World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 36 7061 6537 512 488 198 7858

Jens Kallmeyer publications per year

The chart shows the history of publications by Jens Kallmeyer between 1961 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jens Kallmeyer published across 66 years, from 1961 to 2026, averaging 3.6 papers a year. Output peaked at 23 publications in 2023. 19 of the 240 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1961 to 2026. Vertical axis: number of publications, 0 to 23. Peak 23 publications in 2023. 1961: 1 publication 1962: 0 publications 1963: 0 publications 1964: 0 publications 1965: 0 publications 1966: 0 publications 1967: 0 publications 1968: 0 publications 1969: 0 publications 1970: 0 publications 1971: 0 publications 1972: 0 publications 1973: 0 publications 1974: 0 publications 1975: 0 publications 1976: 0 publications 1977: 0 publications 1978: 0 publications 1979: 0 publications 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 0 publications 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 0 publications 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 0 publications 2001: 0 publications 2002: 3 publications 2003: 3 publications 2004: 6 publications 2005: 3 publications 2006: 4 publications 2007: 2 publications 2008: 3 publications 2009: 6 publications 2010: 4 publications 2011: 9 publications 2012: 19 publications 2013: 8 publications 2014: 8 publications 2015: 9 publications 2016: 10 publications 2017: 7 publications 2018: 14 publications 2019: 13 publications 2020: 13 publications 2021: 13 publications 2022: 22 publications 2023: 23 publications 2024: 18 publications 2025: 18 publications 2026: 1 publication
1961 2026

240 publications in total across all disciplines

View publications per year as a table
Jens Kallmeyer: publications per year, 1961 to 2026
Year Publications
1961 1
1962 0
1963 0
1964 0
1965 0
1966 0
1967 0
1968 0
1969 0
1970 0
1971 0
1972 0
1973 0
1974 0
1975 0
1976 0
1977 0
1978 0
1979 0
1980 0
1981 0
1982 0
1983 0
1984 0
1985 0
1986 0
1987 0
1988 0
1989 0
1990 0
1991 0
1992 0
1993 0
1994 0
1995 0
1996 0
1997 0
1998 0
1999 0
2000 0
2001 0
2002 3
2003 3
2004 6
2005 3
2006 4
2007 2
2008 3
2009 6
2010 4
2011 9
2012 19
2013 8
2014 8
2015 9
2016 10
2017 7
2018 14
2019 13
2020 13
2021 13
2022 22
2023 23
2024 18
2025 18
2026 1
Total 240
Download as CSV

Jens Kallmeyer 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 Jens Kallmeyer sits on this spectrum.

No. of scientists
100 200 300 400 500
Bar chart with 58 bars. Horizontal axis: publications, 38–47 to 603+. Vertical axis: number of scientists, 0 to 557. Most scientists, 557, have 128–137 publications. The last bar groups every scientist with 603 publications or more. The highlighted bar, 198–207 publications, is where this scientist sits. 38–47 publications: 5 scientists 48–57 publications: 33 scientists 58–67 publications: 94 scientists 68–77 publications: 161 scientists 78–87 publications: 278 scientists 88–97 publications: 376 scientists 98–107 publications: 404 scientists 108–117 publications: 484 scientists 118–127 publications: 540 scientists 128–137 publications: 557 scientists 138–147 publications: 491 scientists 148–157 publications: 495 scientists 158–167 publications: 458 scientists 168–177 publications: 490 scientists 178–187 publications: 414 scientists 188–197 publications: 401 scientists 198–207 publications: 333 scientists 208–217 publications: 292 scientists 218–227 publications: 290 scientists 228–237 publications: 262 scientists 238–247 publications: 243 scientists 248–257 publications: 208 scientists 258–267 publications: 185 scientists 268–277 publications: 147 scientists 278–287 publications: 128 scientists 288–297 publications: 119 scientists 298–307 publications: 120 scientists 308–317 publications: 107 scientists 318–327 publications: 93 scientists 328–337 publications: 87 scientists 338–347 publications: 64 scientists 348–357 publications: 87 scientists 358–367 publications: 60 scientists 368–377 publications: 60 scientists 378–387 publications: 34 scientists 388–397 publications: 50 scientists 398–407 publications: 44 scientists 408–417 publications: 31 scientists 418–427 publications: 39 scientists 428–437 publications: 27 scientists 438–447 publications: 36 scientists 448–457 publications: 27 scientists 458–467 publications: 29 scientists 468–477 publications: 30 scientists 478–487 publications: 19 scientists 488–497 publications: 15 scientists 498–507 publications: 18 scientists 508–517 publications: 19 scientists 518–527 publications: 16 scientists 528–537 publications: 10 scientists 538–547 publications: 11 scientists 548–557 publications: 14 scientists 558–567 publications: 11 scientists 568–577 publications: 7 scientists 578–587 publications: 14 scientists 588–597 publications: 5 scientists 598–602 publications: 4 scientists 603+ publications: 100 scientists
38–47 publications 603+

This scientist: 198 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

View publications distribution as a table
Number of Earth Science scientists by publication count, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
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
198–207 333 198
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
Download as CSV

Jens Kallmeyer 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 Jens Kallmeyer sits on this spectrum.

No. of scientists
100 200 300
Bar chart with 77 bars. Horizontal axis: D-Index, 30 to 106+. Vertical axis: number of scientists, 0 to 389. Most scientists, 389, have 36 D-Index. The last bar groups every scientist with 106 D-Index or more. The highlighted bar, 36 D-Index, is where this scientist sits. 30 D-Index: 144 scientists 31 D-Index: 215 scientists 32 D-Index: 278 scientists 33 D-Index: 379 scientists 34 D-Index: 366 scientists 35 D-Index: 372 scientists 36 D-Index: 389 scientists 37 D-Index: 366 scientists 38 D-Index: 344 scientists 39 D-Index: 349 scientists 40 D-Index: 296 scientists 41 D-Index: 289 scientists 42 D-Index: 277 scientists 43 D-Index: 279 scientists 44 D-Index: 248 scientists 45 D-Index: 257 scientists 46 D-Index: 212 scientists 47 D-Index: 202 scientists 48 D-Index: 207 scientists 49 D-Index: 204 scientists 50 D-Index: 183 scientists 51 D-Index: 178 scientists 52 D-Index: 182 scientists 53 D-Index: 178 scientists 54 D-Index: 163 scientists 55 D-Index: 117 scientists 56 D-Index: 163 scientists 57 D-Index: 120 scientists 58 D-Index: 113 scientists 59 D-Index: 136 scientists 60 D-Index: 135 scientists 61 D-Index: 96 scientists 62 D-Index: 103 scientists 63 D-Index: 83 scientists 64 D-Index: 103 scientists 65 D-Index: 83 scientists 66 D-Index: 89 scientists 67 D-Index: 92 scientists 68 D-Index: 89 scientists 69 D-Index: 78 scientists 70 D-Index: 75 scientists 71 D-Index: 53 scientists 72 D-Index: 62 scientists 73 D-Index: 54 scientists 74 D-Index: 35 scientists 75 D-Index: 52 scientists 76 D-Index: 50 scientists 77 D-Index: 32 scientists 78 D-Index: 37 scientists 79 D-Index: 20 scientists 80 D-Index: 33 scientists 81 D-Index: 36 scientists 82 D-Index: 34 scientists 83 D-Index: 34 scientists 84 D-Index: 24 scientists 85 D-Index: 19 scientists 86 D-Index: 18 scientists 87 D-Index: 26 scientists 88 D-Index: 30 scientists 89 D-Index: 17 scientists 90 D-Index: 21 scientists 91 D-Index: 19 scientists 92 D-Index: 15 scientists 93 D-Index: 14 scientists 94 D-Index: 20 scientists 95 D-Index: 9 scientists 96 D-Index: 10 scientists 97 D-Index: 15 scientists 98 D-Index: 13 scientists 99 D-Index: 3 scientists 100 D-Index: 13 scientists 101 D-Index: 3 scientists 102 D-Index: 9 scientists 103 D-Index: 4 scientists 104 D-Index: 6 scientists 105 D-Index: 6 scientists 106+ D-Index: 98 scientists
30 D-Index 106+

This scientist: 36 D-Index — 23rd percentile

23% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

View D-Index distribution as a table
Number of Earth Science scientists by D-index, Research.com 2026 ranking edition. Based on 9,176 ranked scientists.
D-Index Scientists This scientist
30 144
31 215
32 278
33 379
34 366
35 372
36 389 36
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
Download as CSV

Overview

Jens Kallmeyer is affiliated with the Helmholtz Centre Potsdam - GFZ German Research Centre for Geosciences in Germany. Their research spans across environmental science and earth and planetary sciences, with a particular focus on environmental chemistry and ecology. The scientist's work also delves into mechanics of materials, atmospheric science, and global and planetary change.

The main topics covered by their research include:

  • Methane Hydrates and Related Phenomena
  • Microbial Community Ecology and Physiology
  • Hydrocarbon Exploration and Reservoir Analysis
  • Geology and Paleoclimatology Research
  • Atmospheric and Environmental Gas Dynamics
  • Geological and Geophysical Studies
  • CO2 Sequestration and Geologic Interactions

Kallmeyer has published extensively in several scientific venues, with frequent contributions to:

  • Publishing Network for Geoscientific and Environmental Data (PANGAEA) (Alfred Wegener Institute for Polar and Marine Research)
  • Biogeosciences
  • Frontiers in Microbiology
  • bioRxiv (Cold Spring Harbor Laboratory)
  • Scientific Drilling

Frequent co-authors include Dirk Wagner, Yuki Morono, Aurèle Vuillemin, Alexander Bartholomäus, and Verena B. Heuer.

Significant recent publications reflecting the scope of the scientist's research are:

  • Enabling large-scale hydrogen storage in porous media - the scientific challenges, 2021, Energy & Environmental Science
  • Temperature limits to deep subseafloor life in the Nankai Trough subduction zone, 2020, Science
  • Organic matter mineralization in modern and ancient ferruginous sediments, 2021, Nature Communications
  • Rapid metabolism fosters microbial survival in the deep, hot subseafloor biosphere, 2022, Nature Communications
  • Vivianite formation in ferruginous sediments from Lake Towuti, Indonesia, 2020, Biogeosciences

Best Publications

  • Global distribution of microbial abundance and biomass in subseafloor sediment

    Jens Kallmeyer;Robert Pockalny;Rishi Ram Adhikari;David C. Smith

  • Enabling large-scale hydrogen storage in porous media – the scientific challenges

    Niklas Heinemann;Juan Alcalde;Johannes M. Miocic;Johannes M. Miocic;Suzanne J. T. Hangx

  • Prokaryotic cells of the deep sub-seafloor biosphere identified as living bacteria

    A. Schippers;L. N. Neretin;J. Kallmeyer;T. G. Ferdelman

  • Deep sub-seafloor prokaryotes stimulated at interfaces over geological time

    Ronald John Parkes;Gordon Webster;Barry Andrew Cragg;Andrew John Weightman

  • Geochemistry of Peruvian near-surface sediments

    Philipp Böning;Hans-Jürgen Brumsack;Michael E. Böttcher;Bernhard Schnetger

  • A cold chromium distillation procedure for radiolabeled sulfide applied to sulfate reduction measurements

    Jens Kallmeyer;Timothy G. Ferdelman;Andreas Weber;Henrik Fossing

  • Subseafloor sedimentary life in the South Pacific Gyre

    Steven D’Hondt;Arthur J. Spivack;Robert Pockalny;Timothy G. Ferdelman

  • Anaerobic oxidation of methane and sulfate reduction along the Chilean continental margin

    Tina Treude;Jutta Niggemann;Jens Kallmeyer;Paul Wintersteller

  • Presence of oxygen and aerobic communities from sea floor to basement in deep-sea sediments

    Steven D'hondt;Steven D'hondt;Fumio Inagaki;Fumio Inagaki;Carlos Alvarez Zarikian;Carlos Alvarez Zarikian;Lewis J. Abrams

  • Aerobic Microbial Respiration in 86-Million-Year-Old Deep-Sea Red Clay

    Hans Røy;Jens Kallmeyer;Rishi Ram Adhikari;Robert Pockalny

  • New cell extraction procedure applied to deep subsurface sediments

    Jens Kallmeyer;David C. Smith;Arthur J. Spivack;Steven D'Hondt

  • Effects of temperature and pressure on sulfate reduction and anaerobic oxidation of methane in hydrothermal sediments of Guaymas Basin.

    Jens Kallmeyer;Antje Boetius;Antje Boetius

  • An improved cell separation technique for marine subsurface sediments: applications for high-throughput analysis using flow cytometry and cell sorting

    Yuki Morono;Takeshi Terada;Jens Kallmeyer;Fumio Inagaki

  • Living microbial ecosystems within the active zone of catagenesis: Implications for feeding the deep biosphere

    B. Horsfield;H.J. Schenk;K. Zink;R. Ondrak

  • High virus-to-cell ratios indicate ongoing production of viruses in deep subsurface sediments.

    Tim Engelhardt;Jens Kallmeyer;Heribert Cypionka;Bert Engelen

  • Discovery of the first Quaternary maar in the Bohemian Massif, Central Europe, based on combined geophysical and geological surveys

    J. Mrlina;H. Kämpf;C. Kroner;J. Mingram

  • Temperature limits to deep subseafloor life in the Nankai Trough subduction zone

    Verena B. Heuer;Fumio Inagaki;Yuki Morono;Yusuke Kubo

  • Deep-biosphere methane production stimulated by geofluids in the Nankai accretionary complex

    Akira Ijiri;Fumio Inagaki;Yusuke Kubo;Rishi Ram Adhikari

  • The deep subsurface biosphere in igneous ocean crust: frontier habitats for microbiological exploration.

    Katrina J. Edwards;Andrew T. Fisher;C. Geoffrey Wheat

  • Formation of diagenetic siderite in modern ferruginous sediments

    Aurèle Vuillemin;Richard Wirth;Helga Kemnitz;Anja M. Schleicher

  • Preservation and significance of extracellular DNA in ferruginous sediments from Lake Towuti, Indonesia

    Aurèle Vuillemin;Fabian Horn;Mashal Alawi;Cynthia Henny

  • A procedure for separate recovery of extra- and intracellular DNA from a single marine sediment sample.

    Mashal Alawi;Beate Schneider;Jens Kallmeyer

Frequent Co-Authors

Sean A. Crowe
Sean A. Crowe University of British Columbia
Fumio Inagaki
Fumio Inagaki Japan Agency for Marine-Earth Science and Technology
Yuki Morono
Yuki Morono Japan Agency for Marine-Earth Science and Technology
Kai-Uwe Hinrichs
Kai-Uwe Hinrichs University of Bremen
Tina Treude
Tina Treude University of California, Los Angeles
Timothy G. Ferdelman
Timothy G. Ferdelman Max Planck Society
Hendrik Vogel
Hendrik Vogel University of Bern
Steven D'Hondt
Steven D'Hondt University of Rhode Island
James M. Russell
James M. Russell Brown University
Bo Barker Jørgensen
Bo Barker Jørgensen Aarhus University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in expanding their expertise in Earth Science, exploring related online degrees can open new career doors. Many students balance their studies with other commitments, making programs like the best military friendly online Spanish degrees an excellent option for language and cultural proficiency alongside scientific skills.

Creative professionals might also consider combining scientific knowledge with artistic expression through online MFA visual arts programs. These courses can enhance skills useful in environmental design, scientific visualization, and educational outreach.

For leadership roles within scientific organizations or environmental agencies, an accredited online masters degree in human resource management helps develop essential management and organizational capabilities.

Furthermore, many institutions offer one year degree for seniors programs, providing an accelerated path for older learners eager to pivot or deepen their knowledge in earth sciences or related disciplines.

Best Scientists Citing Jens Kallmeyer

Trending Scientists

Recently Published Articles