| Discipline name | D-Index | World Ranking | National Ranking | Publications | Citations |
|---|---|---|---|---|---|
| Earth Science | 47 | 3918 | 41 | 88 | 20021 |
The chart shows the history of publications by Claus U. Hammer between 1975 and 2013, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Claus U. Hammer published across 39 years, from 1975 to 2013, averaging 2.4 papers a year. Output peaked at 10 publications in 1997. 4 of the 92 publications appeared in the last two years.
92 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1975 | 1 |
| 1976 | 1 |
| 1977 | 2 |
| 1978 | 4 |
| 1979 | 0 |
| 1980 | 2 |
| 1981 | 1 |
| 1982 | 3 |
| 1983 | 1 |
| 1984 | 4 |
| 1985 | 4 |
| 1986 | 4 |
| 1987 | 3 |
| 1988 | 5 |
| 1989 | 0 |
| 1990 | 0 |
| 1991 | 0 |
| 1992 | 2 |
| 1993 | 5 |
| 1994 | 3 |
| 1995 | 5 |
| 1996 | 4 |
| 1997 | 10 |
| 1998 | 4 |
| 1999 | 1 |
| 2000 | 1 |
| 2001 | 9 |
| 2002 | 3 |
| 2003 | 2 |
| 2004 | 0 |
| 2005 | 0 |
| 2006 | 0 |
| 2007 | 2 |
| 2008 | 2 |
| 2009 | 0 |
| 2010 | 0 |
| 2011 | 0 |
| 2012 | 0 |
| 2013 | 4 |
| Total | 92 |
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 Claus U. Hammer sits on this spectrum.
This scientist: 88 publications — 7th percentile
7% 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 | 88 |
| 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 | |
| 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 Claus U. Hammer sits on this spectrum.
This scientist: 47 D-Index — 57th percentile
57% 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 | 47 |
| 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 |
Claus U. Hammer is affiliated with the University of Copenhagen in Denmark. Their academic profile includes a membership in Academia Europaea since 1998.
Throughout their career, Claus U. Hammer has contributed to the scientific community through various research activities aligned with their affiliation. Although specific publications, co-authors, or detailed research topics are not listed, their recognition as a member of Academia Europaea indicates involvement in European scholarly networks.
The membership in Academia Europaea, awarded in 1998, reflects an established presence within the academic field, often signifying contributions to research and scholarship recognized by peers across Europe.
W. Dansgaard;S. J. Johnsen;S. J. Johnsen;H. B. Clausen;D. Dahl-Jensen
S. J. Johnsen;S. J. Johnsen;H. B. Clausen;W. Dansgaard;K. Fuhrer
T. Blunier;J. Chappellaz;J. Schwander;A. Dällenbach
C. U. Hammer;H. B. Clausen;W. Dansgaard
W. Dansgaard;H. B. Clausen;N. Gundestrup;C. U. Hammer
Svante Björck;Bernd Kromer;Sigfus Johnsen;Ole Bennike
Karl Grönvold;Níels Óskarsson;Sigfús J. Johnsen;Sigfús J. Johnsen;Henrik B. Clausen
Sigfus I. Johnsen;Henrik B. Clausen;Willi Dansgaard;Niels S. Gundestrup
W. Dansgaard;S.J. Johnsen;H.B. Clausen;D. Dahl-Jensen
Valérie Masson;Françoise Vimeux;Jean Jouzel;Vin Morgan
Unknown
C. U. Hammer;H. B. Clausen;W. Dansgaard;N. Gundestrup
F. Yiou;G. M. Raisbeck;S. Baumgartner;J. Beer
K. C. Taylor;C. U. Hammer;R. B. Alley;H. B. Clausen
W. Dansgaard;S. J. Johnsen;Niels Reeh;N. Gundestrup
C. U. Hammer
C. U. Hammer;H. B. Clausen;W. Dansgaard;A. Neftel
Henrik B. Clausen;Claus U. Hammer;Christine S. Hvidberg;Dorthe Dahl-Jensen
H.B. Clausen;C.U. Hammer
M. De Angelis;J. P. Steffensen;M. Legrand;H. Clausen
L. B. Larsen;B. M. Vinther;B. M. Vinther;K. R. Briffa;T. M. Melvin
M. Maurette;C. Jéhanno;E. Robin;C. Hammer
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