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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 99 140 119 13 13 233 49110

Roger Powell publications per year

The chart shows the history of publications by Roger Powell between 1973 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Roger Powell published across 53 years, from 1973 to 2025, averaging 4.9 papers a year. Output peaked at 16 publications in 2006. 3 of the 259 publications appeared in the last two years.

No. of publications
5 10 15
Bar chart. Horizontal axis: year, 1973 to 2025. Vertical axis: number of publications, 0 to 16. Peak 16 publications in 2006. 1973: 2 publications 1974: 2 publications 1975: 1 publication 1976: 2 publications 1977: 6 publications 1978: 1 publication 1979: 0 publications 1980: 0 publications 1981: 1 publication 1982: 0 publications 1983: 7 publications 1984: 3 publications 1985: 4 publications 1986: 2 publications 1987: 5 publications 1988: 4 publications 1989: 5 publications 1990: 8 publications 1991: 7 publications 1992: 4 publications 1993: 5 publications 1994: 10 publications 1995: 3 publications 1996: 3 publications 1997: 6 publications 1998: 5 publications 1999: 2 publications 2000: 1 publication 2001: 3 publications 2002: 5 publications 2003: 10 publications 2004: 7 publications 2005: 13 publications 2006: 16 publications 2007: 12 publications 2008: 11 publications 2009: 4 publications 2010: 10 publications 2011: 4 publications 2012: 6 publications 2013: 2 publications 2014: 13 publications 2015: 9 publications 2016: 5 publications 2017: 1 publication 2018: 3 publications 2019: 3 publications 2020: 3 publications 2021: 3 publications 2022: 8 publications 2023: 6 publications 2024: 2 publications 2025: 1 publication
1973 2025

259 publications in total across all disciplines

View publications per year as a table
Roger Powell: publications per year, 1973 to 2025
Year Publications
1973 2
1974 2
1975 1
1976 2
1977 6
1978 1
1979 0
1980 0
1981 1
1982 0
1983 7
1984 3
1985 4
1986 2
1987 5
1988 4
1989 5
1990 8
1991 7
1992 4
1993 5
1994 10
1995 3
1996 3
1997 6
1998 5
1999 2
2000 1
2001 3
2002 5
2003 10
2004 7
2005 13
2006 16
2007 12
2008 11
2009 4
2010 10
2011 4
2012 6
2013 2
2014 13
2015 9
2016 5
2017 1
2018 3
2019 3
2020 3
2021 3
2022 8
2023 6
2024 2
2025 1
Total 259
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Roger Powell 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 Roger Powell 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, 228–237 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: 233 publications — 74th percentile

74% 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
228–237 262 233
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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Roger Powell 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 Roger Powell 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, 99 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: 99 D-Index — 98th percentile

98% 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
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 99
100 13
101 3
102 9
103 4
104 6
105 6
106+ 98
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Research.com Recognitions

  • 2015 - Fellow of the Royal Society, United Kingdom

Overview

Roger Powell is affiliated with the University of Melbourne in Australia and specializes in Earth and Planetary Sciences with additional contributions to Engineering. Their primary research areas include Geophysics, Artificial Intelligence, Mechanics of Materials, Environmental Engineering, and Biomedical Engineering.

Powell's scholarly output encompasses topics such as Geological and Geochemical Analysis, earthquake and tectonic studies, High-pressure geophysics and materials, Geochemistry and Geologic Mapping, CO2 Sequestration and Geologic Interactions, Robotic Locomotion and Control, and Robotic Path Planning Algorithms.

Their recent publications demonstrate a focus on mineral equilibrium, geochronology, and isotope geochemistry. Selected publications include:

  • A thermodynamic model for feldspars in KAlSi3O8−NaAlSi3O8−CaAl2Si2O8 for mineral equilibrium calculations, 2021, Journal of Metamorphic Geology
  • Robust isochron calculation, 2020, Geochronology
  • DQPB: software for calculating disequilibrium U-Pb ages, 2023, Geochronology
  • Mantle-like Hf Nd isotope signatures in ~3.5 Ga greenstones: No evidence for Hadean crust beneath the East Pilbara Craton, 2021, Chemical Geology
  • New Thermodynamic Models for Anhydrous Alkaline-Silicate Magmatic Systems, 2024, Journal of Petrology

Frequent coauthors include:

  • T. J. B. Holland
  • Eleanor Green
  • Jon Woodhead
  • Marco Visca
  • Yang Gao

Powell's publications have appeared predominantly in the following venues:

  • Journal of Metamorphic Geology
  • Geochronology
  • arXiv (Cornell University)
  • Journal of Petrology
  • Chemical Geology

Recognition for their work includes election as a Fellow of the Royal Society, United Kingdom, in 2015.

Best Publications

  • An internally consistent thermodynamic data set for phases of petrological interest

    Tim Holland;Roger Powell

  • An improved and extended internally consistent thermodynamic dataset for phases of petrological interest, involving a new equation of state for solids

    T. J. B. Holland;R. Powell

  • Activity–composition relations for phases in petrological calculations: an asymmetric multicomponent formulation

    Tim Holland;Roger Powell

  • An internally consistent dataset with uncertainties and correlations: 3. Applications to geobarometry, worked examples and a computer program

    R. Powell;T.J.B. Holland

  • An enlarged and updated internally consistent thermodynamic dataset with uncertainties and correlations: the system K2O–Na2O–CaO–MgO–MnO–FeO–Fe2O3–Al2O3–TiO2–SiO2–C–H2–O2

    T. J. B. Holland;R. Powell

  • Progress relating to calculation of partial melting equilibria for metapelites

    R. W. White;R. Powell;T. J. B. Holland

  • New mineral activity-composition relations for thermodynamic calculations in metapelitic systems

    R. W. White;R. Powell;T. J. B. Holland;T. E. Johnson

  • Calculating phase diagrams involving solid solutions via non‐linear equations, with examples using THERMOCALC

    R Powell;T. Holland;B. Worley

  • A garnet–hornblende geothermometer: calibration, testing, and application to the Pelona Schist, Southern California

    Colin M. Graham;Roger Powell

  • Regression diagnostics and robust regression in geothermometer/geobarometer calibration: the garnet-clinopyroxene geothermometer revisited

    Roger Powell

  • The interpretation of reaction textures in Fe-rich metapelitic granulites of the Musgrave Block, central Australia: constraints from mineral equilibria calculations in the system K2O-FeO-MgO-Al2O3-SiO2-H2O-TiO2-Fe2O3

    R. W. White;Roger Powell;G. L. Clarke

  • Calculation of partial melting equilibria in the system Na2O–CaO–K2O–FeO–MgO–Al2O3–SiO2–H2O (NCKFMASH)

    R. W. White;R. Powell;T. J. B. Holland

  • Activity–composition relations for the calculation of partial melting equilibria in metabasic rocks

    E. C. R. Green;R. W. White;J. F. A. Diener;R. Powell

  • The pressure dependence of the zirconium‐in‐rutile thermometer

    Helen Tomkins;Roger Powell;David Ellis

  • MIXING PROPERTIES AND ACTIVITY-COMPOSITION RELATIONSHIPS OF CHLORITES IN THE SYSTEM MGO-FEO-AL2O3-SIO2-H2O

    Tim Holland;Judy Baker;Roger Powell

  • Formation of gold deposits: a metamorphic devolatilization model

    G. N. Phillips;R. Powell

  • Optimal geothermometry and geobarometry

    Roger Powell;Tim Holland

  • An order-disorder model for omphacitic pyroxenes in the system jadeite-diopside-hedenbergite-acmite, with applications to eclogitic rocks

    Eleanor Green;Tim Holland;Roger Powell

  • An internally consistent thermodynamic dataset with uncertainties and correlations: 1. Methods and a worked example

    Roger Powell;T. J. B. Holland

  • Thermodynamics of order-disorder in minerals. II: symmetric formalism applied to solid solutions.

    Tim Holland;Roger Powell

  • Relating formulations of the thermodynamics of mineral solid solutions; activity modeling of pyroxenes, amphiboles, and micas

    Roger Powell;Tim Holland

Frequent Co-Authors

Tim Holland
Tim Holland University of Cambridge
Richard W. White
Richard W. White University of St Andrews
Pavla Štípská
Pavla Štípská University of Strasbourg
Mike Sandiford
Mike Sandiford University of Melbourne
Geoffrey L. Clarke
Geoffrey L. Clarke University of Sydney
Katy Evans
Katy Evans Curtin University
David E. Kelsey
David E. Kelsey University of Adelaide
Chunjing Wei
Chunjing Wei Peking University
Michael J. Day
Michael J. Day Murdoch University
Martin Hand
Martin Hand University of Adelaide

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