| Discipline name | D-Index | World Ranking | Current World Ranking | National Ranking | Current National Ranking | Publications | Citations |
|---|---|---|---|---|---|---|---|
| Earth Science | 77 | 625 | 552 | 35 | 31 | 547 | 20993 |
The chart shows the history of publications by Ralf Littke between 1987 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Ralf Littke published across 39 years, from 1987 to 2025, averaging 15.7 papers a year. Output peaked at 44 publications in 2016. 34 of the 611 publications appeared in the last two years.
611 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1987 | 2 |
| 1988 | 11 |
| 1989 | 21 |
| 1990 | 12 |
| 1991 | 11 |
| 1992 | 9 |
| 1993 | 10 |
| 1994 | 4 |
| 1995 | 9 |
| 1996 | 7 |
| 1997 | 9 |
| 1998 | 7 |
| 1999 | 7 |
| 2000 | 9 |
| 2001 | 14 |
| 2002 | 14 |
| 2003 | 11 |
| 2004 | 16 |
| 2005 | 20 |
| 2006 | 21 |
| 2007 | 18 |
| 2008 | 24 |
| 2009 | 11 |
| 2010 | 22 |
| 2011 | 8 |
| 2012 | 16 |
| 2013 | 14 |
| 2014 | 18 |
| 2015 | 19 |
| 2016 | 44 |
| 2017 | 20 |
| 2018 | 17 |
| 2019 | 35 |
| 2020 | 19 |
| 2021 | 25 |
| 2022 | 25 |
| 2023 | 18 |
| 2024 | 20 |
| 2025 | 14 |
| Total | 611 |
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 Ralf Littke sits on this spectrum.
This scientist: 547 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 | |
| 518–527 | 16 | |
| 528–537 | 10 | |
| 538–547 | 11 | 547 |
| 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 Ralf Littke sits on this spectrum.
This scientist: 77 D-Index — 93rd percentile
93% 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 | |
| 73 | 54 | |
| 74 | 35 | |
| 75 | 52 | |
| 76 | 50 | |
| 77 | 32 | 77 |
| 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 |
Ralf Littke is affiliated with RWTH Aachen University in Germany, contributing extensively to the fields of engineering and earth and planetary sciences.
Their research work primarily covers topics including:
Littke's main fields of study are engineering, with 142 publications, and earth and planetary sciences, with 69 publications. The subfields of their work include:
Their publication record includes a number of recent papers, notable among them:
Littke frequently publishes in the following venues:
The scientist collaborates regularly with several coauthors, including:
JI Hedges;G Eglinton;PG Hatcher;DL Kirchman
Matus Gasparik;Pieter Bertier;Yves Gensterblum;Amin Ghanizadeh
Andreas Busch;Yves Gensterblum;Bernhard M. Krooss;Ralf Littke
Jop Klaver;Guillaume Desbois;Janos L. Urai;Ralf Littke
Jochen Erbacher;Jürgen Thurow;Ralf Littke
Johannes Schoenherr;Ralf Littke;Janos L. Urai;Peter A. Kukla
Jop Klaver;Guillaume Desbois;Ralf Littke;Janos L. Urai
Jan Schwarzbauer;Sabine Heim;Sabine Brinker;Ralf Littke
B.M. Krooss;R. Littke;B. Müller;J. Frielingsdorf
A. Hildenbrand;S. Schlömer;B. M. Krooss;R. Littke
Michael M Joachimski;Christian Ostertag-Henning;Richard D Pancost;Harald Strauss
J. Wollenweber;S. Alles;Andreas Busch;Bernhard M. Krooss
Amin Ghanizadeh;Alexandra Amann-Hildenbrand;Matus Gasparik;Yves Gensterblum
R Littke;U Klussmann;B Krooss;D Leythaeuser
Christoph Hartkopf-Fröder;Peter Königshof;Ralf Littke;Jan Schwarzbauer
J Rullkötter;D Leythaeuser;B Horsfield;R Littke
Maria-Fernanda Romero-Sarmiento;Jean-Noël Rouzaud;Sylvain Bernard;Damien Deldicque
Ralf Littke;Bernhard M. Krooss;Erdem F. Idiz;Juergen Frielingsdorf
Bernhard Cramer;Bernhard M. Krooss;Ralf Littke
M. N. Yalçin;M. N. Yalçin;R. Littke;R. F. Sachsenhofer
If you think any of the details on this page are incorrect, let us know.
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