World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
57
Citations
13213
World Ranking
2248
National Ranking
954

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.

38–42 publications: 1 scientists 43–47 publications: 0 scientists 48–52 publications: 3 scientists 53–57 publications: 8 scientists 58–62 publications: 11 scientists 63–67 publications: 16 scientists 68–72 publications: 24 scientists 73–77 publications: 31 scientists 78–82 publications: 49 scientists 83–87 publications: 77 scientists 88–92 publications: 86 scientists 93–97 publications: 88 scientists 98–102 publications: 92 scientists 103–107 publications: 84 scientists 108–112 publications: 102 scientists 113–117 publications: 108 scientists 118–122 publications: 117 scientists 123–127 publications: 126 scientists 128–132 publications: 146 scientists 133–137 publications: 114 scientists 138–142 publications: 102 scientists 143–147 publications: 127 scientists 148–152 publications: 102 scientists 153–157 publications: 112 scientists 158–162 publications: 102 scientists 163–167 publications: 127 scientists 168–172 publications: 121 scientists 173–177 publications: 112 scientists 178–182 publications: 109 scientists 183–187 publications: 98 scientists 188–192 publications: 92 scientists 193–197 publications: 105 scientists 198–202 publications: 77 scientists 203–207 publications: 80 scientists 208–212 publications: 89 scientists 213–217 publications: 70 scientists 218–222 publications: 74 scientists 223–227 publications: 74 scientists 228–232 publications: 70 scientists 233–237 publications: 67 scientists 238–242 publications: 59 scientists 243–247 publications: 67 scientists 248–252 publications: 51 scientists 253–257 publications: 46 scientists 258–262 publications: 41 scientists 263–267 publications: 39 scientists 268–272 publications: 34 scientists 273–277 publications: 39 scientists 278–282 publications: 35 scientists 283–287 publications: 36 scientists 288–292 publications: 35 scientists 293–297 publications: 29 scientists 298–302 publications: 23 scientists 303–307 publications: 39 scientists 308–312 publications: 34 scientists 313–317 publications: 23 scientists 318–322 publications: 18 scientists 323–327 publications: 18 scientists 328–332 publications: 21 scientists 333–337 publications: 20 scientists 338–342 publications: 15 scientists 343–347 publications: 13 scientists 348–352 publications: 24 scientists 353–357 publications: 25 scientists 358–362 publications: 10 scientists 363–367 publications: 20 scientists 368–372 publications: 17 scientists 373–377 publications: 18 scientists 378–382 publications: 15 scientists 383–387 publications: 7 scientists 388–392 publications: 22 scientists 393–397 publications: 9 scientists 398–402 publications: 11 scientists 403–407 publications: 16 scientists 408–412 publications: 4 scientists 413–417 publications: 5 scientists 418–422 publications: 14 scientists 423–427 publications: 8 scientists 428–432 publications: 7 scientists 433–437 publications: 7 scientists 438–442 publications: 10 scientists 443–447 publications: 10 scientists 448–452 publications: 3 scientists 453–457 publications: 9 scientists 458–462 publications: 11 scientists 463–467 publications: 4 scientists 468–472 publications: 6 scientists 473–477 publications: 11 scientists 478–482 publications: 8 scientists 483–487 publications: 2 scientists 488–492 publications: 3 scientists 493–497 publications: 4 scientists 498–502 publications: 4 scientists 503–507 publications: 4 scientists 508–509 publications: 4 scientists 510+ publications: 100 scientists
38 publications 510+

This scientist: 133 publications — 27th percentile

27% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 510 publications or more.

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.

30 D-Index: 15 scientists 31 D-Index: 42 scientists 32 D-Index: 60 scientists 33 D-Index: 90 scientists 34 D-Index: 103 scientists 35 D-Index: 108 scientists 36 D-Index: 142 scientists 37 D-Index: 147 scientists 38 D-Index: 147 scientists 39 D-Index: 152 scientists 40 D-Index: 143 scientists 41 D-Index: 157 scientists 42 D-Index: 141 scientists 43 D-Index: 151 scientists 44 D-Index: 140 scientists 45 D-Index: 135 scientists 46 D-Index: 121 scientists 47 D-Index: 108 scientists 48 D-Index: 128 scientists 49 D-Index: 111 scientists 50 D-Index: 106 scientists 51 D-Index: 112 scientists 52 D-Index: 102 scientists 53 D-Index: 103 scientists 54 D-Index: 94 scientists 55 D-Index: 61 scientists 56 D-Index: 101 scientists 57 D-Index: 71 scientists 58 D-Index: 65 scientists 59 D-Index: 78 scientists 60 D-Index: 93 scientists 61 D-Index: 56 scientists 62 D-Index: 58 scientists 63 D-Index: 52 scientists 64 D-Index: 63 scientists 65 D-Index: 49 scientists 66 D-Index: 53 scientists 67 D-Index: 57 scientists 68 D-Index: 50 scientists 69 D-Index: 44 scientists 70 D-Index: 44 scientists 71 D-Index: 31 scientists 72 D-Index: 33 scientists 73 D-Index: 33 scientists 74 D-Index: 23 scientists 75 D-Index: 32 scientists 76 D-Index: 24 scientists 77 D-Index: 17 scientists 78 D-Index: 19 scientists 79 D-Index: 9 scientists 80 D-Index: 21 scientists 81 D-Index: 20 scientists 82 D-Index: 17 scientists 83 D-Index: 19 scientists 84 D-Index: 19 scientists 85 D-Index: 14 scientists 86 D-Index: 6 scientists 87 D-Index: 14 scientists 88 D-Index: 17 scientists 89 D-Index: 10 scientists 90 D-Index: 8 scientists 91 D-Index: 8 scientists 92 D-Index: 9 scientists 93 D-Index: 6 scientists 94+ D-Index: 98 scientists
30 D-Index 94+

This scientist: 57 D-Index — 71st percentile

71% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 94 D-Index or more.

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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Related Online Degrees & Career Pathways

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For those interested in expanding their knowledge about information systems, a library degree is another valuable option. It complements Earth Science expertise by offering skills related to digital cataloging, resource management, and public information access.

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Veterans looking to transition into this interdisciplinary space can explore some of the best online photography degree programs for veterans, which offer flexible learning tailored to their experience and interests. These programs often support practical, career-focused outcomes important within Earth Science-related roles.

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