World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Earth Science 57 2248 2039 954 843 133 13213

Thomas D. Bullen publications per year

The chart shows the history of publications by Thomas D. Bullen between 1980 and 2017, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Thomas D. Bullen published across 38 years, from 1980 to 2017, averaging 3.7 papers a year. Output peaked at 11 publications in 2008. 5 of the 140 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1980 to 2017. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2008. 1980: 1 publication 1981: 0 publications 1982: 0 publications 1983: 0 publications 1984: 1 publication 1985: 0 publications 1986: 0 publications 1987: 0 publications 1988: 0 publications 1989: 0 publications 1990: 2 publications 1991: 0 publications 1992: 0 publications 1993: 1 publication 1994: 0 publications 1995: 2 publications 1996: 2 publications 1997: 7 publications 1998: 5 publications 1999: 7 publications 2000: 6 publications 2001: 6 publications 2002: 6 publications 2003: 9 publications 2004: 10 publications 2005: 7 publications 2006: 5 publications 2007: 10 publications 2008: 11 publications 2009: 7 publications 2010: 2 publications 2011: 7 publications 2012: 4 publications 2013: 8 publications 2014: 4 publications 2015: 5 publications 2016: 3 publications 2017: 2 publications
1980 2017

140 publications in total across all disciplines

View publications per year as a table
Thomas D. Bullen: publications per year, 1980 to 2017
Year Publications
1980 1
1981 0
1982 0
1983 0
1984 1
1985 0
1986 0
1987 0
1988 0
1989 0
1990 2
1991 0
1992 0
1993 1
1994 0
1995 2
1996 2
1997 7
1998 5
1999 7
2000 6
2001 6
2002 6
2003 9
2004 10
2005 7
2006 5
2007 10
2008 11
2009 7
2010 2
2011 7
2012 4
2013 8
2014 4
2015 5
2016 3
2017 2
Total 140
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Thomas D. Bullen 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 Thomas D. Bullen 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, 128–137 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: 133 publications — 30th percentile

30% 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
128–137 557 133
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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Thomas D. Bullen 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 Thomas D. Bullen 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, 57 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: 57 D-Index — 76th percentile

76% 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 57
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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Overview

Thomas D. Bullen is affiliated with the United States Geological Survey in the United States. Their professional focus lies within this federal scientific agency, which undertakes research related to natural resources, natural hazards, and the landscape of the U.S.

Bullen's academic record does not show specific details about published papers, co-authors, or frequent publication venues. This limits the ability to outline their research outputs or collaborations in detail.

There is no available information about book publications, which indicates either a primary focus on articles or other forms of scientific communication rather than monographs or textbooks.

The scientist's body of work does not specify any main fields or subfields of study, nor are there documented main topics of research to refine their specific areas of expertise within geological or earth sciences.

Similarly, no awards or honors have been documented for Thomas D. Bullen, suggesting that either they have not been formally recognized with such distinctions or that this information is not publicly cataloged in the available source data.

The absence of listed recent papers, co-authors, and publication venues means that their research contributions and network connections cannot be detailed based on the current data.

Best Publications

  • Chromian spinel as a petrogenetic indicator in abyssal and alpine-type peridotites and spatially associated lavas

    Henry J. B. Dick;Thomas Bullen

  • Chromium isotopes and the fate of hexavalent chromium in the environment

    Andre S. Ellis;Thomas Martin Johnson;Thomas D. Bullen

  • Demonstration of significant abiotic iron isotope fractionation in nature

    Thomas D. Bullen;Arthur F. White;Cyril W. Childs;Davisson V. Vivit

  • Differential rates of feldspar weathering in granitic regoliths

    Art F. White;Thomas D. Bullen;Marjorie S. Schulz;Alex E. Blum

  • The effect of temperature on experimental and natural chemical weathering rates of granitoid rocks

    Art F. White;Alex E. Blum;Thomas D. Bullen;Davison V. Vivit

  • The role of disseminated calcite in the chemical weathering of granitoid rocks

    Art F White;Thomas D Bullen;Davison V Vivit;Marjorie S Schulz

  • Application of multiple isotopic and geochemical tracers for investigation of recharge, salinization, and residence time of water in the Souss–Massa aquifer, southwest of Morocco

    L. Bouchaou;J.L. Michelot;A. Vengosh;Y. Hsissou

  • Use of Chemical and Isotopic Tracers to Characterize the Interactions Between Ground Water and Surface Water in Mantled Karst

    Brian G. Katz;Tyler B. Coplen;Thomas D. Bullen;J. Hal Davis

  • Fractionation of Fe isotopes by soil microbes and organic acids

    Susan L. Brantley;Laura Liermann;Thomas D. Bullen

  • Iron isotope fractionation during microbially stimulated Fe(II) oxidation and Fe(III) precipitation

    Nurgul Balci;Nurgul Balci;Thomas D. Bullen;Kerstin Witte-Lien;Wayne C. Shanks

  • Chromium, chromium isotopes and selected trace elements, western Mojave Desert, USA

    John A. Izbicki;James W. Ball;Thomas D. Bullen;Stephen J. Sutley

  • Formation of Tellurium Nanocrystals during Anaerobic Growth of Bacteria That Use Te Oxyanions as Respiratory Electron Acceptors

    Shaun M. Baesman;Thomas D. Bullen;James Dewald;Donghui Zhang

  • Kinetic and mineralogic controls on the evolution of groundwater chemistry and 87Sr/86Sr in a sandy silicate aquifer, northern Wisconsin, USA

    Thomas D. Bullen;David P. Krabbenhoft;Carol Kendall

  • Strontium 87/strontium 86 as a tracer of mineral weathering reactions and calcium sources in an Alpine/Subalpine Watershed, Loch Vale, Colorado

    David W. Clow;Alisa Mast;Thomas D. Bullen;John T. Turk

  • Chemical weathering of a soil chronosequence on granitoid alluvium : II. Mineralogic and isotopic constraints on the behavior of strontium

    Thomas Bullen;Arthur White;Alex Blum;Jennifer Harden

  • The variable role of slab-derived fluids in the generation of a suite of primitive calc-alkaline lavas from the Southernmost Cascades, California

    Lars E. Borg;Michael A. Clynne;Thomas D. Bullen

  • Oxygen and iron isotope studies of magnetite produced by magnetotactic bacteria

    Kevin W. Mandernack;Dennis A. Bazylinski;Wayne C. Shanks;Thomas D. Bullen

  • Selenium isotope ratios as indicators of selenium sources and oxyanion reduction

    Thomas M. Johnson;Mitchell J. Herbel;Mitchell J. Herbel;Thomas D. Bullen;Peter T. Zawislanski

  • Using chromium stable isotope ratios to quantify Cr(VI) reduction: lack of sorption effects.

    Andre S. Ellis;Thomas M. Johnson;Thomas D. Bullen

  • The ubiquitous nature of accessory calcite in granitoid rocks: Implications for weathering, solute evolution, and petrogenesis

    Art F. White;Marjorie S. Schulz;Jacob B. Lowenstern;Davison V. Vivit

Frequent Co-Authors

Thomas M. Johnson
Thomas M. Johnson University of Illinois at Urbana-Champaign
Adina Paytan
Adina Paytan University of California, Santa Cruz
Kevin J. McGuire
Kevin J. McGuire Virginia Tech
Art F. White
Art F. White United States Geological Survey
Avner Vengosh
Avner Vengosh Duke University
Ittai Gavrieli
Ittai Gavrieli Geological Survey of Israel
Michael A. Clynne
Michael A. Clynne United States Geological Survey
Scott W. Bailey
Scott W. Bailey US Forest Service
Bernhard Mayer
Bernhard Mayer University of Calgary
Carol Kendall
Carol Kendall United States Geological Survey

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