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Toshitaka Gamo

Toshitaka Gamo

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 60 1912 1725 42 37 250 12238

Toshitaka Gamo publications per year

The chart shows the history of publications by Toshitaka Gamo between 1980 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Toshitaka Gamo published across 45 years, from 1980 to 2024, averaging 5.8 papers a year. Output peaked at 21 publications in 2003. 2 of the 263 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1980 to 2024. Vertical axis: number of publications, 0 to 21. Peak 21 publications in 2003. 1980: 1 publication 1981: 0 publications 1982: 0 publications 1983: 1 publication 1984: 1 publication 1985: 1 publication 1986: 1 publication 1987: 6 publications 1988: 4 publications 1989: 3 publications 1990: 4 publications 1991: 3 publications 1992: 5 publications 1993: 10 publications 1994: 8 publications 1995: 9 publications 1996: 10 publications 1997: 3 publications 1998: 6 publications 1999: 6 publications 2000: 1 publication 2001: 6 publications 2002: 10 publications 2003: 21 publications 2004: 12 publications 2005: 8 publications 2006: 9 publications 2007: 19 publications 2008: 11 publications 2009: 10 publications 2010: 5 publications 2011: 7 publications 2012: 3 publications 2013: 4 publications 2014: 6 publications 2015: 10 publications 2016: 9 publications 2017: 8 publications 2018: 10 publications 2019: 6 publications 2020: 3 publications 2021: 1 publication 2022: 0 publications 2023: 1 publication 2024: 1 publication
1980 2024

263 publications in total across all disciplines

View publications per year as a table
Toshitaka Gamo: publications per year, 1980 to 2024
Year Publications
1980 1
1981 0
1982 0
1983 1
1984 1
1985 1
1986 1
1987 6
1988 4
1989 3
1990 4
1991 3
1992 5
1993 10
1994 8
1995 9
1996 10
1997 3
1998 6
1999 6
2000 1
2001 6
2002 10
2003 21
2004 12
2005 8
2006 9
2007 19
2008 11
2009 10
2010 5
2011 7
2012 3
2013 4
2014 6
2015 10
2016 9
2017 8
2018 10
2019 6
2020 3
2021 1
2022 0
2023 1
2024 1
Total 263
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Toshitaka Gamo 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 Toshitaka Gamo 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, 248–257 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: 250 publications — 78th percentile

78% 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
248–257 208 250
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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Toshitaka Gamo 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 Toshitaka Gamo 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, 60 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: 60 D-Index — 80th percentile

80% 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 60
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

Toshitaka Gamo is affiliated with the University of Tokyo in Japan and contributes to research primarily in Earth and Planetary Sciences as well as Environmental Science. Their work spans fields such as Geochemistry and Petrology, Atmospheric Science, Paleontology, Oceanography, and Industrial and Manufacturing Engineering.

Their research addresses several main topics including Geochemistry and Elemental Analysis, Geology and Paleoclimatology Research, Paleontology and Stratigraphy of Fossils, Marine and Coastal Ecosystems, Marine Biology and Ecology Research, Water Quality Monitoring and Analysis, and Radioactive Contamination and Transfer.

Toshitaka Gamo has published notable recent papers such as:

  • Magnesium isotopic composition of submarine vent fluids from arc and back-arc hydrothermal systems in the western Pacific (2020), Chemical Geology
  • A Systematic Assessment of Stable Sr Isotopic Compositions of Vent Fluids in Arc/Back-Arc Hydrothermal Systems: Effects of Host Rock Type, Phase Separation, and Overlying Sediment (2020), Frontiers in Earth Science
  • A record of 241Am, 236U, 238U, 239Pu, 240Pu, 134Cs and 137Cs in surface seawater and 241Am in aerosols shortly after the FDNPP incident occurred (2021), GEOCHEMICAL JOURNAL
  • In-situ analysis of sub-nanomolar level of Fe(II) in open-ocean waters (2024), Analytical Sciences
  • Corrigendum to "Neodymium concentration and isotopic composition distributions in the southwestern Indian Ocean and the Indian sector of the Southern Ocean" [Chemical Geology 511 (2019) 190-203] (2021), Chemical Geology

Frequent collaboration occurs with other researchers such as Toshihiro Yoshimura, Daisuke Araoka, Hodaka Kawahata, Hajime Obata, and Hirofumi Tazoe.

Their publications frequently appear in specialized venues including:

  • Chemical Geology
  • Frontiers in Earth Science
  • Analytical Sciences
  • GEOCHEMICAL JOURNAL

Best Publications

  • A global survey of perfluorinated acids in oceans.

    Nobuyoshi Yamashita;Kurunthachalam Kannan;Sachi Taniyasu;Yuichi Horii

  • Yttrium and rare earth elements in fluids from various deep-sea hydrothermal systems

    Eric Douville;Eric Douville;Philippe Bienvenu;Jean Luc Charlou;Jean Pierre Donval

  • Perfluorinated acids as novel chemical tracers of global circulation of ocean waters.

    Nobuyoshi Yamashita;Sachi Taniyasu;Gert Petrick;Si Wei

  • Venting of Carbon Dioxide-Rich Fluid and Hydrate Formation in Mid-Okinawa Trough Backarc Basin

    H. Sakai;T. Gamo;E. S. Kim;M. Tsutsumi

  • The GEOTRACES Intermediate Data Product 2017

    Reiner Schlitzer;Robert F. Anderson;Elena Masferrer Dodas;Maeve Lohan

  • Chemical Methods for Interstitial Water Analysis aboard JOIDES Resolution

    J. Gieskes;T. Gamo;H. Brumsack

  • Geochemical and microbiological evidence for a hydrogen-based, hyperthermophilic subsurface lithoautotrophic microbial ecosystem (HyperSLiME) beneath an active deep-sea hydrothermal field

    Ken Takai;Toshitaka Gamo;Urumu Tsunogai;Noriko Nakayama

  • GEOTRACES – An international study of the global marine biogeochemical cycles of trace elements and their isotopes

    G.M. Henderson;R.F. Anderson;J. Adkins;P. Andersson

  • Acidic and sulfate-rich hydrothermal fluids from the Manus back-arc basin, Papua New Guinea

    Toshitaka Gamo;Kei Okamura;Jean-Luc Charlou;Tetsuro Urabe

  • Chemical characteristics of newly discovered black smoker fluids and associated hydrothermal plumes at the Rodriguez Triple Junction, Central Indian Ridge

    Toshitaka Gamo;Hitoshi Chiba;Toshiro Yamanaka;Takamoto Okudaira

  • Abyssal circulation in the Japan Sea

    Toshitaka Gamo;Yoshio Horibe

  • Spacial and temporal variations of water characteristics in the Japan Sea bottom layer

    Toshitaka Gamo;Yoshiyuki Nozaki;Hitoshi Sakai;Toshisuke Nakai

  • 134Cs and 137Cs in the North Pacific Ocean derived from the March 2011 TEPCO Fukushima Dai-ichi Nuclear Power Plant accident, Japan. Part two: estimation of 134Cs and 137Cs inventories in the North Pacific Ocean

    Michio Aoyama;Mizuo Kajino;Taichu Y. Tanaka;Tsuyoshi Thomas Sekiyama

  • Global warming may have slowed down the deep conveyor belt of a marginal sea of the northwestern Pacific: Japan Sea

    Toshitaka Gamo

  • Sediment deformation and hydrogeology of the Nankai Trough accretionary prism: Synthesis of shipboard results of ODP Leg 131

    A. Taira;I. Hill;J. Firth;U. Berner

  • First Hydrothermal Vent Communities from the Indian Ocean Discovered

    Jun Hashimoto;Suguru Ohta;Toshitaka Gamo;Hitoshi Chiba

  • Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa trough: Implication for origin of methane in subseafloor fluid circulation systems

    Shinsuke Kawagucci;Shinsuke Kawagucci;Hitoshi Chiba;Jun Ichiro Ishibashi;Toshiro Yamanaka

  • Colorimetric Detection of Mercury(II) Ion in Aqueous Solution Using Silver Nanoparticles

    M. Lutfi Firdaus;Ikka Fitriani;Santhy Wyantuti;Yeni W. Hartati

  • Unique chemistry of the hydrothermal solution in the mid-Okinawa Trough Backarc Basin

    H. Sakai;T. Gamo;E. ‐S Kim;K. Shitashima

  • Variability in the microbial communities and hydrothermal fluid chemistry at the newly discovered Mariner hydrothermal field, southern Lau Basin

    Ken Takai;Takuro Nunoura;Jun Ichiro Ishibashi;John Lupton

  • Helium and carbon geochemistry of hydrothermal fluids from the Mid-Okinawa Trough Back Arc Basin, southwest of Japan

    J. Ishibashi;Y. Sano;H. Wakita;T. Gamo

  • The GEOTRACES Intermediate Data Product 2014

    Edward Mawji;Reiner Schlitzer;Elena Masferrer Dodas;Cyril Abadie

Frequent Co-Authors

Urumu Tsunogai
Urumu Tsunogai Nagoya University
Hajime Obata
Hajime Obata University of Tokyo
Jun-ichiro Ishibashi
Jun-ichiro Ishibashi Kobe University
Yuji Sano
Yuji Sano Kōchi University
Hiroshi Wakita
Hiroshi Wakita University of Tokyo
Hitoshi Sakai
Hitoshi Sakai University of Tokyo
Kantaro Fujioka
Kantaro Fujioka Kanagawa University
Naoto Takahata
Naoto Takahata University of Tokyo
Naohiro Yoshida
Naohiro Yoshida Tokyo Institute of Technology
Nobuyoshi Yamashita
Nobuyoshi Yamashita National Institute of Advanced Industrial Science and Technology

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