World's Best Scientists 2026 revealed!

D-Index & Metrics

Earth Science

D-Index
69
Citations
13752
World Ranking
1085
National Ranking
108

Robert A. Spicer 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 Robert A. Spicer 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: 183 publications — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Robert A. Spicer 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 Robert A. Spicer 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: 69 D-Index — 87th percentile

87% of scientists in this discipline score the same or lower.

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

Overview

Robert A. Spicer is affiliated with The Open University in the United Kingdom. Their research primarily spans the fields of Agricultural and Biological Sciences and Earth and Planetary Sciences, with significant contributions in related subfields including Ecology, Evolution, Behavior and Systematics, Atmospheric Science, Molecular Biology, Paleontology, and Plant Science.

The scientist's main topics of study encompass Plant Diversity and Evolution, Geology and Paleoclimatology Research, Plant and Fungal Species Descriptions, Plant and Animal Studies, Ecology and Vegetation Dynamics Studies, Geological and Geophysical Studies, and Paleontology and Stratigraphy of Fossils.

They have published extensively in several frequent venues such as Palaeogeography Palaeoclimatology Palaeoecology, Review of Palaeobotany and Palynology, Earth and Planetary Science Letters, Science Advances, and Global and Planetary Change.

Some recent notable publications by Robert A. Spicer include:

  • Why 'the uplift of the Tibetan Plateau' is a myth, 2020, National Science Review
  • Ancient orogenic and monsoon-driven assembly of the world's richest temperate alpine flora, 2020, Science
  • Orographic evolution of northern Tibet shaped vegetation and plant diversity in eastern Asia, 2021, Science Advances
  • A Middle Eocene lowland humid subtropical "Shangri-La" ecosystem in central Tibet, 2020, Proceedings of the National Academy of Sciences
  • The early Eocene rise of the Gonjo Basin, SE Tibet: From low desert to high forest, 2020, Earth and Planetary Science Letters

Frequent collaborators in their research include Tao Su, Zhe-Kun Zhou, Teresa E.V. Spicer, Mahasin Ali Khan, and Paul J. Valdes.

Best Publications

  • Constant elevation of southern Tibet over the past 15 million years

    Robert A. Spicer;Nigel B. W. Harris;Mike Widdowson;Alexei B. Herman

  • Ancient orogenic and monsoon-driven assembly of the world’s richest temperate alpine flora

    Wen-Na Ding;Wen-Na Ding;Richard H. Ree;Robert A. Spicer;Robert A. Spicer;Robert A. Spicer;Yao-Wu Xing;Yao-Wu Xing

  • Quantifying the rise of the Himalaya orogen and implications for the South Asian monsoon

    Lin Ding;R.A. Spicer;R.A. Spicer;Jian Yang;Qiang Xu

  • The Cretaceous World

    Peter W. Skelton;Robert A. Spicer;Simon P. Kelley;Iain Gilmour

  • Why 'the uplift of the Tibetan Plateau' is a myth.

    Robert A Spicer;Robert A Spicer;Robert A Spicer;Tao Su;Tao Su;Paul J Valdes;Alexander Farnsworth

  • No high Tibetan Plateau until the Neogene

    T. Su;T. Su;A. Farnsworth;R. A. Spicer;R. A. Spicer;J. Huang

  • Uplift, climate and biotic changes at the Eocene-Oligocene transition in south-eastern Tibet

    Tao Su;Tao Su;Robert A Spicer;Robert A Spicer;Shi-Hu Li;He Xu

  • Palaeobotanical evidence for a warm Cretaceous Arctic Ocean

    Alexei B. Herman;Robert A. Spicer

  • The Coexistence Approach—Theoretical background and practical considerations of using plant fossils for climate quantification

    T. Utescher;A. A. Bruch;B. Erdei;Louis François

  • The Formation and Interpretation of Plant Fossil Assemblages

    Robert A. Spicer

  • Late Cretaceous-early Tertiary palaeoclimates of northern high latitudes: a quantitative view

    Robert A. Spicer;Judith Totman Parrish

  • The rise and demise of the Paleogene Central Tibetan Valley

    Unknown

  • Late Cretaceous terrestrial vegetation: A near-polar temperature curve

    Judith Totman Parrish;Robert A. Spicer

  • Tibet, the Himalaya, Asian monsoons and biodiversity - In what ways are they related?

    Robert A. Spicer

  • The late Cretaceous environment of the Arctic: A quantitative reassessment based on plant fossils

    Robert A. Spicer;Alexei B. Herman

  • Paleobotanical evidence for cool north polar climates in middle Cretaceous (Albian-Cenomanian) time

    Robert A. Spicer;Judith Totman Parrish

  • A review of terrestrial and marine climates in the Cretaceous with implications for modelling the `Greenhouse Earth'

    Robert A. Spicer;Richard M. Corfield

  • The sorting and deposition of allochthonous plant material in a modern environment at Silwood Lake, Silwood Park, Berkshire, England

    Robert A. Spicer

  • Miocene to Pleistocene floras and climate of the Eastern Himalayan Siwaliks, and new palaeoelevation estimates for the Namling–Oiyug Basin, Tibet

    Mahasin Ali Khan;Robert A. Spicer;Robert A. Spicer;Subir Bera;Ruby Ghosh

  • Plant taphonomic processes

    R. A. Spicer

  • ‘CLAMP Online’: a new web-based palaeoclimate tool and its application to the terrestrial Paleogene and Neogene of North America

    Jian Yang;Robert A. Spicer;Teresa E. V. Spicer;Cheng-Sen Li

Frequent Co-Authors

Zhe-Kun Zhou
Zhe-Kun Zhou Xishuangbanna Tropical Botanical Garden
Paul J. Valdes
Paul J. Valdes University of Bristol
Judith Totman Parrish
Judith Totman Parrish University of Idaho
Lin Ding
Lin Ding Chinese Academy of Sciences
Tao Deng
Tao Deng Institute of Vertebrate Paleontology and Paleoanthropology
David W. Jolley
David W. Jolley University of Aberdeen
Jia Liu
Jia Liu Tsinghua University
Mike Widdowson
Mike Widdowson University of Hull
Simon P. Kelley
Simon P. Kelley University of Leeds
Alice C. Hughes
Alice C. Hughes University of Melbourne

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