| Discipline name | D-Index | World Ranking | National Ranking | Publications | Citations |
|---|---|---|---|---|---|
| Earth Science | 33 | 8348 | 608 | 78 | 4222 |
The chart shows the history of publications by H. Kopka between 1968 and 1997, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. H. Kopka published across 30 years, from 1968 to 1997, averaging 2.7 papers a year. Output peaked at 14 publications in 1983. 1 of the 81 publications appeared in the last two years.
81 publications in total across all disciplines
| Year | Publications |
|---|---|
| 1968 | 2 |
| 1969 | 0 |
| 1970 | 0 |
| 1971 | 0 |
| 1972 | 0 |
| 1973 | 0 |
| 1974 | 0 |
| 1975 | 0 |
| 1976 | 0 |
| 1977 | 1 |
| 1978 | 2 |
| 1979 | 0 |
| 1980 | 2 |
| 1981 | 4 |
| 1982 | 8 |
| 1983 | 14 |
| 1984 | 9 |
| 1985 | 6 |
| 1986 | 6 |
| 1987 | 5 |
| 1988 | 4 |
| 1989 | 3 |
| 1990 | 5 |
| 1991 | 2 |
| 1992 | 2 |
| 1993 | 3 |
| 1994 | 0 |
| 1995 | 2 |
| 1996 | 0 |
| 1997 | 1 |
| Total | 81 |
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 H. Kopka sits on this spectrum.
This scientist: 78 publications — 3rd percentile
3% 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 | 78 |
| 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 | |
| 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 H. Kopka 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 |
H. Kopka is affiliated with the Max Planck Society in Germany. Their research profile reflects engagement with the scientific community through institutional association with this prominent research organization.
Despite the absence of published papers or citations in the available data, Kopka's presence at the Max Planck Society suggests involvement in research activities aligned with the institution's scientific endeavors.
No records of frequent co-authors or publication venues are documented, which may indicate either early career stage, focus on collaborative or internal research, or data limitations.
Similarly, there are no listed books or book publishers associated with Kopka's work currently available.
Their research topics, main fields of study, and subfields remain unspecified in the provided data, leaving the precise areas of scientific focus unknown from the current profile.
Information regarding awards has not been recorded, which may reflect either a non-awarded status or incomplete data.
Bo Thidé;Helmut Kopka;Peter Stubbe
M. T. Rietveld;H. Kohl;H. Kopka;P. Stubbe
P. Stubbe;H. Kopka;B. Thidé;H. Derblom
P. Stubbe;H. Kopka;H. Lauche;M. T. Rietveld
P. Stubbe;H. Kopka;R. L. Dowden
P. Stubbe;H. Kopka
P. Stubbe;H. Kopka;M. T. Rietveld;R. L. Dowden
T. B. Leyser;B. Thidé;H. Derblom;Å. Hedberg
T. B. Leyser;B. Thidé;H. Derblom;Å. Hedberg
Å. Hedberg;H. Derblom;B. Thidé;H. Kopka
P. Stubbe;H. Kopka;M. T. Rietveld;A. Frey
M. T. Rietveld;H. Kopka;P. Stubbe
B. Thidé;H. Derblom;Å. Hedberg;H. Kopka
T. Hagfors;W. Kofman;H. Kopka;P. Stubbe
P. Stubbe;H. Kopka
A. J. Stocker;F. Honary;T. R. Robinson;T. B. Jones
M. T. Rietveld;P. Stubbe;H. Kopka
T. B. Jones;T. R. Robinson;P. Stubbe;H. Kopka
M. T. Rietveld;H. P. Mauelshagen;P. Stubbe;H. Kopka
P. Stubbe;H. Kopka;T. B. Jones;T. Robinson
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