| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 72 | 861 | 760 | 13 | 12 | 511 | 17734 |
The chart shows the history of publications by Takafumi Hirata between 1986 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Takafumi Hirata published across 41 years, from 1986 to 2026, averaging 15.9 papers a year. Output peaked at 48 publications in 2019. 27 of the 653 publications appeared in the last two years.
653 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1986 | 1 |
| 1987 | 0 |
| 1988 | 1 |
| 1989 | 1 |
| 1990 | 4 |
| 1991 | 1 |
| 1992 | 1 |
| 1993 | 0 |
| 1994 | 0 |
| 1995 | 1 |
| 1996 | 3 |
| 1997 | 4 |
| 1998 | 2 |
| 1999 | 1 |
| 2000 | 2 |
| 2001 | 6 |
| 2002 | 6 |
| 2003 | 14 |
| 2004 | 12 |
| 2005 | 9 |
| 2006 | 18 |
| 2007 | 12 |
| 2008 | 27 |
| 2009 | 12 |
| 2010 | 18 |
| 2011 | 11 |
| 2012 | 22 |
| 2013 | 37 |
| 2014 | 44 |
| 2015 | 47 |
| 2016 | 32 |
| 2017 | 45 |
| 2018 | 35 |
| 2019 | 48 |
| 2020 | 41 |
| 2021 | 36 |
| 2022 | 20 |
| 2023 | 31 |
| 2024 | 21 |
| 2025 | 25 |
| 2026 | 2 |
| Total | 653 |
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 Takafumi Hirata sits on this spectrum.
This scientist: 511 publications — 98th percentile
98% 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 | |
| 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 | 511 |
| 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 Takafumi Hirata sits on this spectrum.
This scientist: 72 D-Index — 91st percentile
91% 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 | |
| 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 | 72 |
| 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 |
Takafumi Hirata is a researcher affiliated with the University of Tokyo in Japan, contributing extensively to Earth and Planetary Sciences with a focus on geophysical and geochemical analysis. Their scholarly output encompasses areas such as geophysics, atmospheric science, artificial intelligence, analytical chemistry, and spectroscopy.
The main topics of their work include geological and geochemical analysis, earthquake and tectonic studies, geology and paleoclimatology research, high-pressure geophysics and materials, geochemistry and geologic mapping, analytical chemistry methods development, and radioactive element chemistry and processing.
Frequent co-authors collaborating with Takafumi Hirata include:
Takafumi Hirata's publications are often found in several key scientific journals. These frequent venues include:
Notable recent papers authored or co-authored by Hirata are:
Tsuyoshi Iizuka;Takafumi Hirata
Michael E. Wieser;Norman Holden;Tyler B. Coplen;John K. Böhlke
P. Jeremy Werdell;Bryan A. Franz;Sean W. Bailey;Gene C. Feldman
Takafumi Hirata;Takafumi Hirata;Robert W. Nesbitt
T. Hirata;N. J. Hardman-Mountford;R. J. W. Brewin;R. J. W. Brewin;J. Aiken
Naoto Hirano;Naoto Hirano;Eiichi Takahashi;Eiichi Takahashi;Junji Yamamoto;Junji Yamamoto;Natsue Abe
C Laufkötter;C Laufkötter;M Vogt;N Gruber;M Aita-Noguchi
Robert J.W. Brewin;Shubha Sathyendranath;Takafumi Hirata;Samantha J. Lavender
Steve Groom;Shubha Sathyendranath;Yai Ban;Stewart Bernard
Shuji Rino;Tsuyoshi Komiya;Brian F. Windley;Ikuo Katayama
Yusuke Sawaki;Takeshi Ohno;Miyuki Tahata;Tsuyoshi Komiya
J.A. Barrat;F. Keller;J. Amossé;R.N. Taylor
Takafumi Hirata
T Hirata;J Aiken;NJ Hardman-Mountford;TJ Smyth
Hideki Iwano;Yuji Orihashi;Takafumi Hirata;Masatsugu Ogasawara
Tsuyoshi Iizuka;Kenji Horie;Tsuyoshi Komiya;Shigenori Maruyama
Colleen B. Mouw;Nick J. Hardman-Mountford;Séverine Alvain;Astrid Bracher;Astrid Bracher
Astrid Bracher;Astrid Bracher;Heather A. Bouman;Robert J. W. Brewin;Annick Bricaud;Annick Bricaud
Tsuyoshi Iizuka;Takafumi Hirata;Tsuyoshi Komiya;Shuji Rino
Tsuyoshi Iizuka;Tsuyoshi Komiya;Shuji Rino;Shigenori Maruyama
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For those interested in expanding their knowledge beyond Earth Science, there are several related online degree options worth exploring. Many programs are designed to be accessible for seniors, making the degrees for older adults a valuable resource for mature learners seeking flexible education paths.
If you have a passion for information management and curation, pursuing a master's degree in library science can open doors to rewarding careers. Accredited programs, especially those recognized by the American Library Association, hold significant value. Consider exploring schools listed under ala accredited schools to ensure quality and credibility.
For a focused approach, a masters in library science offers specialized training that prepares students for diverse roles in libraries, archives, and information centers.
Additionally, combining scientific interests with creativity is possible through programs like an online degree in photography. This pathway can complement Earth Science expertise, especially in fields involving environmental documentation and visual media.
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