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Rob M. Ellam

Rob M. Ellam

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 60 1930 1743 123 118 223 11537

Rob M. Ellam publications per year

The chart shows the history of publications by Rob M. Ellam between 1988 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Rob M. Ellam published across 38 years, from 1988 to 2025, averaging 6.1 papers a year. Output peaked at 22 publications in 2009. 4 of the 231 publications appeared in the last two years.

No. of publications
5 10 15 20
Bar chart. Horizontal axis: year, 1988 to 2025. Vertical axis: number of publications, 0 to 22. Peak 22 publications in 2009. 1988: 8 publications 1989: 3 publications 1990: 3 publications 1991: 5 publications 1992: 2 publications 1993: 0 publications 1994: 3 publications 1995: 0 publications 1996: 0 publications 1997: 2 publications 1998: 6 publications 1999: 6 publications 2000: 6 publications 2001: 4 publications 2002: 5 publications 2003: 10 publications 2004: 7 publications 2005: 7 publications 2006: 12 publications 2007: 13 publications 2008: 12 publications 2009: 22 publications 2010: 11 publications 2011: 6 publications 2012: 9 publications 2013: 8 publications 2014: 9 publications 2015: 4 publications 2016: 7 publications 2017: 4 publications 2018: 5 publications 2019: 11 publications 2020: 10 publications 2021: 4 publications 2022: 2 publications 2023: 1 publication 2024: 1 publication 2025: 3 publications
1988 2025

231 publications in total across all disciplines

View publications per year as a table
Rob M. Ellam: publications per year, 1988 to 2025
Year Publications
1988 8
1989 3
1990 3
1991 5
1992 2
1993 0
1994 3
1995 0
1996 0
1997 2
1998 6
1999 6
2000 6
2001 4
2002 5
2003 10
2004 7
2005 7
2006 12
2007 13
2008 12
2009 22
2010 11
2011 6
2012 9
2013 8
2014 9
2015 4
2016 7
2017 4
2018 5
2019 11
2020 10
2021 4
2022 2
2023 1
2024 1
2025 3
Total 231
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Rob M. Ellam publications per year - data summary

  • Rob M. Ellam, a Earth Science scholar from Tianjin University, has 231 publications recorded across 38 years, from 1988 to 2025.
  • The oldest publication on record dates to 1988 and the most recent to 2025.
  • The most productive year is 2009, with 22 publications.
  • The least productive years with any output are 2023 and 2024, with 1 publication each.
  • 3 of the 38 years in the span carry no publications at all (1993, 1995 and 1996).
  • The rate of publication averages 6.1 papers per year over the whole span, or 6.6 per year counting only the 35 years with at least one publication.
  • The last 5 years on the chart (2021-2025) hold 11 publications, 5% of the career total.
  • Split into equal eras - 1988-2000: 44 publications (3.4 per year); 2001-2013: 126 publications (9.7 per year); 2014-2025: 61 publications (5.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is rising.

Rob M. Ellam 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 Rob M. Ellam 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, 218–227 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: 223 publications — 71st percentile

71% 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
218–227 290 223
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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Rob M. Ellam 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.
  • Rob M. Ellam, a Earth Science scholar from Tianjin University, records 223 publications - the 71st percentile of the discipline.
  • 71% of ranked Earth Science scientists score the same or lower than Rob M. Ellam, and about 29% score higher.
  • The median of the discipline falls in the 168–177 publications range, and Rob M. Ellam 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).

Rob M. Ellam 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 Rob M. Ellam 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, 60 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: 60 D-Index — 80th percentile

80% 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 60
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

Rob M. Ellam 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.
  • Rob M. Ellam, a Earth Science scholar from Tianjin University, records 60 D-Index - the 80th percentile of the discipline.
  • 80% of ranked Earth Science scientists score the same or lower than Rob M. Ellam, and about 20% score higher.
  • The median of the discipline falls in the 44 D-Index range, and Rob M. Ellam 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).

Overview

Rob M. Ellam is affiliated with Tianjin University in China. Their research contributions span Earth and Planetary Sciences and Environmental Science, with extensive focus on related subfields such as Geophysics, Pollution, Artificial Intelligence, Water Science and Technology, and Environmental Chemistry.

The scientific work of Rob M. Ellam includes significant engagement in key research topics: Geological and Geochemical Analysis, Geochemistry and Geologic Mapping, Heavy metals in environment, Adsorption and biosorption for pollutant removal, Arsenic contamination and mitigation, Geochemistry and Elemental Analysis, and High-pressure geophysics and materials.

Rob M. Ellam's publication record features papers across multiple specialized venues. Notable journal appearances include:

  • Chemical Engineering Journal
  • The Science of The Total Environment
  • Bioresource Technology
  • Precambrian Research
  • Global Change Biology

Among the recent research papers are:

  • Silicon (Si) modification of biochars from different Si-bearing precursors improves cadmium remediation, 2022, Chemical Engineering Journal
  • New insight into the mechanisms of preferential encapsulation of metal(loid)s by wheat phytoliths under silicon nanoparticle amendment, 2023, The Science of The Total Environment
  • Iron and silicon modified biochar for enhancing cadmium removal from water: Unveiling the crucial role of iron-induced silicon dissolution, 2024, Bioresource Technology
  • The role of crustal contamination in magma evolution of Neoproterozoic metaigneous rocks from Southwest Svalbard, 2022, Precambrian Research
  • Petrogenesis of the Loch Bà ring-dyke and Centre 3 granites, Isle of Mull, Scotland, 2021, Contributions to Mineralogy and Petrology

The scientist collaborates frequently with several researchers, including Linan Liu, Jingchun Tang, Zhaoliang Song, Xinzuo Yang, and Qiang Li, indicating a cooperative approach within interdisciplinary teams.

Best Publications

  • Variability in the El Niño-Southern Oscillation Through a Glacial-Interglacial Cycle

    Alexander W. Tudhope;Alexander W. Tudhope;Colin P. Chilcott;Malcolm T. McCulloch;Edward R. Cook

  • Continental mantle lithosphere, and shallow level enrichment processes in the Earth's mantle

    C.J. Hawkesworth;P.D. Kempton;N.W. Rogers;R.M. Ellam

  • Lithospheric thickness as a control on basalt geochemistry

    R.M. Ellam

  • Elemental and isotopic variations in subduction related basalts: evidence for a three component model

    R. M. Ellam;C. J. Hawkesworth

  • Element Fluxes Associated with Subduction Related Magmatism

    Christopher John Hawkesworth;J. M. Hergt;R. M. Ellam;F. McDermott

  • High 3He/4He ratios in picritic basalts from Baffin Island and the role of a mixed reservoir in mantle plumes.

    Finlay M Stuart;Solveigh Lass-Evans;J Godfrey Fitton;Robert M Ellam

  • Rift relocation — A geochemical and geochronological investigation of a palaeo-rift in northwest Iceland

    B.S. Hardarson;B.S. Hardarson;J.G. Fitton;R.M. Ellam;M.S. Pringle

  • SAHARAN WIND REGIMES TRACED BY THE Sr–Nd ISOTOPIC COMPOSITION OF SUBTROPICAL ATLANTIC SEDIMENTS: LAST GLACIAL MAXIMUM vs TODAY

    F.E. Grousset;M. Parra;A. Bory;P. Martinez

  • Evolution of the Late Miocene Mediterranean–Atlantic gateways and their impact on regional and global environmental change

    Rachel Flecker;Wout Krijgsman;Walter Capella;Cesar de Castro Martíns

  • An interpretation of Karoo picrite basalts in terms of interaction between asthenospheric magmas and the mantle lithosphere

    Unknown

  • The volcanism of southern Italy: Role of subduction and the relationship between potassic and sodic alkaline magmatism

    R. M. Ellam;C. J. Hawkesworth;M. A. Menzies;N. W. Rogers

  • Evidence from Re–Os isotopes for plume–lithosphere mixing in Karoo flood basalt genesis

    R. M. Ellam;R. W. Carlson;S. B. Shirey

  • Evolving east Asian river systems reconstructed by trace element and Pb and Nd isotope variations in modern and ancient Red River‐Song Hong sediments

    Peter D. Clift;Peter D. Clift;Hoang Van Long;Hoang Van Long;Richard Hinton;Robert M. Ellam

  • Abiotic pyrite formation produces a large Fe isotope fractionation

    Romain Guilbaud;Ian B. Butler;Rob M. Ellam

  • Is average continental crust generated at subduction zones

    Robert M. Ellam;Christopher J. Hawkesworth

  • The transition from calc-alkaline to potassic orogenic magmatism in the Aeolian Islands, Southern Italy

    R. M. Ellam;M. A. Menzies;C. J. Hawkesworth;W. P. Leeman

  • Helium isotopes in early Iceland plume picrites: constraints on the composition of high 3 He/ 4 He mantle

    Natalie A. Starkey;Finlay M. Stuart;Robert M. Ellam;J. Godfrey Fitton

  • A Proterozoic lithospheric source for Karoo magmatism: evidence from the Nuanetsi picrites

    Unknown

  • Modelling the effect of evaporation on the salinity- 87 Sr/ 86 Sr relationship in modern and ancient marginal-marine systems: the Mediterranean Messinian Salinity Crisis

    Rachel Flecker;S de Villiers;RM Ellam

  • Pulses of carbon dioxide emissions from intracrustal faults following climatic warming

    Niko Kampman;Neil M. Burnside;Zoe K. Shipton;Hazel J. Chapman

  • High-precision 41K/39K measurements by MC-ICP-MS indicate terrestrial variability of δ41K

    Leah E. Morgan;Danielle P. Santiago Ramos;Brett Davidheiser-Kroll;John Faithfull

  • Helium–strontium isotope constraints on mantle evolution beneath the Roman Comagmatic Province, Italy

    M. Martelli;M. Martelli;P.M. Nuccio;P.M. Nuccio;F.M. Stuart;R. Burgess

  • Oxygen isotope constraints on the crustal contribution to the subduction-related magmatism of the Aeolian Islands, southern Italy

    R.M. Ellam;R.S. Harmon

Frequent Co-Authors

Finlay M. Stuart
Finlay M. Stuart University of Glasgow
Valentin R. Troll
Valentin R. Troll Uppsala University
Rudy Swennen
Rudy Swennen KU Leuven
Rachel Flecker
Rachel Flecker University of Bristol
Anthony E. Fallick
Anthony E. Fallick University of Glasgow
Angus B. MacKenzie
Angus B. MacKenzie Scottish Universities Environmental Research Centre
Chris J. Hawkesworth
Chris J. Hawkesworth University of Bristol
John G. Farmer
John G. Farmer University of Edinburgh
Lotte Melchior Larsen
Lotte Melchior Larsen Geological Survey of Denmark and Greenland
Brian G. J. Upton
Brian G. J. Upton University of Edinburgh

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