| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 35 | 7623 | 7059 | 222 | 209 | 218 | 4608 |
The chart shows the history of publications by Kohtaro Ujiie between 1997 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Kohtaro Ujiie published across 29 years, from 1997 to 2025, averaging 8.1 papers a year. Output peaked at 29 publications in 2015. 13 of the 234 publications appeared in the last two years.
234 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1997 | 1 |
| 1998 | 0 |
| 1999 | 0 |
| 2000 | 2 |
| 2001 | 3 |
| 2002 | 1 |
| 2003 | 2 |
| 2004 | 2 |
| 2005 | 5 |
| 2006 | 1 |
| 2007 | 7 |
| 2008 | 3 |
| 2009 | 8 |
| 2010 | 5 |
| 2011 | 13 |
| 2012 | 14 |
| 2013 | 18 |
| 2014 | 18 |
| 2015 | 29 |
| 2016 | 7 |
| 2017 | 16 |
| 2018 | 15 |
| 2019 | 14 |
| 2020 | 17 |
| 2021 | 6 |
| 2022 | 4 |
| 2023 | 10 |
| 2024 | 3 |
| 2025 | 10 |
| Total | 234 |
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 Kohtaro Ujiie sits on this spectrum.
This scientist: 218 publications — 69th percentile
69% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 603 publications or more.
| 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 | 218 |
| 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 |
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 Kohtaro Ujiie sits on this spectrum.
This scientist: 35 D-Index — 19th percentile
19% of scientists in this discipline score the same or lower.
The last bar groups every scientist with 106 D-Index or more.
| D-Index | Scientists | This scientist |
|---|---|---|
| 30 | 144 | |
| 31 | 215 | |
| 32 | 278 | |
| 33 | 379 | |
| 34 | 366 | |
| 35 | 372 | 35 |
| 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 | |
| 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 |
Kohtaro Ujiie is affiliated with the University of Tsukuba in Japan and has contributed extensively to research in Earth and Planetary Sciences, Environmental Science, and Engineering. Their work spans several subfields including Geophysics, Environmental Chemistry, Ocean Engineering, Atmospheric Science, and Mechanics of Materials.
The scientist's research focuses on topics such as Methane Hydrates and Related Phenomena, Seismic Imaging and Inversion Techniques, earthquake and tectonic studies, Reservoir Engineering and Simulation Methods, Geological and Geochemical Analysis, High-pressure geophysics and materials, and Geology and Paleoclimatology Research.
Ujiie has published papers in multiple prominent scientific venues, some of which include:
Frequent publication venues for their work include Zenodo (CERN European Organization for Nuclear Research), OPAL (Open@LaTrobe) (La Trobe University), Geochemistry Geophysics Geosystems, Journal of Geophysical Research Solid Earth, and Geophysical Research Letters.
In addition to articles, Ujiie has contributed to book publications with titles such as Expedition 405 Scientific Prospectus: Tracking Tsunamigenic Slip Across the Japan Trench (JTRACK), published in 2023 and 2024 by Scientific Prospectus, and Tracking Tsunamigenic Slip Across the Japan Trench (JTRACK), expected in 2025 from Proceedings of the International Ocean Discovery Program. These works relate to ongoing research on seismic activity and subduction zones.
The scientist has collaborated frequently with researchers including Marianne Conin, Gaku Kimura, Michael B. Underwood, Toshiya Kanamatsu, and Saneatsu Saito.
Frederick M. Chester;Christie Rowe;Kohtaro Ujiie;James Kirkpatrick
Kohtaro Ujiie;Kohtaro Ujiie;Hanae Tanaka;Tsubasa Saito;Akito Tsutsumi
Gregory F. Moore;Asahiko Taira;Adam Klaus;Luann Becker
Arito Sakaguchi;Frederick Chester;Daniel Curewitz;Olivier Fabbri
Weiren Lin;Weiren Lin;Weiren Lin;Marianne Conin;Marianne Conin;J. Casey Moore;Frederick M. Chester
Gaku Kimura;Gaku Kimura;Yujin Kitamura;Yoshitaka Hashimoto;Asuka Yamaguchi
Kohtaro Ujiie;Kohtaro Ujiie;Hanae Saishu;Åke Fagereng;Naoki Nishiyama
Christie D. Rowe;J. Casey Moore;Francesca Remitti
Gaku Kimura;Asuka Yamaguchi;Megumi Hojo;Yujin Kitamura
Kohtaro Ujiie;Akito Tsutsumi
Yujin Kitamura;Katsushi Sato;Eisei Ikesawa;Kotoe Ikehara-Ohmori
Kohtaro Ujiie;Haruka Yamaguchi;Arito Sakaguchi;Shoichi Toh
Eisei Ikesawa;Gaku Kimura;Gaku Kimura;Katsushi Sato;Kotoe Ikehara-Ohmori
Kohtaro Ujiie
Jun Kameda;Mayuko Shimizu;Kohtaro Ujiie;Takehiro Hirose
Kohtaro Ujiie;Asuka Yamaguchi;Gaku Kimura;Shoichi Toh
Kohtaro Ujiie;Toshio Hisamitsu;Asahiko Taira
Paola Vannucchi;Paola Vannucchi;Peter B. Sak;Jason P. Morgan;Ken’ichi Ohkushi
Emily E. Brodsky;James J. Mori;Louise Anderson;Frederick M. Chester
Kohtaro Ujiie;Kohtaro Ujiie;Gaku Kimura
If you think any of the details on this page are incorrect, let us know.
Exploring Earth Science opens doors to diverse career paths that often benefit from complementary skills and interdisciplinary knowledge. Many students enhance their expertise by pursuing online degrees that align with environmental research, data analysis, and communication.
For seniors considering a return to education, there are numerous college degrees for seniors that provide flexible scheduling and tailored coursework. These options make it easier to gain new credentials while balancing life commitments.
Students interested in combining Earth Science with information management may find value in masters in library science programs. Many reputable schools offer ala-accredited schools that ensure quality education and recognition in professional circles.
Additionally, those drawn to visual representation of Earth Science data might explore a bachelors in photography online. This degree can enhance skills in capturing landscapes and scientific imagery critical for research and outreach.
Max Planck Society
Chinese Academy of Sciences
Finnish Institute for Health and Welfare
University of Strasbourg
Japan Agency for Marine-Earth Science and Technology
University of Amsterdam
Gifu University
Osaka University
University of California, Los Angeles
University of Melbourne
University of Cambridge
Ruhr University Bochum
Bielefeld University
RIKEN
University at Buffalo, State University of New York
RWTH Aachen University
