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 39 6178 5722 651 607 167 5498

Jan Kaiser publications per year

The chart shows the history of publications by Jan Kaiser between 1980 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jan Kaiser published across 46 years, from 1980 to 2025, averaging 7 papers a year. Output peaked at 26 publications in 2021. 13 of the 322 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1980 to 2025. Vertical axis: number of publications, 0 to 26. Peak 26 publications in 2021. 1980: 1 publication 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 2 publications 1987: 1 publication 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 0 publications 1993: 1 publication 1994: 0 publications 1995: 0 publications 1996: 0 publications 1997: 1 publication 1998: 2 publications 1999: 1 publication 2000: 0 publications 2001: 4 publications 2002: 9 publications 2003: 10 publications 2004: 8 publications 2005: 6 publications 2006: 5 publications 2007: 6 publications 2008: 3 publications 2009: 15 publications 2010: 14 publications 2011: 22 publications 2012: 18 publications 2013: 18 publications 2014: 17 publications 2015: 20 publications 2016: 19 publications 2017: 16 publications 2018: 9 publications 2019: 8 publications 2020: 16 publications 2021: 26 publications 2022: 17 publications 2023: 13 publications 2024: 5 publications 2025: 8 publications
1980 2025

322 publications in total across all disciplines

View publications per year as a table
Jan Kaiser: publications per year, 1980 to 2025
Year Publications
1980 1
1981 0
1982 0
1983 0
1984 1
1985 0
1986 2
1987 1
1988 0
1989 0
1990 0
1991 0
1992 0
1993 1
1994 0
1995 0
1996 0
1997 1
1998 2
1999 1
2000 0
2001 4
2002 9
2003 10
2004 8
2005 6
2006 5
2007 6
2008 3
2009 15
2010 14
2011 22
2012 18
2013 18
2014 17
2015 20
2016 19
2017 16
2018 9
2019 8
2020 16
2021 26
2022 17
2023 13
2024 5
2025 8
Total 322
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Jan Kaiser 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 Kaiser 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, 158–167 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: 167 publications — 48th percentile

48% 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
158–167 458 167
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
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Jan Kaiser 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 Kaiser 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, 39 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: 39 D-Index — 35th percentile

35% 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
37 366
38 344
39 349 39
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
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Overview

Jan Kaiser is affiliated with the University of East Anglia in the United Kingdom. Their research primarily spans the fields of Earth and Planetary Sciences and Environmental Science, with a strong focus on Oceanography and related subfields such as Atmospheric Science, Ecology, Environmental Chemistry, and Global and Planetary Change.

The main topics covered in their work include:

  • Marine and coastal ecosystems
  • Marine Biology and Ecology Research
  • Oceanographic and Atmospheric Processes
  • Isotope Analysis in Ecology
  • Atmospheric chemistry and aerosols
  • Arctic and Antarctic ice dynamics
  • Methane Hydrates and Related Phenomena

Jan Kaiser's publication record includes contributions to a range of journals, with frequent publications in the following venues:

  • Frontiers in Marine Science
  • Journal of Geophysical Research Oceans
  • Biogeochemistry
  • Infectious Diseases Now
  • Rapid Communications in Mass Spectrometry

Some of their recent papers include:

  • Seasonal variability of sediment controls of nitrogen cycling in an agricultural stream (2020) published in Biogeochemistry
  • Predictors of mortality, ICU hospitalization, and extrapulmonary complications in COVID-19 patients (2021) published in Infectious Diseases Now
  • Towards a Multi-Platform Assimilative System for North Sea Biogeochemistry (2021) published in Journal of Geophysical Research Oceans
  • Investigating the Uptake and Fate of Poly- and Perfluoroalkylated Substances (PFAS) in Sea Ice Using an Experimental Sea Ice Chamber (2021) published in Environmental Science & Technology
  • Pollution in the Arctic Ocean: An overview of multiple pressures and implications for ecosystem services (2021) published in AMBIO

Jan Kaiser has collaborated frequently with several co-authors, including:

  • Tom Hull
  • Matthew R. Palmer
  • Charlotte Williams
  • Max Thomas
  • Dorothée C. E. Bakker

Best Publications

  • Atmospheric composition change – global and regional air quality

    P.S. Monks;Claire Granier;Claire Granier;Claire Granier;S. Fuzzi;A. Stohl

  • Triple Oxygen Isotope Analysis of Nitrate Using the Denitrifier Method and Thermal Decomposition of N2O

    Jan Kaiser;Meredith G. Hastings;Benjamin Z. Houlton;Thomas Röckmann

  • Nitrogen and oxygen isotopic constraints on the origin of atmospheric nitrate in coastal Antarctica

    J. Savarino;J. Kaiser;J. Kaiser;S. Morin;D. M. Sigman

  • Isotope effects in the chemistry of atmospheric trace compounds.

    Carl A. M. Brenninkmeijer;Christof Janssen;Jan Kaiser;Thomas Röckmann

  • OceanGliders: A component of the integrated GOOS

    Pierre Testor;Brad DeYoung;Daniel L. Rudnick;Scott Glenn

  • Estimates of net community production and export using high-resolution, Lagrangian measurements of O2, NO3−, and POC through the evolution of a spring diatom bloom in the North Atlantic

    Matthew B. Alkire;Eric D’Asaro;Craig Lee;Mary Jane Perry

  • Marine productivity estimates from continuous O2/Ar ratio measurements by membrane inlet mass spectrometry

    Jan Kaiser;Matthew K. Reuer;Bruce Barnett;Michael L. Bender

  • The isotopic fingerprint of the pre-industrial and the anthropogenic N2O source

    Thomas Röckmann;Jan Kaiser;Carl A. M. Brenninkmeijer

  • Gas chromatography/isotope-ratio mass spectrometry method for high-precision position-dependent 15N and 18O measurements of atmospheric nitrous oxide.

    Thomas Röckmann;Jan Kaiser;Carl A. M. Brenninkmeijer;Willi A. Brand

  • Complete and accurate mass spectrometric isotope analysis of tropospheric nitrous oxide

    Jan Kaiser;Jan Kaiser;Thomas Röckmann;Carl A. M. Brenninkmeijer

  • Isotopic enrichment of nitrous oxide (15N14NO, 14N15NO, 14N14N18O) in the stratosphere and in the laboratory

    Thomas Röckmann;Jan Kaiser;Carl A. M. Brenninkmeijer;John N. Crowley

  • The origin of the anomalous or “mass‐independent” oxygen isotope fractionation in tropospheric N2O

    Thomas Röckmann;Jan Kaiser;John N. Crowley;Carl A. M. Brenninkmeijer

  • Subsurface tropical Pacific nitrogen isotopic composition of nitrate: Biogeochemical signals and their transport

    Patrick A. Rafter;Patrick A. Rafter;Daniel M. Sigman;Christopher D. Charles;Jan Kaiser

  • Submesoscale Instabilities in Mesoscale Eddies

    Liam Brannigan;David P. Marshall;Alberto C. Naveira Garabato;A. J. George Nurser

  • Between the Devil and the Deep Blue Sea: The Role of the Amundsen Sea Continental Shelf in Exchanges Between Ocean and Ice Shelves

    Karen Heywood;Louise Biddle;Lars Boehme;Pierre Dutrieux;Pierre Dutrieux

  • Ocean processes at the Antarctic continental slope

    Karen J. Heywood;Sunke Schmidtko;Céline Heuzé;Jan Kaiser

  • Contribution of mass-dependent fractionation to the oxygen isotope anomaly of atmospheric nitrous oxide

    Jan Kaiser;Thomas Röckmann;Carl A. M. Brenninkmeijer

  • Probing stratospheric transport and chemistry with new balloon and aircraft observations of the meridional and vertical N 2 O isotope distribution

    Jan Kaiser;Jan Kaiser;Andreas Engel;Reinhard Borchers;Thomas Röckmann;Thomas Röckmann

  • Reformulated 17O correction of mass spectrometric stable isotope measurements in carbon dioxide and a critical appraisal of historic ‘absolute’ carbon and oxygen isotope ratios

    Jan Kaiser

  • A Harmonized Nitrous Oxide (N2O) Ocean Observation Network for the 21st Century

    Hermann W. Bange;Damian L. Arévalo-Martínez;Mercedes De La Paz;Laura Farías

  • Constraints on N 2 O budget changes since pre-industrial time from new firn air and ice core isotope measurements

    S. Bernard;T. Röckmann;T. Röckmann;J. Kaiser;J. Kaiser;J. M. Barnola

  • Wavelength dependence of isotope fractionation in N 2 O photolysis

    Jan Kaiser;Thomas Röckmann;Carl A. M. Brenninkmeijer;Paul J. Crutzen

  • Technical note: Consistent calculation of aquatic gross production from oxygen triple isotope measurements

    J. Kaiser

Frequent Co-Authors

Thomas Röckmann
Thomas Röckmann Utrecht University
Karen J. Heywood
Karen J. Heywood University of East Anglia
Joel Savarino
Joel Savarino Grenoble Alpes University
Michael E. Böttcher
Michael E. Böttcher Leibniz Institute for Baltic Sea Research
Anton Eisenhauer
Anton Eisenhauer GEOMAR Helmholtz Centre for Ocean Research Kiel
Carl A. M. Brenninkmeijer
Carl A. M. Brenninkmeijer Max Planck Institute for Chemistry
Gavin Simpson
Gavin Simpson University of Regina
Andrew F. Thompson
Andrew F. Thompson California Institute of Technology
William T. Sturges
William T. Sturges University of East Anglia
Adrian Jenkins
Adrian Jenkins Durham University

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