1
Total 463
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Hodaka Kawahata 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 Hodaka Kawahata 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, 438–447 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: 444 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
428–437 27
438–447 36 444
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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Hodaka Kawahata 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 Hodaka Kawahata 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, 67 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: 67 D-Index — 87th percentile

87% 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
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 67
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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Research.com Recognitions

  • 2023 - Research.com Earth Science in Japan Leader Award
  • 2022 - Research.com Earth Science in Japan Leader Award

Overview

Hodaka Kawahata is affiliated with the University of Tokyo in Japan and has an extensive research profile in Earth and Planetary Sciences as well as Environmental Science. Their work prominently spans several related subfields including Atmospheric Science, Ecology, Oceanography, Geochemistry and Petrology, and Geophysics.

The scientist's research topics cover a broad spectrum, with particular emphasis on Geology and Paleoclimatology Research, Isotope Analysis in Ecology, Geochemistry and Elemental Analysis, Ocean Acidification Effects and Responses, Marine Biology and Ecology Research, Coral and Marine Ecosystems Studies, and Groundwater and Isotope Geochemistry.

Hodaka Kawahata has authored numerous papers published in well-established scientific venues. Notable recent publications include:

  • Decrease in volume and density of foraminiferal shells with progressing ocean acidification (2021, Scientific Reports)
  • A method for stable carbon isotope measurement of underivatized individual amino acids by multi-dimensional high-performance liquid chromatography and elemental analyzer/isotope ratio mass spectrometry (2020, Rapid Communications in Mass Spectrometry)
  • Temperature effects on the shell growth of a larger benthic foraminifer (Sorites orbiculus): Results from culture experiments and micro X-ray computed tomography (2021, Marine Micropaleontology)
  • Millennial-scale variability of Indian summer monsoon constrained by the western Bay of Bengal sediments: Implication from geochemical proxies of sea surface salinity and river runoff (2021, Global and Planetary Change)
  • Magnesium isotopic composition of submarine vent fluids from arc and back-arc hydrothermal systems in the western Pacific (2020, Chemical Geology)

Frequent co-authors who have collaborated significantly with Kawahata include Naohiko Ohkouchi, Atsushi Suzuki, Hiroto Kajita, Toshihiro Yoshimura, and Azumi Kuroyanagi.

The scientist's research has been disseminated across diverse publication venues, with multiple contributions to:

  • Marine Micropaleontology
  • Frontiers in Earth Science
  • Chemical Geology
  • Progress in Earth and Planetary Science
  • Communications Earth & Environment

Best Publications

  • Global Iron Connections Between Desert Dust, Ocean Biogeochemistry, and Climate

    T. Jickells;Z An;K.K. Andersen;A.R. Baker

  • End-Permian catastrophe by a bolide impact: Evidence of a gigantic release of sulfur from the mantle

    Kunlo Kaiho;Yoshimichi Kajiwara;Takanori Nakano;Yasunori Miura

  • Interlaboratory study for coral Sr/Ca and other element/Ca ratio measurements

    Ed C. Hathorne;Alexander C. Gagnon;Thomas Felis;Jess F. Adkins

  • Preparation of a New Geological Survey of Japan Geochemical Reference Material: Coral JCp-1

    Takashi Okai;Atsushi Suzuki;Hodaka Kawahata;Shigeru Terashima

  • Paleoenvironmental changes in the northern area of the East China Sea during the past 42,000 years

    Akira Ijiri;Luejiang Wang;Tadamichi Oba;Hodaka Kawahata;Hodaka Kawahata

  • Vertical distribution of living planktonic foraminifera in the seas around Japan

    Azumi Kuroyanagi;Hodaka Kawahata;Hodaka Kawahata

  • Radiocarbon marine reservoir ages in the western Pacific estimated by pre-bomb molluscan shells

    Minoru Yoneda;Hikaru Uno;Yasuyuki Shibata;Ryo Suzuki

  • Drilling deep into young oceanic crust, Hole 504B, Costa Rica Rift

    K. Becker;H. Sakai;A. C. Adamson;J. Alexandrovich

  • A unique carbon isotope record across the Guadalupian¿Lopingian (Middle¿Upper Permian) boundary in mid-oceanic paleo-atoll carbonates: The high-productivity ¿Kamura event¿ and its collapse in Panthalassa

    Yukio Isozaki;Hodaka Kawahata;Ayano Ota

  • Endocrine disrupter nonylphenol and bisphenol A contamination in Okinawa and Ishigaki Islands, Japan - Within coral reefs and adjacent river mouths

    Hodaka Kawahata;Hodaka Kawahata;Hidekazu Ohta;Mayuri Inoue;Atsushi Suzuki

  • Permanent El Niño during the Pliocene warm period not supported by coral evidence

    Tsuyoshi Watanabe;Atsushi Suzuki;Shoshiro Minobe;Tatsunori Kawashima

  • The Capitanian (Permian) Kamura cooling event: The beginning of the Paleozoic-Mesozoic transition

    Yukio Isozaki;Hodaka Kawahata;Kayo Minoshima

  • Arsenic resistance and removal by marine and non-marine bacteria.

    Mio Takeuchi;Hodaka Kawahata;Lallan Prasad Gupta;Noriko Kita

  • Indian summer monsoon variability during the Holocene as recorded in sediments of the Arabian Sea: timing and implications

    Meloth Thamban;Hodaka Kawahata;Venigalla Purnachandra Rao

  • Skeletal isotope microprofiles of growth perturbations in Porites corals during the 1997–1998 mass bleaching event

    A. Suzuki;M. K. Gagan;K. Fabricius;P. J. Isdale

  • 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

  • Carbon budget of coral reef systems: an overview of observations in fringing reefs, barrier reefs and atolls in the Indo-Pacific regions

    Atsushi Suzuki;Hodaka Kawahata;Hodaka Kawahata

  • Subtropical coral reveals abrupt early-twentieth-century freshening in the western North Pacific Ocean

    Thomas Felis;Atsushi Suzuki;Henning Kuhnert;Mihai Dima;Mihai Dima

  • Evaluation of Mg/Ca thermometry in foraminifera: Comparison of experimental results and measurements in nature

    Takashi Toyofuku;Hiroshi Kitazato;Hodaka Kawahata;Masashi Tsuchiya

  • Demersal habitat of Late Cretaceous ammonoids: Evidence from oxygen isotopes for the Campanian (Late Cretaceous) northwestern Pacific thermal structure

    Kazuyoshi Moriya;Hiroshi Nishi;Hodaka Kawahata;Kazushige Tanabe

Frequent Co-Authors

Atsushi Suzuki
Atsushi Suzuki National Institute of Advanced Industrial Science and Technology
Yusuke Yokoyama
Yusuke Yokoyama University of Tokyo
Naohiko Ohkouchi
Naohiko Ohkouchi Japan Agency for Marine-Earth Science and Technology
Kazuhiko Sakai
Kazuhiko Sakai University of the Ryukyus
Nanako O. Ogawa
Nanako O. Ogawa Japan Agency for Marine-Earth Science and Technology
Tadamichi Oba
Tadamichi Oba Hokkaido University
Thomas Felis
Thomas Felis University of Bremen
Yukio Isozaki
Yukio Isozaki University of Tokyo
Stefano Lugli
Stefano Lugli University of Modena and Reggio Emilia
Kunio Kaiho
Kunio Kaiho Tohoku University

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