World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
62
Citations
14762
World Ranking
1662
National Ranking
732

James C. G. Walker 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 James C. G. Walker 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: 142 publications — 32nd percentile

32% of scientists in this discipline score the same or lower.

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

James C. G. Walker 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 James C. G. Walker 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: 62 D-Index — 79th percentile

79% of scientists in this discipline score the same or lower.

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

Overview

James C. G. Walker is affiliated with the University of Michigan-Ann Arbor in the United States. Their academic work is primarily situated within this institution.

There is no available information on their recent papers, frequent co-authors, or publication venues.

Details regarding their book publications, main fields of study, subfields, and main topics of research have not been provided.

No awards or distinctions have been recorded for James C. G. Walker in the given data.

Best Publications

  • A negative feedback mechanism for the long‐term stabilization of Earth's surface temperature

    James C. G. Walker;P. B. Hays;J. F. Kasting

  • A blast of gas in the latest Paleocene: Simulating first-order effects of massive dissociation of oceanic methane hydrate

    Gerald R. Dickens;Maria M. Castillo;James C. G. Walker

  • Abrupt climate change and transient climates during the Paleogene: a marine perspective.

    James C. Zachos;Kyger C. Lohmann;James C. G. Walker;Sherwood W. Wise

  • A photochemical theory of tropospheric ozone

    William Chameides;James C. G. Walker

  • The dynamics of a rapidly escaping atmosphere: Applications to the evolution of Earth and Venus

    Andrew J. Watson;Thomas M. Donahue;James C.G. Walker

  • Mass fractionation in hydrodynamic escape

    Donald M. Hunten;Robert O. Pepin;James C.G. Walker

  • Theoretical ion densities in the lower ionosphere

    R. W. Schunk;J. C. G. Walker

  • Carbon dioxide on the early earth.

    James C. G. Walker

  • The evolution of solar ultraviolet luminosity

    Kevin J. Zahnle;James C. G. Walker

  • Return of the coral reef hypothesis: Basin to shelf partitioning of CaCO3 and its effect on atmospheric CO2

    Bradley N. Opdyke;James C.G. Walker

  • Suboxic diagenesis in banded iron formations.

    James C. G. Walker

  • Iron and sulfur in the pre-biologic ocean.

    James C.G. Walker;Peter Brimblecombe

  • Modelling the Phanerozoic carbon cycle and climate: constraints from the 87Sr/86Sr isotopic ratio of seawater.

    Louis M. Francois;James C. G. Walker

  • The δ18O record of phanerozoic abiotic marine calcite cements

    Kyger C. Lohmann;James C. G. Walker

  • Limits on oxygen concentration in the prebiological atmosphere and the rate of abiotic fixation of nitrogen

    J. F. Kasting;James C. G. Walker

  • Effects of fuel and forest conservation on future levels of atmospheric carbon dioxide

    James C.G. Walker;James F. Kasting

  • Photochemistry of Methane in the Earth's Early Atmosphere

    James F. Kasting;Kevin J. Zahnle;James C. G. Walker

  • Was the Archaean biosphere upside down

    James C. G. Walker

  • Climatic forcing of carbon-oxygen isotopic covariance in temperate-region marl lakes

    Carl N. Drummond;William P. Patterson;James C. G. Walker

  • Rates of fixation by lightning of carbon and nitrogen in possible primitive atmospheres.

    W. L. Chameides;James C. G. Walker

  • Possible methane-induced polar warming in the early Eocene

    L. C. Sloan;James C. G. Walker;T. C. Moore;David K. Rea

Frequent Co-Authors

Paul B. Hays
Paul B. Hays University of Michigan–Ann Arbor
William L. Chameides
William L. Chameides Duke University
John W. Meriwether
John W. Meriwether Clemson University
James F. Kasting
James F. Kasting Pennsylvania State University
David W. Rusch
David W. Rusch University of Colorado Boulder
Louis François
Louis François University of Liège
Theodore C. Moore
Theodore C. Moore University of Michigan–Ann Arbor
Michael P. Sulzer
Michael P. Sulzer Arecibo Observatory
Kevin Zahnle
Kevin Zahnle Ames Research Center
Kyger C. Lohmann
Kyger C. Lohmann University of Michigan–Ann Arbor

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