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2026

John Southon 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 John Southon 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.

John Southon 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 John Southon 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.

Research.com Recognitions

  • 2026 - Research.com Earth Science in United States Leader Award
  • 2025 - Research.com Earth Science in United States Leader Award

Overview

John Southon is affiliated with the University of California, Irvine in the United States. Their research spans multiple fields and topics primarily within Earth and Planetary Sciences and Environmental Science.

The main fields of study for John Southon include:

  • Earth and Planetary Sciences
  • Environmental Science

Within these broader areas, their work also touches on several specialized subfields:

  • Atmospheric Science
  • Ecology
  • Paleontology
  • Anthropology
  • Genetics

The primary research topics John Southon focuses on comprise:

  • Geology and Paleoclimatology Research
  • Archaeology and ancient environmental studies
  • Pleistocene-Era Hominins and Archaeology
  • Isotope Analysis in Ecology
  • Wildlife Ecology and Conservation
  • Methane Hydrates and Related Phenomena
  • Genetic diversity and population structure

John Southon's publications appear frequently in several scientific journals and conference programs, including:

  • Radiocarbon
  • Abstracts with programs - Geological Society of America
  • Science Advances
  • Quaternary Science Reviews
  • Science

Some notable recent papers featuring John Southon's contributions are:

  • The IntCal20 Northern Hemisphere Radiocarbon Age Calibration Curve (2020), published in Radiocarbon
  • SHCal20 Southern Hemisphere Calibration, 0-55,000 Years cal BP (2020), published in Radiocarbon
  • The origins and spread of domestic horses from the Western Eurasian steppes (2021), published in Nature
  • Estimating US fossil fuel CO 2 emissions from measurements of 14 C in atmospheric CO 2 (2020), published in Proceedings of the National Academy of Sciences
  • Female hunters of the early Americas (2020), published in Science Advances

The scientist collaborates frequently with a consistent group of coauthors, which include:

  • Emily Lindsey
  • Beth Shapiro
  • Stéphanie Schiavinato
  • Loreleï Chauvey
  • Andaine Seguin-Orlando

Best Publications

  • IntCal13 and Marine13 radiocarbon age calibration curves 0-50,000 years cal BP

    Paula J Reimer;Edouard Bard;Alex Bayliss;J Warren Beck

  • The IntCal20 Northern Hemisphere Radiocarbon Age Calibration Curve (0-55 cal kBP)

    Paula J Reimer;William E N Austin;Edouard Bard;Alex Bayliss

  • IntCal04 terrestrial radiocarbon age calibration, 0-26 cal kyr BP

    Paula J. Reimer;Mike G.L. Baillie;Edouard Bard;Alex Bayliss

  • IntCal09 and Marine09 Radiocarbon Age Calibration Curves, 0–50,000 Years cal BP

    Unknown

  • Absolute calibration of 10Be AMS standards

    Kunihiko Nishiizumi;Mineo Imamura;Marc W. Caffee;John R. Southon

  • Forcing of the cold event of 8,200 years ago by catastrophic drainage of Laurentide lakes

    Donald C. Barber;Arthur S. Dyke;Claude Hillaire-Marcel;Anne E. Jennings

  • Marine04 marine radiocarbon age calibration, 0-26 cal kyr BP

    Konrad A Hughen;Mike G L Baillie;Edouard Bard;J Warren Beck

  • SHCal20 Southern Hemisphere Calibration, 0–55,000 Years cal BP

    Alan G. Hogg;Alan G. Hogg;Timothy J. Heaton;Quan Hua;Jonathan G. Palmer

  • Marine Reservoir Corrections for the Indian Ocean and Southeast Asia

    John Southon;Michaele Kashgarian;Michel Fontugne;Bernard Metivier

  • Abrupt onset of the Little Ice Age triggered by volcanism and sustained by sea‐ice/ocean feedbacks

    Gifford H. Miller;Gifford H. Miller;Áslaug Geirsdóttir;Yafang Zhong;Darren J. Larsen;Darren J. Larsen

  • 14C activity and global carbon cycle changes over the past 50,000 years.

    K. Hughen;S. Lehman;J. Southon;J. Overpeck

  • Volcanism and deformation since 12,000 years at the Campi Flegrei caldera (Italy)

    M.A Di Vito;R Isaia;G Orsi;J Southon

  • Forest-killing diffuse CO2 emission at Mammoth Mountain as a sign of magmatic unrest

    C.D. Farrar;M.L. Sorey;William C. Evans;J.F. Howle

  • Synchronous radiocarbon and climate shifts during the last deglaciation.

    Konrad A. Hughen;John R. Southon;Scott J. Lehman;Jonathan T. Overpeck

  • Deglacial changes in ocean circulation from an extended radiocarbon calibration

    Konrad A. Hughen;Konrad A. Hughen;Jonathan T. Overpeck;Jonathan T. Overpeck;Scott J. Lehman;Michaele Kashgarian

  • The origins and spread of domestic horses from the Western Eurasian steppes.

    Pablo Librado;Naveed Khan;Naveed Khan;Antoine Fages;Mariya A. Kusliy

  • Carbon-14 in methane sources and in atmospheric methane: the contribution from fossil carbon.

    M. Wahlen;N. Tanaka;R. Henry;B. Deck

  • Marine-derived 14C calibration and activity record for the past 50,000 years updated from the Cariaco Basin

    Konrad A. Hughen;John R. Southon;Scott J. Lehman;Chanda J. H. Bertrand

  • Radiocarbon Variability in the Western North Atlantic During the Last Deglaciation

    Laura F. Robinson;Jess F. Adkins;Lloyd D. Keigwin;John Southon

  • Reservoir Ages in Eastern Pacific Coastal and Estuarine Waters

    B. Lynn Ingram;John R. Southon

  • Ultra small-mass AMS 14C sample preparation and analyses at KCCAMS/UCI Facility

    G.M. Santos;J.R. Southon;S. Griffin;S.R. Beaupre

  • Marine04 Marine radiocarbon age calibration, 26 ? 0 ka BP

    K Hughen;M Baille;E Bard;J Beck

Frequent Co-Authors

Scott J. Lehman
Scott J. Lehman Institute of Arctic and Alpine Research
John B. Miller
John B. Miller National Oceanic and Atmospheric Administration
Guaciara M. Santos
Guaciara M. Santos University of California, Irvine
Alan G. Hogg
Alan G. Hogg University of Waikato
Konrad A Hughen
Konrad A Hughen Woods Hole Oceanographic Institution
Hendrik N. Poinar
Hendrik N. Poinar McMaster University
Ross D. E. MacPhee
Ross D. E. MacPhee American Museum of Natural History
Hai Cheng
Hai Cheng Xi'an Jiaotong University
Grant D. Zazula
Grant D. Zazula Simon Fraser University
Bernd Kromer
Bernd Kromer Heidelberg University

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