World's Best Scientists 2026 revealed!
Barbara Sherwood Lollar

Barbara Sherwood Lollar

D-Index & Metrics

Earth Science

D-Index
68
Citations
14427
World Ranking
1165
National Ranking
53

Barbara Sherwood Lollar 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 Barbara Sherwood Lollar sits on this spectrum.

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 publications 603+

This scientist: 315 publications — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 603 publications or more.

Barbara Sherwood Lollar 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 Barbara Sherwood Lollar sits on this spectrum.

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: 68 D-Index — 88th percentile

88% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 106 D-Index or more.

Research.com Recognitions

  • 2020 - Izaak Walton Killam Memorial Prize, Canada Council
  • 2019 - C.C. Patterson Award, Geochemical Society
  • 2019 - Fellow of the Royal Society, United Kingdom
  • 2015 - Fellow of American Geophysical Union (AGU)
  • 2004 - Fellow of the Royal Society of Canada Academy of Science

Best Publications

  • ABIOTIC METHANE ON EARTH

    Giuseppe Etiope;Giuseppe Etiope;Barbara Sherwood Lollar

  • Abiogenic formation of alkanes in the Earth's crust as a minor source for global hydrocarbon reservoirs

    B. Sherwood Lollar;T. D. Westgate;J. A. Ward;G. F. Slater

  • Solubility trapping in formation water as dominant CO2 sink in natural gas fields

    Stuart M V Gilfillan;Barbara Sherwood Lollar;Greg Holland;David Blagburn

  • Long-term sustainability of a high-energy, low-diversity crustal biome.

    Li-Hung Lin;Li-Hung Lin;Pei-Ling Wang;Douglas Rumble;Johanna Lippmann-Pipke

  • A new analysis of Mars "Special Regions": findings of the second MEPAG Special Regions Science Analysis Group (SR-SAG2)

    John D. Rummel;David W. Beaty;Melissa A. Jones;Corien Bakermans

  • Unravelling abiogenic and biogenic sources of methane in the Earth's deep subsurface

    B. Sherwood Lollar;G. Lacrampe-Couloume;G. F. Slater;J. Ward

  • Stable carbon isotope evidence for intrinsic bioremediation of tetrachloroethene and trichloroethene at area 6, Dover Air Force Base

    B Sherwood Lollar;G F Slater;B Sleep;M Witt

  • Abiogenic methanogenesis in crystalline rocks

    B. Sherwood Lollar;S.K. Frape;S.M. Weise;P. Fritz

  • The contribution of the Precambrian continental lithosphere to global H2 production.

    Barbara Sherwood Lollar;T. C. Onstott;G. Lacrampe-Couloume;C. J. Ballentine

  • The noble gas geochemistry of natural CO2 gas reservoirs from the Colorado Plateau and Rocky Mountain provinces, USA

    Stuart M V Gilfillan;Chris J. Ballentine;Greg Holland;David Blagburn

  • The yield and isotopic composition of radiolytic H2, a potential energy source for the deep subsurface biosphere

    Li-Hung Lin;Greg F. Slater;Greg F. Slater;Barbara Sherwood Lollar;Georges Lacrampe-Couloume

  • Radiolytic H2 in continental crust: Nuclear power for deep subsurface microbial communities

    Li-Hung Lin;Li-Hung Lin;James Hall;James Hall;Johanna Lippmann-Pipke;Julie A. Ward

  • Nonequilibrium clumped isotope signals in microbial methane

    David T. Wang;David T. Wang;Danielle S. Gruen;Danielle S. Gruen;Barbara Sherwood Lollar;Kai-Uwe Hinrichs

  • Variability in carbon isotopic fractionation during biodegradation of chlorinated ethenes: implications for field applications.

    Gregory F. Slater;Barbara Sherwood Lollar;Brent E. Sleep;Elizabeth A. Edwards

  • Regional groundwater focusing of nitrogen and noble gases into the Hugoton-Panhandle giant gas field, USA

    Chris J. Ballentine;Barbara Sherwood Lollar

  • Contrasting carbon isotope fractionation during biodegradation of trichloroethylene and toluene: Implications for intrinsic bioremediation

    B. Sherwood Lollar;G.F. Slater;J. Ahad;B. Sleep

  • Deep fracture fluids isolated in the crust since the Precambrian era

    Greg Holland;Greg Holland;B. Sherwood Lollar;L. Li;L. Li;Georges Lacrampe-Couloume

  • An oligotrophic deep-subsurface community dependent on syntrophy is dominated by sulfur-driven autotrophic denitrifiers

    Maggie C. Y. Lau;Thomas L. Kieft;Olukayode Kuloyo;Borja Linage-Alvarez

  • Isotopic signatures of CH4 and higher hydrocarbon gases from Precambrian Shield sites: A model for abiogenic polymerization of hydrocarbons

    B. Sherwood Lollar;G. Lacrampe-Couloume;K. Voglesonger;T.C. Onstott

  • Desulfotomaculum and Methanobacterium spp. Dominate a 4- to 5-Kilometer-Deep Fault

    Duane P. Moser;Thomas M. Gihring;Fred J. Brockman;James K. Fredrickson

Frequent Co-Authors

Chris J. Ballentine
Chris J. Ballentine University of Oxford
Martin Elsner
Martin Elsner Technical University of Munich
Thomas L. Kieft
Thomas L. Kieft New Mexico Institute of Mining and Technology
Ricardo I.F. Trindade
Ricardo I.F. Trindade Universidade de São Paulo
Grant Ferguson
Grant Ferguson University of Saskatchewan
Tullis C. Onstott
Tullis C. Onstott Princeton University
Myrna J. Simpson
Myrna J. Simpson University of Toronto

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Related Online Degrees & Career Pathways

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