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Jörg Bollmann

Jörg Bollmann

Jörg Bollmann publications per year

The chart shows the history of publications by Jörg Bollmann between 1997 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Jörg Bollmann published across 29 years, from 1997 to 2025, averaging 3.7 papers a year. Output peaked at 40 publications in 2004. 8 of the 106 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1997 to 2025. Vertical axis: number of publications, 0 to 40. Peak 40 publications in 2004. 1997: 1 publication 1998: 1 publication 1999: 4 publications 2000: 0 publications 2001: 1 publication 2002: 5 publications 2003: 3 publications 2004: 40 publications 2005: 6 publications 2006: 1 publication 2007: 4 publications 2008: 2 publications 2009: 3 publications 2010: 2 publications 2011: 1 publication 2012: 1 publication 2013: 5 publications 2014: 1 publication 2015: 6 publications 2016: 0 publications 2017: 2 publications 2018: 2 publications 2019: 2 publications 2020: 3 publications 2021: 1 publication 2022: 1 publication 2023: 0 publications 2024: 7 publications 2025: 1 publication
1997 2025

106 publications in total across all disciplines

View publications per year as a table
Jörg Bollmann: publications per year, 1997 to 2025
Year Publications
1997 1
1998 1
1999 4
2000 0
2001 1
2002 5
2003 3
2004 40
2005 6
2006 1
2007 4
2008 2
2009 3
2010 2
2011 1
2012 1
2013 5
2014 1
2015 6
2016 0
2017 2
2018 2
2019 2
2020 3
2021 1
2022 1
2023 0
2024 7
2025 1
Total 106
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Jörg Bollmann publications per year - data summary

  • Jörg Bollmann, a Earth Science scholar from University of Toronto, has 106 publications recorded across 29 years, from 1997 to 2025.
  • The oldest publication on record dates to 1997 and the most recent to 2025.
  • The most productive year is 2004, with 40 publications.
  • The least productive years with any output are 1997, 1998, 2001, 2006 and others, with 1 publication each.
  • 3 of the 29 years in the span carry no publications at all (2000, 2016 and 2023).
  • The rate of publication averages 3.7 papers per year over the whole span, or 4.1 per year counting only the 26 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 10 publications, 9% of the career total.
  • Split into equal eras - 1997-2006: 62 publications (6.2 per year); 2007-2016: 25 publications (2.5 per year); 2017-2025: 19 publications (2.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is declining.

Jörg Bollmann 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 Jörg Bollmann 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. 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+

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
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
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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Jörg Bollmann publication distribution in Earth Science in 2026 - data summary

  • The chart plots the publication count of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 58 ranges running from 38–47 to 603+ publications.
  • The median of the discipline falls in the 168–177 publications range.
  • The most crowded range is 128–137 publications, holding 557 scientists (6% of the field).
  • 58% of the field sits in the lowest quarter of the value range (up to 178–187 publications), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 603 publications or more, 100 scientists in all (1% of the field).

Jörg Bollmann 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 Jörg Bollmann 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. 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+

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
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
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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Jörg Bollmann D-index placement in Earth Science in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 9,176 Earth Science scientists ranked by Research.com in 2026, grouped into 77 ranges running from 30 to 106+ D-Index.
  • The median of the discipline falls in the 44 D-Index range.
  • The most crowded range is 36 D-Index, holding 389 scientists (4% of the field).
  • 62% of the field sits in the lowest quarter of the value range (up to 49 D-Index), so the distribution is heavily right-skewed and high scores are rare.
  • The final bar has no upper bound: it groups every scientist with 106 D-Index or more, 98 scientists in all (1% of the field).

Overview

Jörg Bollmann is affiliated with the University of Toronto in Canada and conducts research primarily in the fields of Earth and Planetary Sciences and Environmental Science. Their work spans subfields including Oceanography, Atmospheric Science, Ecology, Earth-Surface Processes, and Paleontology.

The main topics of research addressed by Bollmann include marine and coastal ecosystems, geology and paleoclimatology research, marine biology and ecology research, paleontology and stratigraphy of fossils, water quality monitoring technologies, ocean acidification effects and responses, and marine bivalve and aquaculture studies.

Their recent publications reflect a focus on coccolithophores and related marine calcifying phytoplankton, along with investigations into environmental stress responses and paleoclimatic events. Selected recent papers include:

  • "Coccolith mass and morphology of different Emiliania huxleyi morphotypes: A critical examination using Canary Islands material," 2020, PLoS ONE
  • "Segmentation, retardation and mass approximation of birefringent particles on a standard light microscope," 2020, Journal of Microscopy
  • "Strain-specific morphological response of the dominant calcifying phytoplankton species Emiliania huxleyi to salinity change," 2021, PLoS ONE
  • "Short-term response of Emiliania huxleyi growth and morphology to abrupt salinity stress," 2024, Biogeosciences
  • "The Toba Eruption 74,000 Years ago Strengthened the Indian Winter Monsoon-Evidence From Coccolithophores," 2024, Paleoceanography and Paleoclimatology

Bollmann has frequently published in the journal PLoS ONE, with additional contributions to Paleoceanography and Paleoclimatology, Journal of Microscopy, Biogeosciences, and Research Square.

Frequent collaborators in Bollmann's research include Jose Dominick Guballa, Katherine G. Schmidt, Andreas Lückge, Simen Alexander Linge Johnsen, and Christina Gebühr.

Best Publications

  • North Pacific seasonality and the glaciation of North America 2.7 million years ago

    Gerald H. Haug;Andrey Ganopolski;Daniel Mikhail Sigman;Antoni Rosell-Mele

  • Morphology and biogeography of Gephyrocapsa coccoliths in Holocene sediments

    Jörg Bollmann

  • Size distribution of Holocene planktic foraminifer assemblages: biogeography, ecology and adaptation

    Daniela N Schmidt;Sabrina Renaud;Jörg Bollmann;Ralf Schiebel

  • Distribution of diatoms, coccolithophores and planktic foraminifers along a trophic gradient during SW monsoon in the Arabian Sea

    Ralf Schiebel;Alexandra Zeltner;Ute F. Treppke;Joanna J. Waniek

  • Coccolithophore ecology at the HOT station ALOHA, Hawaii

    Mara Y Cortés;Jörg Bollmann;Hans R Thierstein

  • Biogeography of selected Holocene coccoliths in the Atlantic Ocean

    Patrizia Ziveri;Karl-Heinz Baumann;Babette Böckel;Jörg Bollmann

  • Global dominance of Gephyrocapsa coccoliths in the Late Pleistocene: Selective dissolution, evolution, or global environmental change?

    Jörg Bollmann;Karl-Heinz Baumann;Hans R. Thierstein

  • Abiotic forcing of plankton evolution in the Cenozoic.

    Daniela N. Schmidt;Hans R. Thierstein;Jörg Bollmann;Ralf Schiebel

  • Techniques for quantitative analyses of calcareous marine phytoplankton

    Jörg Bollmann;Mara Y. Cortés;Ali T. Haidar;Bernhard Brabec

  • Morphological variation of Emiliania huxleyi and sea surface salinity

    Jörg Bollmann;Jörg Bollmann;Jens O. Herrle;Jens O. Herrle

  • Species level variation in coccolithophores

    Markus Geisen;Jeremy R. Young;Ian Probert;Alberto G. Sáez

  • Planktic foraminiferal dissolution in the twilight zone

    Ralf Schiebel;Stephen Barker;Ralf Lendt;Helmuth Thomas

  • Automated particle analysis: calcareous microfossils

    Jörg Bollmann;Patrick S. Quinn;Miguel Vela;Bernhard Brabec

  • The evolutionary history of size variation of planktic foraminiferal assemblages in the Cenozoic

    Daniela N Schmidt;Hans R Thierstein;Jörg Bollmann

  • Determination of absolute coccolith abundances in deep-sea sediments by spiking with microbeads and spraying (SMS-method)

    Jörg Bollmann;Bernhard Brabec;Mara Y Cortés;Markus Geisen

  • Response of planktic foraminiferal size to late Quaternary climate change

    Daniela N. Schmidt;Daniela N. Schmidt;Sabrina Renaud;Sabrina Renaud;Jörg Bollmann

  • Disintegration of aggregates and coccospheres in sediment trap samples

    Ahmed N. Bairbakhish;Jörg Bollmann;Claudia Sprengel;Hans R. Thierstein

  • Holocene hydro-climatic change and effects on carbon accumulation inferred from a peat bog in the Attawapiskat River watershed, Hudson Bay Lowlands, Canada

    Joan Bunbury;Sarah A. Finkelstein;Jörg Bollmann

  • The effect of sea water salinity on the morphology of Emiliania huxleyi in plankton and sediment samples

    Jörg Bollmann;Jens O. Herrle;M.Y. Cortés;Samuel R. Fielding

  • Glacial–interglacial variability of particle accumulation in the Canary Basin: a time-slice approach

    Jorijntje Henderiks;Tim Freudenthal;Helge Meggers;Silvia Nave

Frequent Co-Authors

Ralf Schiebel
Ralf Schiebel Max Planck Institute for Chemistry
Joanna J Waniek
Joanna J Waniek Leibniz Institute for Baltic Sea Research
Christoph Hemleben
Christoph Hemleben University of Tübingen
Daniela N Schmidt
Daniela N Schmidt University of Bristol
Jens O. Herrle
Jens O. Herrle Goethe University Frankfurt
Jorijntje Henderiks
Jorijntje Henderiks Uppsala University
Karl-Heinz Baumann
Karl-Heinz Baumann University of Bremen
Andrey Ganopolski
Andrey Ganopolski Potsdam Institute for Climate Impact Research
Jochen Halfar
Jochen Halfar University of Toronto

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