World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
54
Citations
15109
World Ranking
2636
National Ranking
1098

Kunihiko Nishiizumi 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 Kunihiko Nishiizumi 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: 218 publications — 67th percentile

67% of scientists in this discipline score the same or lower.

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

Kunihiko Nishiizumi 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 Kunihiko Nishiizumi 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: 54 D-Index — 66th percentile

66% of scientists in this discipline score the same or lower.

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

Overview

Kunihiko Nishiizumi is affiliated with the University of California, Berkeley in the United States. Their research primarily spans the fields of Physics and Astronomy and Environmental Science, with significant focus on Astronomy and Astrophysics, Ecology, and Geophysics. Their scholarly work emphasizes several scientific topics including Astro and Planetary Science, Planetary Science and Exploration, Isotope Analysis in Ecology, Geological and Geochemical Analysis, Geology and Paleoclimatology Research, Radioactivity and Radon Measurements, as well as Radioactive contamination and transfer.

Their recent publications feature studies on asteroid Ryugu and carbonaceous chondrites, contributing to the understanding of volatile sources, surface evolution, and parent asteroid materials. Some notable recent papers include:

  • "Noble gases and nitrogen in samples of asteroid Ryugu record its volatile sources and recent surface evolution", 2022, Science
  • "First asteroid gas sample delivered by the Hayabusa2 mission: A treasure box from Ryugu", 2022, Science Advances
  • "The noble gas and nitrogen relationship between Ryugu and carbonaceous chondrites", 2023, Geochimica et Cosmochimica Acta
  • "The nature of the CM parent asteroid regolith based on cosmic ray exposure ages", 2020, Meteoritics and Planetary Science
  • "The variety and origin of materials accreted by Bennu's parent asteroid", 2025, Nature Astronomy

Frequent co-authors in Kunihiko Nishiizumi's works include Marc W. Caffee, H. Busemann, Daniela Krietsch, C. Maden, and Bernard Marty. The collaborative endeavors with these researchers have resulted in multiple publications across high-impact journals.

Their scholarly output is also marked by publications in respected venues such as Science, Science Advances, Geochimica et Cosmochimica Acta, Nature Astronomy, and Meteoritics and Planetary Science.

Best Publications

  • Absolute calibration of 10Be AMS standards

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

  • The soil production function and landscape equilibrium

    Arjun M. Heimsath;William E. Dietrich;Kunihiko Nishiizumi;Robert C. Finkel

  • Geological calibration of spallation production rates in the CRONUS-Earth project

    Brian Borchers;Shasta Marrero;Greg Balco;Marc Caffee

  • Cosmic ray production rates of 10Be and 26Al in quartz from glacially polished rocks

    K. Nishiizumi;E. L. Winterer;C. P. Kohl;J. Klein

  • Preparation of 26Al AMS standards

    Kunihiko Nishiizumi

  • Precise interpolar phasing of abrupt climate change during the last ice age

    Christo Buizert;Betty Adrian;Jinho Ahn;Mary Albert

  • Cosmogenic nuclides, topography, and the spatial variation of soil depth

    Arjun M. Heimsath;William E. Dietrich;Kunihiko Nishiizumi;Robert C. Finkel

  • Cosmic ray produced 10Be and 26Al in Antarctic rocks: exposure and erosion history

    K. Nishiizumi;C.P. Kohl;J.R. Arnold;J. Klein

  • Beryllium 10 concentrations in the Greenland Ice Sheet Project 2 ice core from 3–40 ka

    R. C. Finkel;K. Nishiizumi

  • Stochastic processes of soil production and transport: erosion rates, topographic variation and cosmogenic nuclides in the Oregon Coast Range

    Arjun M. Heimsath;William E. Dietrich;Kunihiko Nishiizumi;Robert C. Finkel

  • Soil production on a retreating escarpment in southeastern Australia

    Arjun M. Heimsath;John Chappell;William E. Dietrich;Kunihiko Nishiizumi

  • A threshold in soil formation at Earth's arid-hyperarid transition

    Stephanie A. Ewing;Brad Sutter;Justine Owen;Kunihiko Nishiizumi

  • Production of 10 Be and 26 Al by cosmic rays in terrestrial quartz in situ and implications for erosion rates

    K. Nishiizumi;D. Lal;J. Klein;R. Middleton

  • The WAIS Divide deep ice core WD2014 chronology - Part 2: Annual-layer counting (0-31 ka BP)

    Michael Sigl;Michael Sigl;Tyler J. Fudge;Mai Winstrup;Jihong Cole-Dai

  • Role of in situ cosmogenic nuclides 10be and 26al in the study of diverse geomorphic processes

    K. Nishiizumi;C. P. Kohl;J. R. Arnold;Ronald Dorn

  • Radar-Enabled Recovery of the Sutter’s Mill Meteorite, a Carbonaceous Chondrite Regolith Breccia

    Peter Jenniskens;Peter Jenniskens;Marc D. Fries;Qing-Zhu Yin;Michael Zolensky

  • Cosmic ray exposure ages of chondrites, pre-irradiation and constancy of cosmic ray flux in the past

    K. Nishiizumi;S. Regnier;K. Marti

  • The CRONUS-Earth Project: A synthesis

    Fred M. Phillips;David C. Argento;Greg Balco;Marc W. Caffee

  • Late Quaternary erosion in southeastern Australia: a field example using cosmogenic nuclides

    Arjun M Heimsath;John Chappell;William E Dietrich;Kunihiko Nishiizumi

  • Remnants of a fossil alluvial fan landscape of Miocene age in the Atacama Desert of northern Chile using cosmogenic nuclide exposure age dating

    K. Nishiizumi;M.W. Caffee;R.C. Finkel;G. Brimhall

  • Holocene monsoonal dynamics and fluvial terrace formation in the northwest Himalaya, India

    Bodo Bookhagen;Dominik Fleitmann;Kunihiko Nishiizumi;Manfred R. Strecker

  • Geomorphologic evidence for the late Pliocene onset of hyperaridity in the Atacama Desert

    Ronald Amundson;William Dietrich;Dino Bellugi;Stephanie Ewing

  • Changes in continental and sea-salt atmospheric loadings in central Greenland during the most recent deglaciation: model-based estimates

    R. B. Alley;R. C. Finkel;K. Nishiizumi;S. Anandakrishnan

  • The 36Cl–36Ar–40K–41K records and cosmic ray production rates in iron meteorites

    B. Lavielle;K. Marti;J.-P. Jeannot;K. Nishiizumi

Frequent Co-Authors

Marc W. Caffee
Marc W. Caffee Purdue University West Lafayette
Rainer Wieler
Rainer Wieler ETH Zurich
Robert C. Finkel
Robert C. Finkel Lawrence Livermore National Laboratory
William E. Dietrich
William E. Dietrich University of California, Berkeley
Michael E. Zolensky
Michael E. Zolensky National Aeronautics and Space Administration
Ronald Amundson
Ronald Amundson University of California, Berkeley
A. J. T. Jull
A. J. T. Jull University of Arizona
Michael A. Velbel
Michael A. Velbel Michigan State University
Keisuke Nagao
Keisuke Nagao University of Tokyo
Hiroshi Hidaka
Hiroshi Hidaka Nagoya University

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