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Earth Science
South Africa
2026

Jan Kramers publication distribution in Earth Science in 2026

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 Jan Kramers sits on this spectrum.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

The last bar groups every scientist with 510 publications or more.

Jan Kramers D-index placement in Earth Science in 2026

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 Jan Kramers sits on this spectrum.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

The last bar groups every scientist with 94 D-Index or more.

Research.com Recognitions

  • 2026 - Research.com Earth Science in South Africa Leader Award
  • 2025 - Research.com Earth Science in South Africa Leader Award
  • 2022 - Research.com Earth Science in South Africa Leader Award
  • 2021 - Geochemistry Fellow Honor, Geochemical Society and the European Association of Geochemistry
  • 1998 - Royal Netherlands Academy of Arts and Sciences

Overview

Jan Kramers is affiliated with the University of Johannesburg in South Africa. Their research is mainly situated within the domain of Earth and Planetary Sciences, with significant contributions in geophysics, paleontology, artificial intelligence applications in geosciences, earth-surface processes, and anthropology.

The scientist's work encompasses several topics closely related to geological and geochemical analysis, including geochemistry and geologic mapping, geological formations and processes, and studies of Pleistocene-era hominins and archaeology. Their research also includes high-pressure geophysics and materials, geology and paleoclimatology research, and paleontology and stratigraphy of fossils.

Jan Kramers has published research in a number of venues, frequently contributing to:

  • Chemical Geology
  • Journal of African Earth Sciences
  • South African Journal of Geology
  • Goldschmidt2022 abstracts
  • Publications (Konstfack University of Arts, Crafts, and Design)

Selected recent papers authored by Jan Kramers include:

  • Providing context to the Homo naledi fossils: Constraints from flowstones on the age of sediment deposits in Rising Star Cave, South Africa, 2021, Chemical Geology
  • Expanded Explorations of the Dinaledi Subsystem, Rising Star Cave System, South Africa, 2021, Publications (Konstfack University of Arts, Crafts, and Design)
  • Geology, zircon U-Pb dating and εHf data for the Julie greenstone belt and associated rocks in NW Ghana: Implications for Birimian-to-Tarkwaian correlation and crustal evolution, 2021, Journal of African Earth Sciences
  • Age constraints of the Sturtian glaciation on western Baltica based on U-Pb and Ar-Ar dating of the Lapichi Svita, 2022, Precambrian Research
  • Petrogenesis of potassic granite suites along the southern margin of the Zimbabwe Craton, 2023, South African Journal of Geology

The scientist has collaborated frequently with other researchers, including:

  • Tebogo V. Makhubela
  • Axel Hofmann
  • G.A. Belyanin
  • Paul H.G.M. Dirks
  • Eric M. Roberts

Jan Kramers has been recognized in the scientific community through awards such as the Geochemistry Fellow Honor from the Geochemical Society and the European Association of Geochemistry in 2021 and membership in the Royal Netherlands Academy of Arts and Sciences since 1998.

Best Publications

  • Approximation of terrestrial lead isotope evolution by a two-stage model

    J.S. Stacey;J.D. Kramers

  • Holocene forcing of the Indian monsoon recorded in a stalagmite from southern Oman.

    Dominik Fleitmann;Stephen J. Burns;Manfred Mudelsee;Ulrich Neff

  • Holocene ITCZ and Indian monsoon dynamics recorded in stalagmites from Oman and Yemen (Socotra)

    Dominik Fleitmann;Stephen J. Burns;Augusto Mangini;Manfred Mudelsee

  • History of Atmospheric Lead Deposition Since 12,370 14C yr BP from a Peat Bog, Jura Mountains, Switzerland

    W. Shotyk;D. Weiss;P. G. Appleby;A. K. Cheburkin

  • Molybdenum isotope records as a potential new proxy for paleoceanography

    Christopher Siebert;Thomas Nägler;Friedhelm von Blanckenburg;Jan Dirk Kramers

  • Timing and climatic impact of Greenland interstadials recorded in stalagmites from northern Turkey

    D. Fleitmann;D. Fleitmann;H. Cheng;S. Badertscher;S. Badertscher;R. L. Edwards

  • Determination of molybdenum isotope fractionation by double‐spike multicollector inductively coupled plasma mass spectrometry

    Christopher Siebert;Thomas F. Nägler;Jan D. Kramers

  • Two terrestrial lead isotope paradoxes, forward transport modelling, core formation and the history of the continental crust

    Jan Dirk Kramers;Igor Tolstikhin;Igor Tolstikhin

  • Geochemistry of the peat bog at Etang de la Gruère, Jura Mountains, Switzerland, and its record of atmospheric Pb and lithogenic trace metals (Sc, Ti, Y, Zr, and REE) since 12,370 14 C yr BP

    W. Shotyk;D. Weiss;J.D. Kramers;R. Frei

  • Two thousand years of atmospheric arsenic, antimony, and lead deposition recorded in an ombrotrophic peat bog profile, Jura Mountains, Switzerland

    William Shotyk;Andrij K. Cheburkin;Peter G. Appleby;Andreas Fankhauser

  • Indian Ocean Climate and an Absolute Chronology over Dansgaard/Oeschger Events 9 to 13

    Stephen J. Burns;Dominik Fleitmann;Albert Matter;Jan Kramers

  • The age of Homo naledi and associated sediments in the Rising Star Cave, South Africa

    P.H.G.M. Dirks;P.H.G.M. Dirks;Eric M. Roberts;Eric M. Roberts;Hannah Louise Hilbert-Wolf;Jan Dirk Kramers

  • Atmospheric Pb Deposition since the Industrial Revolution Recorded by Five Swiss Peat Profiles: Enrichment Factors, Fluxes, Isotopic Composition, and Sources

    Dominik Weiss;William Shotyk;Peter G. Appleby;Jan Dirk Kramers

  • Evidence for a gradual rise of oxygen between 2.6 and 2.5 Ga from Mo isotopes and Re-PGE signatures in shales

    Martin Wille;Jan Kramers;Thomas Nägler;N.J. Beukes

  • Hydrogen sulphide release to surface waters at the Precambrian/Cambrian boundary

    Martin Wille;Thomas F. Nägler;Bernd Lehmann;Stefan Schröder

  • Climate on the Southern Black Sea coast during the Holocene: implications from the Sofular Cave record

    O.M. Göktürk;O.M. Göktürk;D. Fleitmann;D. Fleitmann;S. Badertscher;S. Badertscher;H. Cheng;H. Cheng

  • Lead, uranium, strontium, potassium and rubidium in inclusion-bearing diamonds and mantle-derived xenoliths from Southern Africa

    J.D. Kramers

  • Geological Setting and Age of Australopithecus sediba from Southern Africa

    Paul H. G. M. Dirks;Paul H. G. M. Dirks;Job M. Kibii;Brian F. Kuhn;Christine Steininger

  • A high-resolution, absolute-dated deglacial speleothem record of Indian Ocean climate from Socotra Island, Yemen

    Jeremy D. Shakun;Stephen J. Burns;Dominik Fleitmann;Jan Kramers

  • Evidence for a widespread climatic anomaly at around 9.2 ka before present

    Dominik Fleitmann;Dominik Fleitmann;Manfred Mudelsee;Stephen J. Burns;Raymond S. Bradley

  • Unraveling the record of successive high grade events in the Central Zone of the Limpopo Belt using Pb single phase dating of metamorphic minerals

    L. Holzer;R. Frei;J.M. Barton;J.D. Kramers

Frequent Co-Authors

Thomas F. Nägler
Thomas F. Nägler University of Bern
Paul H.G.M. Dirks
Paul H.G.M. Dirks James Cook University
Robert Frei
Robert Frei University of Copenhagen
Eric M. Roberts
Eric M. Roberts James Cook University
Balz S. Kamber
Balz S. Kamber Queensland University of Technology
Dominik Fleitmann
Dominik Fleitmann University of Basel
Lee R. Berger
Lee R. Berger James Cook University
Igor M. Villa
Igor M. Villa University of Milano-Bicocca
Albert Matter
Albert Matter University of Bern
Stephen J. Burns
Stephen J. Burns University of Massachusetts Amherst

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