World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
45
Citations
14237
World Ranking
4338
National Ranking
1674

Kenneth R. Ludwig 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 Kenneth R. Ludwig 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: 113 publications — 16th percentile

16% of scientists in this discipline score the same or lower.

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

Kenneth R. Ludwig 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 Kenneth R. Ludwig 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: 45 D-Index — 43rd percentile

43% of scientists in this discipline score the same or lower.

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

Overview

Kenneth R. Ludwig is affiliated with the Berkeley Geochronology Center in the United States. Their recent research contributions include multiple publications in the year 2024, spanning topics within environmental science and ecological impacts.

Their recent papers include:

  • International Bottom Trawl Survey Working Group (IBTSWG), 2024, published in Archimer (Ifremer)
  • Unravelling Cumulative Effects of Human Pressures on Demersal Fish Traits Using a Driver-Pressure-State-Impact Framework, 2024, SSRN Electronic Journal
  • International Bottom Trawl Survey Working Group (IBTSWG), 2024, Archimer (Ifremer)

The frequent co-authors collaborating with Kenneth R. Ludwig are:

  • Hermann Neumann (3 collaborations)
  • Pia Schuchert (2 collaborations)
  • Arnaud Auber (2 collaborations)
  • Francisco Baldó (2 collaborations)
  • Finlay Burns (2 collaborations)

The scientist's work has primarily appeared in the following publication venues:

  • Archimer (Ifremer)
  • SSRN Electronic Journal

The main subfield of study for Ludwig's research includes Automotive Engineering. Their research has a notable focus on topics related to Vehicle emissions and performance.

Best Publications

  • On the Treatment of Concordant Uranium-Lead Ages

    Kenneth R. Ludwig

  • A test for systematic errors in 40Ar/39Ar geochronology through comparison with U/Pb analysis of a 1.1-Ga rhyolite

    Kyoungwon Min;Roland Mundil;Paul R. Renne;Paul R. Renne;Kenneth R. Ludwig

  • Joint determination of 40K decay constants and 40Ar∗/40K for the Fish Canyon sanidine standard, and improved accuracy for 40Ar/39Ar geochronology

    Paul R. Renne;Paul R. Renne;Roland Mundil;Greg Balco;Greg Balco;Kyoungwon Min

  • Calculation of uncertainties of U-Pb isotope data

    Kenneth R. Ludwig

  • Response to the comment by W.H. Schwarz et al. on “Joint determination of 40K decay constants and 40Ar∗/40K for the Fish Canyon sanidine standard, and improved accuracy for 40Ar/39Ar geochronology” by P.R. Renne et al. (2010)

    Paul R. Renne;Greg Balco;Kenneth R. Ludwig;Roland Mundil

  • Continuous 500,000-year climate record from vein calcite in devils hole, nevada.

    Isaac J. Winograd;Tyler B. Coplen;Jurate M. Landwehr;Alan C. Riggs

  • Age and timing of the Permian mass extinctions: U/Pb dating of closed-system zircons.

    Roland Mundil;Kenneth R. Ludwig;Ian Metcalfe;Paul R. Renne;Paul R. Renne

  • Stratigraphic, chronological and behavioural contexts of Pleistocene Homo sapiens from Middle Awash, Ethiopia.

    J. Desmond Clark;Yonas Beyene;Giday WoldeGabriel;William K. Hart

  • Call for an improved set of decay constants for geochronological use

    F. Begemann;K. R. Ludwig;G. W. Lugmair;K. W. Min

  • Calculation of 230ThU isochrons, ages, and errors

    K.R. Ludwig;D.M. Titterington

  • Duration and Structure of the Past Four Interglaciations

    Isaac J. Winograd;Jurate M. Landwehr;Kenneth R. Ludwig;Tyler B. Coplen

  • Mass-Spectrometric 230Th-234U-238U Dating of the Devils Hole Calcite Vein.

    Kenneth R. Ludwig;Kathleen R. Simmons;Barney J. Szabo;Isaac J. Winograd

  • Refined Proterozoic evolution of the Gawler Craton, South Australia, through U-Pb zircon geochronology

    C.M. Fanning;R.B. Flint;A.J. Parker;K.R. Ludwig

  • Timing of the Permian-Triassic biotic crisis: implications from new zircon U/Pb age data (and their limitations)

    Roland Mundil;Ian Metcalfe;Kenneth R. Ludwig;Paul R. Renne;Paul R. Renne

  • Uranium-series dating of pedogenic silica and carbonate, Crater Flat, Nevada

    K.R. Ludwig;J.B. Paces

  • Dating fluvial terraces by 230Th/U on pedogenic carbonate, Wind River Basin, Wyoming

    Warren D. Sharp;Kenneth R. Ludwig;Oliver A. Chadwick;Ronald Amundson

  • Crustal subsidence rate off Hawaii determined from 234U/238U ages of drowned coral reefs

    K. R. Ludwig;B. J. Szabo;J. G. Moore;K. R. Simmons

  • Hawaii scientific drilling protect: Summary of preliminary results

    D. DePaolo;E. Stolper;D. Thomas;F. Albarede

  • Dating of the basal aurignacian sandwich at Abric Romaní (Catalunya, Spain) by radiocarbon and Uranium-Series

    James L. Bischoff;Kenneth R. Ludwig;Jose Francisco Garcia;E. Carbonell

  • Thorium-230 Ages of Corals and Duration of the Last Interglacial Sea-Level High Stand on Oahu, Hawaii

    Barney J. Szabo;Kenneth R. Ludwig;Daniel R. Muhs;Kathleen R. Simmons

  • for the Fish Canyon sanidine standard, and improved accuracy for 40 Ar/ 39 Ar geochronology

    Paul R. Renne;Roland Mundil;Greg Balco;Kyoungwon Min

Frequent Co-Authors

Paul R. Renne
Paul R. Renne Berkeley Geochronology Center
Roland Mundil
Roland Mundil Berkeley Geochronology Center
James G. Moore
James G. Moore United States Geological Survey
Ronald Amundson
Ronald Amundson University of California, Berkeley
Greg Balco
Greg Balco Berkeley Geochronology Center
Charles W. Naeser
Charles W. Naeser United States Geological Survey
Tyler B. Coplen
Tyler B. Coplen United States Geological Survey
Daniel R. Muhs
Daniel R. Muhs United States Geological Survey
Warren D. Sharp
Warren D. Sharp Berkeley Geochronology Center
Ian Metcalfe
Ian Metcalfe University of New England

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