| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 33 | 8223 | 7626 | 252 | 238 | 144 | 5464 |
The chart shows the history of publications by Akiko Sakai between 1959 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Akiko Sakai published across 67 years, from 1959 to 2025, averaging 3.7 papers a year. Output peaked at 18 publications in 2018. 23 of the 249 publications appeared in the last two years.
249 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 0 |
| 1962 | 1 |
| 1963 | 0 |
| 1964 | 0 |
| 1965 | 0 |
| 1966 | 1 |
| 1967 | 1 |
| 1968 | 0 |
| 1969 | 0 |
| 1970 | 1 |
| 1971 | 0 |
| 1972 | 0 |
| 1973 | 0 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 0 |
| 1977 | 0 |
| 1978 | 0 |
| 1979 | 0 |
| 1980 | 0 |
| 1981 | 1 |
| 1982 | 0 |
| 1983 | 0 |
| 1984 | 0 |
| 1985 | 1 |
| 1986 | 0 |
| 1987 | 0 |
| 1988 | 1 |
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 0 |
| 1992 | 0 |
| 1993 | 1 |
| 1994 | 1 |
| 1995 | 2 |
| 1996 | 3 |
| 1997 | 5 |
| 1998 | 4 |
| 1999 | 2 |
| 2000 | 4 |
| 2001 | 3 |
| 2002 | 9 |
| 2003 | 3 |
| 2004 | 5 |
| 2005 | 2 |
| 2006 | 14 |
| 2007 | 2 |
| 2008 | 4 |
| 2009 | 5 |
| 2010 | 2 |
| 2011 | 2 |
| 2012 | 7 |
| 2013 | 12 |
| 2014 | 13 |
| 2015 | 7 |
| 2016 | 14 |
| 2017 | 11 |
| 2018 | 18 |
| 2019 | 14 |
| 2020 | 13 |
| 2021 | 12 |
| 2022 | 12 |
| 2023 | 11 |
| 2024 | 9 |
| 2025 | 14 |
| Total | 249 |
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 Akiko Sakai sits on this spectrum.
This scientist: 144 publications — 36th percentile
36% 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 | 144 |
| 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 | |
| 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 Akiko Sakai sits on this spectrum.
This scientist: 33 D-Index — 11th percentile
11% 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 | 33 |
| 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 | |
| 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 |
J. S. Kargel;G. J. Leonard;D. H. Shugar;U. K. Haritashya
Tamsin L Edwards;Sophie Nowicki;Sophie Nowicki;Ben Marzeion;Regine Hock;Regine Hock
Ben Marzeion;Regine Hock;Brian Anderson;Andrew Bliss
T. Nuimura;T. Nuimura;A. Sakai;K. Taniguchi;H. Nagai;H. Nagai
Koji Fujita;Ryohei Suzuki;Takayuki Nuimura;Akiko Sakai
Akiko Sakai;Nozomu Takeuchi;Koji Fujita;Masayoshi Nakawo
Akiko Sakai;Koji Fujita
K. Fujita;A. Sakai;S. Takenaka;T. Nuimura
Koji Fujita;Akiko Sakai;Takayuki Nuimura;Satoru Yamaguchi
Akiko Sakai;Masayoshi Nakawo;Koji Fujita
A. Sakai;K. Nishimura;T. Kadota;N. Takeuchi
K. Fujita;A. Sakai
Akiko Sakai;Masayoshi Nakawo;Koji Fujita
A. Sakai;T. Nuimura;T. Nuimura;K. Fujita;S. Takenaka
M. Nakawo;H. Yabuki;A. Sakai
Franco Salerno;Sudeep Thakuri;Gianni Tartari;Takayuki Nuimura
Akiko Sakai;Koji Fujita
Unknown
Unknown
H. Nagai;K. Fujita;T. Nuimura;A. Sakai
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