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D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 73 790 699 23 23 259 20456

Hein J W de Baar publications per year

The chart shows the history of publications by Hein J W de Baar between 1983 and 2022, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Hein J W de Baar published across 40 years, from 1983 to 2022, averaging 6.8 papers a year. Output peaked at 45 publications in 1997. 5 of the 271 publications appeared in the last two years.

No. of publications
10 20 30 40
Bar chart. Horizontal axis: year, 1983 to 2022. Vertical axis: number of publications, 0 to 45. Peak 45 publications in 1997. 1983: 3 publications 1984: 0 publications 1985: 2 publications 1986: 0 publications 1987: 0 publications 1988: 1 publication 1989: 2 publications 1990: 0 publications 1991: 3 publications 1992: 1 publication 1993: 5 publications 1994: 3 publications 1995: 6 publications 1996: 1 publication 1997: 45 publications 1998: 4 publications 1999: 10 publications 2000: 6 publications 2001: 8 publications 2002: 4 publications 2003: 7 publications 2004: 12 publications 2005: 10 publications 2006: 6 publications 2007: 8 publications 2008: 7 publications 2009: 7 publications 2010: 5 publications 2011: 17 publications 2012: 28 publications 2013: 9 publications 2014: 13 publications 2015: 7 publications 2016: 6 publications 2017: 9 publications 2018: 7 publications 2019: 3 publications 2020: 1 publication 2021: 1 publication 2022: 4 publications
1983 2022

271 publications in total across all disciplines

View publications per year as a table
Hein J W de Baar: publications per year, 1983 to 2022
Year Publications
1983 3
1984 0
1985 2
1986 0
1987 0
1988 1
1989 2
1990 0
1991 3
1992 1
1993 5
1994 3
1995 6
1996 1
1997 45
1998 4
1999 10
2000 6
2001 8
2002 4
2003 7
2004 12
2005 10
2006 6
2007 8
2008 7
2009 7
2010 5
2011 17
2012 28
2013 9
2014 13
2015 7
2016 6
2017 9
2018 7
2019 3
2020 1
2021 1
2022 4
Total 271
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Hein J W de Baar publications per year - data summary

  • Hein J W de Baar, a Earth Science scholar from University of Groningen, has 271 publications recorded across 40 years, from 1983 to 2022.
  • The oldest publication on record dates to 1983 and the most recent to 2022.
  • The most productive year is 1997, with 45 publications.
  • The least productive years with any output are 1988, 1992, 1996, 2020 and others, with 1 publication each.
  • 4 of the 40 years in the span carry no publications at all (1984, 1986, 1987 and 1990).
  • The rate of publication averages 6.8 papers per year over the whole span, or 7.5 per year counting only the 36 years with at least one publication.
  • The last 5 years on the chart (2018-2022) hold 16 publications, 6% of the career total.
  • Split into equal eras - 1983-1996: 27 publications (1.9 per year); 1997-2010: 139 publications (9.9 per year); 2011-2022: 105 publications (8.8 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Hein J W de Baar 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 Hein J W de Baar 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, 258–267 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: 259 publications — 80th percentile

80% 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
208–217 292
218–227 290
228–237 262
238–247 243
248–257 208
258–267 185 259
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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Hein J W de Baar 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.
  • Hein J W de Baar, a Earth Science scholar from University of Groningen, records 259 publications - the 80th percentile of the discipline.
  • 80% of ranked Earth Science scientists score the same or lower than Hein J W de Baar, and about 20% score higher.
  • The median of the discipline falls in the 168–177 publications range, and Hein J W de Baar ranks above the median.
  • 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).

Hein J W de Baar 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 Hein J W de Baar 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, 73 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: 73 D-Index — 92nd percentile

92% 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
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 73
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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Hein J W de Baar 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.
  • Hein J W de Baar, a Earth Science scholar from University of Groningen, records 73 D-Index - the 92nd percentile of the discipline.
  • 92% of ranked Earth Science scientists score the same or lower than Hein J W de Baar, and about 8% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Hein J W de Baar ranks above the median.
  • 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).

Research.com Recognitions

  • 2010 - Royal Netherlands Academy of Arts and Sciences

Overview

Hein J W de Baar is affiliated with the University of Groningen in the Netherlands. Their research primarily focuses on Earth and Planetary Sciences, with particular emphasis on subfields such as Atmospheric Science, Oceanography, Geochemistry and Petrology, Geophysics, and Ecology.

The scientist's work covers topics including Marine and coastal ecosystems, Geology and Paleoclimatology Research, Arctic and Antarctic ice dynamics, Marine Biology and Ecology Research, Geochemistry and Elemental Analysis, Geological and Geochemical Analysis, and Marine animal studies overview.

Recent publications include:

  • The Distribution of Nickel in the West-Atlantic Ocean, Its Relationship With Phosphate and a Comparison to Cadmium and Zinc (2020), published in Frontiers in Marine Science
  • Assessing neodymium isotopes as an ocean circulation tracer in the Southwest Atlantic (2022), published in Earth and Planetary Science Letters
  • Generalised additive models to investigate environmental drivers of Antarctic minke whale (Balaenoptera bonaerensis) spatial density in austral summer (2023), published in The journal of cetacean research and management. Special issue
  • Corrigendum to "Iron from melting glaciers fuels the phytoplankton blooms in Amundsen Sea (Southern Ocean): iron biogeochemistry" (Gerringa et al., 2012) (2020), published in Deep Sea Research Part II Topical Studies in Oceanography
  • Calcium carbonate saturation states along the West Antarctic Peninsula (2021), published in Antarctic Science

Frequent co-authors collaborating with Hein J W de Baar include:

  • Rob Middag
  • Kenneth W. Bruland
  • Steven van Heuven
  • Yingzhe Wu
  • Leopoldo D. Pena

They have contributed to a variety of publication venues, notably:

  • Frontiers in Marine Science
  • Earth and Planetary Science Letters
  • The journal of cetacean research and management. Special issue
  • Deep Sea Research Part II Topical Studies in Oceanography
  • Antarctic Science

In recognition of their contributions, Hein J W de Baar was awarded membership in the Royal Netherlands Academy of Arts and Sciences in 2010.

Best Publications

  • Climatological mean and decadal change in surface ocean pCO2, and net sea–air CO2 flux over the global oceans

    Taro Takahashi;Stewart C. Sutherland;Rik H. Wanninkhof;Colm Sweeney

  • Importance of iron for plankton blooms and carbon dioxide drawdown in the Southern Ocean

    Hein J. W. de Baar;Jeroen T. M. de Jong;Dorothée C. E. Bakker;Bettina M. Löscher

  • Synthesis of iron fertilization experiments: From the iron age in the age of enlightenment

    Hein J.W. de Baar;Philip W. Boyd;Kenneth H. Coale;Michael R. Landry

  • Rare earth elements in the Pacific and Atlantic Oceans

    Hein J.W. De Baar;Michael P. Bacon;Peter G. Brewer;Kenneth W. Bruland

  • Enhanced Open Ocean Storage of CO2 from Shelf Sea Pumping

    Helmuth Thomas;Yann Bozec;Khalid Elkalay;Hein J. W. de Baar

  • Rare earth element distributions in anoxic waters of the Cariaco Trench

    Hein J.W de Baar;Christopher R German;Henry Elderfield;Pauline van Gaans

  • The GEOTRACES Intermediate Data Product 2017

    Reiner Schlitzer;Robert F. Anderson;Elena Masferrer Dodas;Maeve Lohan

  • Corrigendum to "Climatological mean and decadal change in surface ocean pCO2, and net sea-air CO2 flux over the global oceans" Deep Sea Res. II 56 (2009) 554-577 (DOI:10.1016/j.dsr2.2008.12.009)

    T Takahashi;SC Sutherland;R Wanninkhof;C Sweeney

  • Rare-earth distributions with a positive Ce anomaly in the Western North Atlantic Ocean

    H. J. W. De Baar;M. P. Bacon;P. G. Brewer

  • Corrigendum to "Climatological mean and decadal change in surface ocean pCO2, and net sea-air CO2 flux over the global oceans" [Deep Sea Res. II 56 (2009) 554-577]

    Taro Takahashi;Stewart C. Sutherland;Rik H. Wanninkhof;Colm Sweeney

  • Substantial advective iron loss diminishes phytoplankton production in the Antarctic Zone

    Mario Hoppema;Mario Hoppema;Hein J. W. de Baar;Eberhard Fahrbach;Hartmut H. Hellmer

  • Organic complexation of iron in the Southern Ocean

    Marie Boye;Constant M.G. van den Berg;Jeroen T.M. de Jong;Harry Leach

  • Iron from melting glaciers fuels the phytoplankton blooms in Amundsen Sea (Southern Ocean): Iron biogeochemistry

    Loes J. A. Gerringa;Anne-Carlijn Alderkamp;Patrick Laan;Charles-Edouard Thuroczy

  • Cadmium versus phosphate in the world ocean

    Hein J.W. de Baar;Paul M. Saager;Rob F. Nolting;Jaap van der Meer

  • Growth rates, half‐saturation constants, and silicate, nitrate, and phosphate depletion in relation to iron availability of four large, open‐ocean diatoms from the Southern Ocean

    Klaas R. Timmermans;Bas van der Wagt;Hein J. W. de Baar

  • GEOTRACES – An international study of the global marine biogeochemical cycles of trace elements and their isotopes

    G.M. Henderson;R.F. Anderson;J. Adkins;P. Andersson

  • Anomalies in rare earth distributions in seawater: Gd and Tb☆

    Hein J.W. De Baar;Peter G. Brewer;Michael P. Bacon

  • Atmospheric iron deposition and sea-surface dissolved iron concentrations in the eastern Atlantic Ocean

    Géraldine Sarthou;Alex R. Baker;Stéphane Blain;Eric P. Achterberg

  • Ocean iron fertilization-Moving forward in a sea of uncertainty

    Ken O. Buesseler;Scott C. Doney;David M. Karl;Philip W. Boyd

  • The Carbon budget of the North Sea

    H. Thomas;Y. Bozec;H. J. W. de Baar;K. Elkalay

  • Metal enrichment experiments in the Weddell-Scotia Seas: Effects of iron and manganese on various plankton communities

    Anita G. J. Buma;Hein J. W. de Baar;Rob F. Nolting;Aleido J. van Bennekom

Frequent Co-Authors

Michiel M Rutgers van der Loeff
Michiel M Rutgers van der Loeff Alfred Wegener Institute for Polar and Marine Research
Ulrich Bathmann
Ulrich Bathmann Alfred Wegener Institute for Polar and Marine Research
Loes J. A. Gerringa
Loes J. A. Gerringa Utrecht University
Klaas R. Timmermans
Klaas R. Timmermans Royal Netherlands Institute for Sea Research
Peter Croot
Peter Croot University of Galway
Eberhard Fahrbach
Eberhard Fahrbach Alfred Wegener Institute for Polar and Marine Research
Kevin R. Arrigo
Kevin R. Arrigo Stanford University
Anita G. J. Buma
Anita G. J. Buma University of Groningen
Mario Hoppema
Mario Hoppema Alfred Wegener Institute for Polar and Marine Research
Matthew M. Mills
Matthew M. Mills Stanford University

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