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David K. Loydell 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 David K. Loydell 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+

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

David K. Loydell 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 David K. Loydell 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+

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

Overview

David K. Loydell is affiliated with the University of Portsmouth in the United Kingdom and has a research focus primarily in Earth and Planetary Sciences. Their work spans several subfields including Paleontology, Atmospheric Science, Geochemistry and Petrology, Mechanics of Materials, and Geophysics.

Loydell's research topics cover a range of geological and geochemical areas, with notable emphasis on Paleontology and Stratigraphy of Fossils, Geology and Paleoclimatology Research, and Geochemistry and Elemental Analysis. Additional areas include Hydrocarbon exploration and reservoir analysis, Geological and Geochemical Analysis, Radioactive element chemistry and processing, and Geochemistry and Geologic Mapping.

Recent publications by Loydell include the following papers:

  • Persistent global marine euxinia in the early Silurian, 2020, Nature Communications
  • A long-term record of early to mid-Paleozoic marine redox change, 2021, Science Advances
  • Uranium Isotope Fractionation in Non-sulfidic Anoxic Settings and the Global Uranium Isotope Mass Balance, 2020, Global Biogeochemical Cycles
  • The Sedimentary Geochemistry and Paleoenvironments Project, 2021, Geobiology
  • Sustained increases in atmospheric oxygen and marine productivity in the Neoproterozoic and Palaeozoic eras, 2024, Nature Geoscience

Frequent coauthors in their work include Devon B. Cole, Richard Stockey, Erik A. Sperling, Simon W. Poulton, and Noah J. Planavsky.

Loydell publishes regularly in a variety of scientific venues, with multiple contributions to Earth and Planetary Science Letters, Journal of the Geological Society, Bulletin of Geosciences, and Abstracts with programs - Geological Society of America. They have also published in Nature Communications.

Best Publications

  • Lower Silurian `hot shales' in North Africa and Arabia: regional distribution and depositional model

    S Lüning;J Craig;D.K Loydell;P Štorch

  • Early Silurian sea-level changes

    David K. Loydell

  • Revised correlation of Silurian Provincial Series of North America with global and regional chronostratigraphic units and delta 13C(carb) chemostratigraphy

    Bradley D. Cramer;Carlton E. Brett;Michael J. Melchin;Peep Männik

  • Graptolites in British stratigraphy

    J. A. Zalasiewicz;L. Taylor;A. W. A. Rushton;D. K. Loydell

  • Integrated biostratigraphy of the lower Silurian of the Aizpute-41 core, Latvia

    David Loydell;P. Mannik;V. Nestor

  • Anatomy of a world-class source rock: Distribution and depositional model of Silurian organic-rich shales in Jordan and implications for hydrocarbon potential

    S. Lüning;Y. M. Shahin;D. Loydell;H. T. Al-Rabi

  • Early Silurian positive δ13C excursions and their relationship to glaciations, sea‐level changes and extinction events

    David K. Loydell

  • Graptolite biozone correlation charts

    David Loydell

  • Integrated biostratigraphy of the Lower Silurian of the Ohesaare Core, Saaremaa, Estonia

    D. K. Loydell;D. Kaljo;P. Mannik

  • Testing the limits of Paleozoic chronostratigraphic correlation via high-resolution (<500 k.y.) integrated conodont, graptolite, and carbon isotope (δ13Ccarb) biochemostratigraphy across the Llandovery–Wenlock (Silurian) boundary: Is a unified Phanerozoic time scale achievable?

    Bradley D. Cramer;David K. Loydell;Christian Samtleben;Axel Munnecke

  • Palaeoecology of the Graptoloidea

    R. A. Cooper;S. Rigby;David Loydell;Denis E. B. Bates

  • Discovery of Llandovery (Silurian) graptolites and probable Devonian corals in the Southalpine Metamorphic Basement of the Eastern Alps (Agordo, NE Italy)

    Iginio Dieni;Danilo Giordano;David K. Loydell;Francesco P. Sassi

  • Persistent global marine euxinia in the early Silurian.

    Richard G. Stockey;Devon B. Cole;Noah J. Planavsky;David K. Loydell

  • Generalized graptolite zonal sequence defining Silurian time intervals for global paleogeographic studies

    Tatyana N. Koren;Alfred C. Lenz;David K. Loydell;Michael J. Melchin

  • Integrated biostratigraphy of the lower Silurian of the Kolka-54 core, Latvia

    David Loydell;V. Nestor;P. Mannik

  • Re-evaluation of the petroleum potential of the Kufra Basin (SE Libya, ne Chad): does the source rock barrier fall?

    Sebastian Lüning;Jonathan Craig;Bill Fitches;Juma Mayouf

  • A long-term record of early to mid-Paleozoic marine redox change.

    Erik A. Sperling;Michael J. Melchin;Tiffani Fraser;Richard G. Stockey

  • Reconstruction of the original organic richness in weathered Silurian shale outcrops (Murzuq and Kufra basins, southern Libya)

    Sebastian Lüning;Sadat Kolonic;David K. Loydell;Jonathan Craig

  • The middle Rhuddanian (lower Silurian) ‘hot’ shale of North Africa and Arabia: an atypical hydrocarbon source rock

    David K. Loydell;Anthony Butcher;Jiří Frýda

  • PROTASPID LARVAE AND PHYLOGENETICS OF ENCRINURID TRILOBITES

    Gregory D. Edgecombe;Stephen E. Speyer;Brian D. E. Chatterton

  • Uranium Isotope Fractionation in Non-sulfidic Anoxic Settings and the Global Uranium Isotope Mass Balance

    Devon B. Cole;Noah J. Planavsky;Martha Longley;Philipp Böning

  • The biostratigraphy and formational relationships of the upper aeronian and lower telychian (llandovery, silurian) formations of western mid‐wales

    David K. Loydell

Frequent Co-Authors

Erik A. Sperling
Erik A. Sperling Stanford University
Jonathan Craig
Jonathan Craig Eni (Italy)
Noah J. Planavsky
Noah J. Planavsky Yale University
Michael J. Melchin
Michael J. Melchin St. Francis Xavier University
Justin V. Strauss
Justin V. Strauss Dartmouth College
David Selby
David Selby Durham University
Jan Zalasiewicz
Jan Zalasiewicz University of Leicester
Benjamin C. Gill
Benjamin C. Gill Virginia Tech
Axel Munnecke
Axel Munnecke University of Erlangen-Nuremberg
Philip A.E. Pogge von Strandmann
Philip A.E. Pogge von Strandmann Johannes Gutenberg University of Mainz

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