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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 37 6849 6343 705 654 71 5253

Barry J. Coles publications per year

The chart shows the history of publications by Barry J. Coles between 1982 and 2026, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Barry J. Coles published across 45 years, from 1982 to 2026, averaging 2.2 papers a year. Output peaked at 8 publications in 2023. 2 of the 97 publications appeared in the last two years.

No. of publications
2 4 6 8
Bar chart. Horizontal axis: year, 1982 to 2026. Vertical axis: number of publications, 0 to 8. Peak 8 publications in 2023. 1982: 1 publication 1983: 1 publication 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 1 publication 1988: 0 publications 1989: 0 publications 1990: 0 publications 1991: 0 publications 1992: 3 publications 1993: 0 publications 1994: 0 publications 1995: 4 publications 1996: 0 publications 1997: 0 publications 1998: 0 publications 1999: 0 publications 2000: 3 publications 2001: 1 publication 2002: 1 publication 2003: 4 publications 2004: 7 publications 2005: 4 publications 2006: 7 publications 2007: 4 publications 2008: 3 publications 2009: 3 publications 2010: 6 publications 2011: 4 publications 2012: 3 publications 2013: 1 publication 2014: 2 publications 2015: 3 publications 2016: 4 publications 2017: 2 publications 2018: 2 publications 2019: 3 publications 2020: 1 publication 2021: 2 publications 2022: 2 publications 2023: 8 publications 2024: 4 publications 2025: 1 publication 2026: 1 publication
1982 2026

97 publications in total across all disciplines

View publications per year as a table
Barry J. Coles: publications per year, 1982 to 2026
Year Publications
1982 1
1983 1
1984 1
1985 0
1986 0
1987 1
1988 0
1989 0
1990 0
1991 0
1992 3
1993 0
1994 0
1995 4
1996 0
1997 0
1998 0
1999 0
2000 3
2001 1
2002 1
2003 4
2004 7
2005 4
2006 7
2007 4
2008 3
2009 3
2010 6
2011 4
2012 3
2013 1
2014 2
2015 3
2016 4
2017 2
2018 2
2019 3
2020 1
2021 2
2022 2
2023 8
2024 4
2025 1
2026 1
Total 97
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Barry J. Coles publications per year - data summary

  • Barry J. Coles, a Earth Science scholar from Imperial College London, has 97 publications recorded across 45 years, from 1982 to 2026.
  • The oldest publication on record dates to 1982 and the most recent to 2026.
  • The most productive year is 2023, with 8 publications.
  • The least productive years with any output are 1982, 1983, 1984, 1987 and others, with 1 publication each.
  • 12 of the 45 years in the span carry no publications at all (1985, 1986, 1988, 1989 and others).
  • The rate of publication averages 2.2 papers per year over the whole span, or 2.9 per year counting only the 33 years with at least one publication.
  • The last 5 years on the chart (2022-2026) hold 16 publications, 16% of the career total.
  • Split into equal eras - 1982-1996: 11 publications (0.7 per year); 1997-2011: 47 publications (3.1 per year); 2012-2026: 39 publications (2.6 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Barry J. Coles 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 Barry J. Coles 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, 68–77 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: 71 publications — 2nd percentile

2% 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 71
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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Barry J. Coles 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.
  • Barry J. Coles, a Earth Science scholar from Imperial College London, records 71 publications - the 2nd percentile of the discipline.
  • 2% of ranked Earth Science scientists score the same or lower than Barry J. Coles, and about 98% score higher.
  • The median of the discipline falls in the 168–177 publications range, and Barry J. Coles ranks below 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).

Barry J. Coles 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 Barry J. Coles 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, 37 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: 37 D-Index — 27th percentile

27% 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 37
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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Barry J. Coles 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.
  • Barry J. Coles, a Earth Science scholar from Imperial College London, records 37 D-Index - the 27th percentile of the discipline.
  • 27% of ranked Earth Science scientists score the same or lower than Barry J. Coles, and about 73% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Barry J. Coles ranks below 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).

Overview

Barry J. Coles is affiliated with Imperial College London in the United Kingdom. Their research focuses primarily on environmental science and earth and planetary sciences, with a notable presence in fields related to pollution, plant science, ecology, geochemistry, and astrophysics.

The scholar has contributed to multiple scientific domains, covering topics such as heavy metals in the environment, isotope analysis in ecology, geochemistry and elemental analysis, astro and planetary science, plant stress responses and tolerance, mercury impact and mitigation studies, and aluminum toxicity and tolerance in plants and animals.

Barry J. Coles has an extensive publication record with recent papers including:

  • "Nucleosynthetic isotope anomalies of zinc in meteorites constrain the origin of Earth's volatiles", 2023, Science
  • "The cadmium and zinc isotope compositions of the silicate Earth - Implications for terrestrial volatile accretion", 2022, Geochimica et Cosmochimica Acta
  • "Zinc Supply Affects Cadmium Uptake and Translocation in the Hyperaccumulator Sedum Plumbizincicola as Evidenced by Isotope Fractionation", 2023, Environmental Science & Technology
  • "Zinc stable isotope analysis reveals Zn dyshomeostasis in benign tumours, breast cancer, and adjacent histologically normal tissue", 2021, Metallomics
  • "Cadmium and zinc isotope compositions indicate metal sources and retention mechanisms in different soil particle size fractions", 2023, Journal of Hazardous Materials

Frequent co-authors include:

  • Mark Rehkämper
  • Katharina Kreissig
  • Rebekah E. T. Moore
  • Tina van de Flierdt
  • Longhua Wu

Barry J. Coles has published repeatedly in key scientific venues such as:

  • Geochimica et Cosmochimica Acta
  • Chemical Geology
  • Scientific Reports
  • Science
  • Journal of Hazardous Materials

Their research is characterized by an interdisciplinary approach integrating isotope geochemistry and environmental studies, with significant attention on the behavior and impact of heavy metals, particularly zinc and cadmium, in various ecological and planetary contexts.

Best Publications

  • Heavy metal distribution in sediment profiles of the Pearl River estuary, South China

    Xiangdong Li;Onyx W.H. Wai;Y.S. Li;Barry J. Coles

  • Sequential extraction of soils for multielement analysis by ICP-AES

    Xiangdong Li;Barry J. Coles;Michael H. Ramsey;Iain Thornton

  • Zn and Cu isotopic variability in the Alexandrinka volcanic-hosted massive sulphide (VHMS) ore deposit, Urals, Russia

    Thomas F.D. Mason;Dominik J. Weiss;Dominik J. Weiss;John B. Chapman;John B. Chapman;Jamie J. Wilkinson;Jamie J. Wilkinson

  • Isotopic discrimination of zinc in higher plants.

    D. J. Weiss;D. J. Weiss;T. F. D. Mason;F. J. Zhao;G. J. D. Kirk

  • Refining the pre-industrial atmospheric Pb isotope evolution curve in Europe using an 8000 year old peat core from NW Spain

    M.E. Kylander;M.E. Kylander;D.J. Weiss;D.J. Weiss;A. Martínez Cortízas;B. Spiro

  • ZINC ISOTOPE VARIATION IN HYDROTHERMAL SYSTEMS: PRELIMINARY EVIDENCE FROM THE IRISH MIDLANDS ORE FIELD

    J. J. Wilkinson;D. J. Weiss;T. F. D. Mason;B. J. Coles

  • Chemical Separation and Isotopic Variations of Cu and Zn From Five Geological Reference Materials

    John B. Chapman;Thomas F.D. Mason;Dominik J. Weiss;Barry J. Coles

  • An objective assessment of analytical method precision: comparison of ICP-AES and XRF for the analysis of silicate rocks

    Michael H. Ramsey;Philip J. Potts;Peter C. Webb;Peter Watkins

  • High-precision Cu and Zn isotope analysis by plasma source mass spectrometry: Part 2. Correcting for mass discrimination effects

    Thomas F. D. Mason;Dominik J. Weiss;Matthew Horstwood;Randall R. Parrish

  • High-precision Cu and Zn isotope analysis by plasma source mass spectrometry part 1. Spectral interferences and their correction

    Thomas F. D. Mason;Dominik J. Weiss;Dominik J. Weiss;Matthew Horstwood;Randall R. Parrish

  • Neodymium isotopic composition and concentration in the western North Atlantic Ocean: Results from the GEOTRACES GA02 section

    Myriam Lambelet;Tina van de Flierdt;Kirsty Crocket;Mark Rehkämper

  • Atmospheric deposition and isotope biogeochemistry of zinc in ombrotrophic peat

    Dominik J. Weiss;Dominik J. Weiss;Nicole Rausch;Thomas F.D. Mason;Barry J. Coles;Barry J. Coles

  • GEOTRACES intercalibration of neodymium isotopes and rare earth element concentrations in seawater and suspended particles. Part 1: reproducibility of results for the international intercomparison

    Tina van de Flierdt;Katharina Pahnke;Katharina Pahnke;Hiroshi Amakawa;Hiroshi Amakawa;Per Andersson

  • Measurement of zinc stable isotope ratios in biogeochemical matrices by double-spike MC-ICPMS and determination of the isotope ratio pool available for plants from soil

    Tim Arnold;Tim Arnold;Maria Schönbächler;Maria Schönbächler;Mark Rehkämper;Schuofei Dong

  • Use of isotope ratios to assess sources of Pb and Zn dispersed in the environment during mining and ore processing within the Orlovka–Spokoinoe mining site (Russia)

    A. Dolgopolova;D.J. Weiss;D.J. Weiss;R. Seltmann;B. Kober

  • Accurate and precise Pb isotope ratio measurements in environmental samples by MC-ICP-MS

    Dominik J. Weiss;Dominik J. Weiss;Bernd Kober;Alla Dolgopolova;Alla Dolgopolova;Kerry Gallagher

  • The use of principle component analyses in characterising trace and major elemental distribution in a 55 kyr peat deposit in tropical Australia: Implications to paleoclimate

    Joanne Muller;Malin Kylander;Malin Kylander;Antonio Martinez-Cortizas;Raphael A.J. Wüst

  • A new methodology for precise cadmium isotope analyses of seawater

    Zichen Xue;Mark Rehkämper;Maria Schönbächler;Maria Schönbächler;Peter J. Statham

  • Analyses of shocked quartz at the global K-P boundary indicate an origin from a single, high-angle, oblique impact at Chicxulub

    Joanna Morgan;Cristiano Lana;Anton Kearsley;Barry Coles

  • The composition of hypersaline, iron-rich granitic fluids based on laser-ICP and Synchrotron-XRF microprobe analysis of individual fluid inclusions in topaz, Mole granite, eastern Australia☆

    A.H. Rankin;M.H. Ramsey;B. Coles;F. Van Langevelde

  • A simple combined sample–standard bracketing and inter-element correction procedure for accurate mass bias correction and precise Zn and Cu isotope ratio measurements

    Kate Peel;Dominik Weiss;Dominik Weiss;John Chapman;Tim Arnold

Frequent Co-Authors

Dominik J. Weiss
Dominik J. Weiss Imperial College London
Mark Rehkämper
Mark Rehkämper Imperial College London
Jamie J. Wilkinson
Jamie J. Wilkinson Imperial College London
Sara S. Russell
Sara S. Russell Natural History Museum
Tina van de Flierdt
Tina van de Flierdt Imperial College London
Michael Thompson
Michael Thompson National Center for Atmospheric Research
Baruch Spiro
Baruch Spiro Natural History Museum
Matthew S.A. Horstwood
Matthew S.A. Horstwood British Geological Survey
Iain Thornton
Iain Thornton Imperial College London

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