| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 34 | 7928 | 7348 | 82 | 78 | 288 | 4713 |
The chart shows the history of publications by Per Knudsen between 1959 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Per Knudsen published across 67 years, from 1959 to 2025, averaging 5.5 papers a year. Output peaked at 36 publications in 2016. 9 of the 366 publications appeared in the last two years.
366 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 0 |
| 1962 | 0 |
| 1963 | 1 |
| 1964 | 1 |
| 1965 | 1 |
| 1966 | 1 |
| 1967 | 0 |
| 1968 | 1 |
| 1969 | 0 |
| 1970 | 0 |
| 1971 | 0 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 2 |
| 1979 | 1 |
| 1980 | 0 |
| 1981 | 0 |
| 1982 | 0 |
| 1983 | 3 |
| 1984 | 0 |
| 1985 | 0 |
| 1986 | 2 |
| 1987 | 1 |
| 1988 | 1 |
| 1989 | 2 |
| 1990 | 2 |
| 1991 | 2 |
| 1992 | 4 |
| 1993 | 2 |
| 1994 | 5 |
| 1995 | 0 |
| 1996 | 5 |
| 1997 | 7 |
| 1998 | 3 |
| 1999 | 2 |
| 2000 | 5 |
| 2001 | 3 |
| 2002 | 11 |
| 2003 | 9 |
| 2004 | 5 |
| 2005 | 13 |
| 2006 | 8 |
| 2007 | 11 |
| 2008 | 4 |
| 2009 | 11 |
| 2010 | 11 |
| 2011 | 12 |
| 2012 | 16 |
| 2013 | 11 |
| 2014 | 26 |
| 2015 | 27 |
| 2016 | 36 |
| 2017 | 24 |
| 2018 | 23 |
| 2019 | 16 |
| 2020 | 3 |
| 2021 | 8 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 4 |
| Total | 366 |
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 Per Knudsen sits on this spectrum.
This scientist: 288 publications — 85th percentile
85% 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 | 288 |
| 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 Per Knudsen sits on this spectrum.
This scientist: 34 D-Index — 15th percentile
15% 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 | 34 |
| 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 |
Ole Baltazar Andersen;Per Knudsen
Ole Baltazar Andersen;Per Knudsen;Philippa A. M. Berry
Ole Baltazar Andersen;Per Knudsen
M. Ablain;A. Cazenave;G. Larnicol;M. Balmaseda
Michael Bevis;Christopher Harig;Shfaqat A. Khan;Abel Brown
Shfaqat Abbas Khan;Ingo Sasgen;Michael Bevis;Tonie van Dam
Ole Baltazar Andersen;Per Knudsen;Lars Stenseng
Per Knudsen;R. Bingham;Ole Baltazar Andersen;Marie-Helene Rio
Michael Bevis;John Wahr;Shfaqat A. Khan;Finn Bo Madsen
Karina Nielsen;Lars Stenseng;Ole Baltazar Andersen;Heidi Villadsen
O. B. Andersen;P. Knudsen
Heidi Villadsen;Xiaoli Deng;Ole Baltazar Andersen;Lars Stenseng
R.J. Bingham;Per Knudsen;Ole Baltazar Andersen;R. Pail
Heidi Villadsen;Ole B. Andersen;Lars Stenseng;Karina Nielsen
Ole Baltazar Andersen;Per Knudsen
Unknown
Per Knudsen;Ole Andersen
Christine Gommenginger;Bertrand Chapron;Andy Hogg;Christian Buckingham
Kristine Skovgaard Madsen;Jacob L Høyer;Ülo Suursaar;Jun She
Ole Baltazar Andersen;Lars Stenseng;Gaia Piccioni;Per Knudsen
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