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Earth Science
USA
2026

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 95 186 158 92 77 323 28937

Robert A. Duncan publications per year

The chart shows the history of publications by Robert A. Duncan between 1958 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Robert A. Duncan published across 68 years, from 1958 to 2025, averaging 5.9 papers a year. Output peaked at 25 publications in 2005. 2 of the 400 publications appeared in the last two years.

No. of publications
5 10 15 20 25
Bar chart. Horizontal axis: year, 1958 to 2025. Vertical axis: number of publications, 0 to 25. Peak 25 publications in 2005. 1958: 1 publication 1959: 2 publications 1960: 2 publications 1961: 1 publication 1962: 1 publication 1963: 0 publications 1964: 2 publications 1965: 1 publication 1966: 3 publications 1967: 1 publication 1968: 0 publications 1969: 2 publications 1970: 1 publication 1971: 1 publication 1972: 1 publication 1973: 1 publication 1974: 4 publications 1975: 2 publications 1976: 3 publications 1977: 1 publication 1978: 5 publications 1979: 2 publications 1980: 5 publications 1981: 6 publications 1982: 3 publications 1983: 3 publications 1984: 4 publications 1985: 12 publications 1986: 6 publications 1987: 5 publications 1988: 7 publications 1989: 12 publications 1990: 12 publications 1991: 6 publications 1992: 4 publications 1993: 7 publications 1994: 5 publications 1995: 13 publications 1996: 7 publications 1997: 13 publications 1998: 16 publications 1999: 6 publications 2000: 6 publications 2001: 11 publications 2002: 14 publications 2003: 9 publications 2004: 9 publications 2005: 25 publications 2006: 18 publications 2007: 11 publications 2008: 5 publications 2009: 8 publications 2010: 8 publications 2011: 6 publications 2012: 6 publications 2013: 19 publications 2014: 6 publications 2015: 10 publications 2016: 11 publications 2017: 7 publications 2018: 3 publications 2019: 5 publications 2020: 8 publications 2021: 2 publications 2022: 2 publications 2023: 0 publications 2024: 1 publication 2025: 1 publication
1958 2025

400 publications in total across all disciplines

View publications per year as a table
Robert A. Duncan: publications per year, 1958 to 2025
Year Publications
1958 1
1959 2
1960 2
1961 1
1962 1
1963 0
1964 2
1965 1
1966 3
1967 1
1968 0
1969 2
1970 1
1971 1
1972 1
1973 1
1974 4
1975 2
1976 3
1977 1
1978 5
1979 2
1980 5
1981 6
1982 3
1983 3
1984 4
1985 12
1986 6
1987 5
1988 7
1989 12
1990 12
1991 6
1992 4
1993 7
1994 5
1995 13
1996 7
1997 13
1998 16
1999 6
2000 6
2001 11
2002 14
2003 9
2004 9
2005 25
2006 18
2007 11
2008 5
2009 8
2010 8
2011 6
2012 6
2013 19
2014 6
2015 10
2016 11
2017 7
2018 3
2019 5
2020 8
2021 2
2022 2
2023 0
2024 1
2025 1
Total 400
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Robert A. Duncan 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 Robert A. Duncan 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, 318–327 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: 323 publications — 89th percentile

89% 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
268–277 147
278–287 128
288–297 119
298–307 120
308–317 107
318–327 93 323
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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Robert A. Duncan 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 Robert A. Duncan 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, 95 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: 95 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 95
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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Research.com Recognitions

  • 2026 - Research.com Earth Science in United States Leader Award
  • 2025 - Research.com Earth Science in United States Leader Award
  • 2008 - Fellow of American Geophysical Union (AGU)

Overview

Robert A. Duncan is affiliated with Oregon State University in the United States. Their research spans multiple fields, primarily focusing on Medicine and Earth and Planetary Sciences. The scientist's work encompasses subfields including Surgery, Geophysics, Epidemiology, Geochemistry and Petrology, and Atmospheric Science.

Their recent research publications cover diverse topics and venues. Notable papers include:

  • "Petrogenesis of Lava from Christmas Island, Northeast Indian Ocean: Implications for the Nature of Recycled Components in Non-Plume Intraplate Settings" (2022), published in Geosciences
  • "Ultrasound and the Science of Central Venous Catheter Care" (2020), published in Clinical Infectious Diseases
  • "McDonald Islands Phonolitic Lavas: Evidence for Zonation of the Kerguelen Plume" (2024), published in Geochemistry Geophysics Geosystems
  • "Abdominal cyst of unclear aetiology: gastrointestinal stromal tumour or reactivation of abdominal tuberculosis" (2022), published in BMJ Case Reports
  • "ODP Leg 197, Hole 1203A - Well Logging Data" (2021), published in OPAL (Open@LaTrobe) (La Trobe University)

The scientist has collaborated frequently with other researchers, including:

  • Trevor J. Falloon
  • Damini Saxena
  • J. A. Tarduno
  • David W. Scholl
  • R. Bonaccorsi

Robert A. Duncan's work addresses a range of research topics. These topics include:

  • Geological and Geochemical Analysis
  • Geochemistry and Elemental Analysis
  • Earthquake and Tectonic Studies
  • Geology and Paleoclimatology Research
  • Maritime and Coastal Archaeology
  • Archaeology and Ancient Environmental Studies
  • Central Venous Catheters and Hemodialysis

The scientist has published in a variety of venues, such as:

  • Geosciences
  • Geochemistry Geophysics Geosystems
  • Clinical Infectious Diseases
  • BMJ Case Reports
  • OPAL (Open@LaTrobe) (La Trobe University)

In 2008, Robert A. Duncan was recognized as a Fellow of the American Geophysical Union (AGU), an acknowledgment within their professional community.

Best Publications

  • Flood Basalts and Hot-Spot Tracks: Plume Heads and Tails

    Mark A. Richards;Robert A. Duncan;Vincent E. Courtillot

  • Society for Healthcare Epidemiology of America and Infectious Diseases Society of America Joint Committee on the Prevention of Antimicrobial Resistance: Guidelines for the Prevention of Antimicrobial Resistance in Hospitals

    David M. Shlaes;Dale N. Gerding;Joseph F. John;William A. Craig

  • Timing of Hot Spot—Related Volcanism and the Breakup of Madagascar and India

    Michael Storey;John J. Mahoney;Andrew D. Saunders;Robert A. Duncan

  • Hotspots, mantle plumes, flood basalts, and true polar wander

    Robert A. Duncan;M. A. Richards

  • The timing and duration of the Karoo igneous event, southern Gondwana

    Robert A. Duncan;P. R. Hooper;J. Rehacek;J. S. Marsh

  • Rapid eruption of the Deccan flood basalts at the Cretaceous/Tertiary boundary

    R. A. Duncan;D. G. Pyle

  • Kerguelen Hotspot Magma Output since 130 Ma

    M.F. Coffin;Pringle;R.A. Duncan;T.P. Gladczenko

  • Evolution of the Walvis Ridge-Rio Grande Rise Hot Spot System: Implications for African and South American Plate motions over plumes

    John M. O'Connor;Robert A. Duncan

  • Petrology and geochemistry of the Galápagos Islands: Portrait of a pathological mantle plume

    William M. White;Alexander R. McBirney;Robert A. Duncan

  • Plate tectonic evolution of the Caribbean region in the mantle reference frame

    R. A. Duncan;R. B. Hargraves

  • The Emperor Seamounts: Southward Motion of the Hawaiian Hotspot Plume in Earth's Mantle

    John A. Tarduno;Robert A. Duncan;David W. Scholl;Rory D. Cottrell

  • Hotspots in the Southern Oceans — an absolute frame of reference for motion of the Gondwana continents

    R.A. Duncan

  • Paleocene-Eocene thermal maximum and the opening of the Northeast Atlantic.

    Michael Storey;Robert A. Duncan;Carl C. Iii. Swisher

  • An oceanic flood basalt province within the Caribbean plate

    C.W. Sinton;R.A. Duncan;M. Storey;J. Lewis

  • Linear volcanism in French Polynesia

    R.A. Duncan;Ian McDougall

  • Geochemistry and Age of the Ontong Java Plateau

    J.J. Mahoney;Michael Storey;R.A. Duncan;K.J. Spencer

  • The Ontong Java Plateau

    Clive R. Neal;John J. Mahoney;Loren W. Kroenke;Robert A. Duncan

  • Origin and evolution of a submarine large igneous province: the Kerguelen Plateau and Broken Ridge, southern Indian Ocean

    F. A. Frey;M. F. Coffin;P. J. Wallace;D. Weis

  • Pacific Plate Motion Recorded by Linear Volcanic Chains

    Robert A. Duncan;David A. Clague

  • Potential links between ocean plateau volcanism and global ocean anoxia at the Cenomanian-Turonian boundary

    C. W. Sinton;R. A. Duncan

  • Age and Geochemistry of Basement and Alkalic Rocks of Malaita and Santa Isabel, Solomon Islands, Southern Margin of Ontong Java Plateau

    M. L. G. Tejada;J. J. Mahoney;R. A. Duncan;M. P. Hawkins

Frequent Co-Authors

John J. Mahoney
John J. Mahoney University of Hawaii at Manoa
Michael Storey
Michael Storey University of Copenhagen
Martin R. Fisk
Martin R. Fisk Oregon State University
William M. White
William M. White Cornell University
David W. Scholl
David W. Scholl United States Geological Survey
Clive R. Neal
Clive R. Neal University of Notre Dame
Adam J.R. Kent
Adam J.R. Kent Oregon State University
John A. Tarduno
John A. Tarduno University of Rochester
Millard F. Coffin
Millard F. Coffin University of Tasmania
Christian Tegner
Christian Tegner Aarhus University

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