World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
43
Citations
14186
World Ranking
6923
National Ranking
2464

Robert A. Tomas publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Robert A. Tomas sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 74 publications — 3rd percentile

3% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Robert A. Tomas D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Robert A. Tomas sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 43 D-Index — 29th percentile

29% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

Overview

Robert A. Tomas is affiliated with the National Center for Atmospheric Research in the United States. Their research primarily spans the fields of Earth and Planetary Sciences and Environmental Science, with significant work in associated subfields including Atmospheric Science, Global and Planetary Change, Oceanography, Ecology, and Paleontology.

The scientist's main topics of work include:

  • Geology and Paleoclimatology Research
  • Climate variability and models
  • Cryospheric studies and observations
  • Climate change and permafrost
  • Oceanographic and Atmospheric Processes
  • Atmospheric and Environmental Gas Dynamics
  • Isotope Analysis in Ecology

Frequent coauthors of Robert A. Tomas are:

  • Bette L. Otto-Bliesner
  • Esther C. Brady
  • Pascale Braconnot
  • Weipeng Zheng
  • Qiong Zhang

Publications appear regularly in several venues, including:

  • Climate of the Past
  • Science Advances
  • Paleoceanography and Paleoclimatology
  • Geophysical Research Letters
  • Nature Communications

Notable recent papers by Robert A. Tomas include:

  • Large-scale features and evaluation of the PMIP4-CMIP6 midHolocene simulations, 2020, Climate of the Past
  • Hydroclimate footprint of pan-Asian monsoon water isotope during the last deglaciation, 2021, Science Advances
  • Large-scale features of Last Interglacial climate: results from evaluating the lig127k simulations for the Coupled Model Intercomparison Project (CMIP6)-Paleoclimate Modeling Intercomparison Project (PMIP4), 2021, Climate of the Past
  • A multi-model CMIP6-PMIP4 study of Arctic sea ice at 127 ka: sea ice data compilation and model differences, 2021, Climate of the Past
  • Abrupt Heinrich Stadial 1 cooling missing in Greenland oxygen isotopes, 2021, Science Advances

Best Publications

  • Monsoons: Processes, predictability, and the prospects for prediction

    P. J. Webster;V. O. Magaña;T. N. Palmer;J. Shukla

  • Transient Simulation of Last Deglaciation with a New Mechanism for Bølling-Allerød Warming

    Z. Liu;B. L. Otto-Bliesner;F. He;E. C. Brady

  • Last Glacial Maximum and Holocene Climate in CCSM3

    Bette L. Otto-Bliesner;Esther C. Brady;Gabriel Clauzet;Robert Tomas

  • The Seasonal Atmospheric Response to Projected Arctic Sea Ice Loss in the Late Twenty-First Century

    Clara Deser;Robert Tomas;Michael Alexander;David Lawrence

  • Solar influence on climate during the past millennium: Results from transient simulations with the NCAR Climate System Model

    Caspar M. Ammann;Fortunat Joos;David S. Schimel;Bette L. Otto-Bliesner

  • The Atmospheric Response to Three Decades of Observed Arctic Sea Ice Loss

    James A. Screen;Ian Simmonds;Clara Deser;Robert Tomas

  • ENSO and Pacific Decadal Variability in the Community Climate System Model Version 4

    Clara Deser;Adam S. Phillips;Robert A. Tomas;Yuko M. Okumura

  • The Transient Atmospheric Circulation Response to North Atlantic SST and Sea Ice Anomalies

    Clara Deser;Robert A. Tomas;Shiling Peng

  • A new synoptic scale resolving global climate simulation using the Community Earth System Model

    R. Justin Small;Julio Bacmeister;David Bailey;Allison Baker

  • Accelerated Arctic land warming and permafrost degradation during rapid sea ice loss

    David M. Lawrence;Andrew G. Slater;Robert A. Tomas;Marika M. Holland

  • The Role of Ocean–Atmosphere Coupling in the Zonal-Mean Atmospheric Response to Arctic Sea Ice Loss

    Clara Deser;Robert A. Tomas;Lantao Sun

  • Mechanisms of Stratospheric and Tropospheric Circulation Response to Projected Arctic Sea Ice Loss

    Lantao Sun;Clara Deser;Robert A. Tomas

  • Atmospheric impacts of Arctic sea-ice loss, 1979–2009: separating forced change from atmospheric internal variability

    James A. Screen;James A. Screen;Clara Deser;Ian Simmonds;Robert Tomas

  • The Connected Isotopic Water Cycle in the Community Earth System Model Version 1

    E. Brady;S. Stevenson;D. Bailey;Z. Liu

  • Impact of ocean model resolution on CCSM climate simulations

    Ben P. Kirtman;Cecilia Bitz;Frank Bryan;William Collins

  • The PMIP4 Contribution to CMIP6-Part 4: Scientific Objectives and Experimental Design of the PMIP4-CMIP6 Last Glacial Maximum Experiments and PMIP4 Sensitivity Experiments

    Masa Kageyama;Samuel Albani;Pascale Braconnot;Sandy P Harrison

  • Frontal scale air-sea interaction in high-resolution coupled climate models

    Frank O. Bryan;Robert Tomas;John M. Dennis;Dudley B. Chelton

  • Does ocean coupling matter for the northern extratropical response to projected Arctic sea ice loss

    Clara Deser;Lantao Sun;Robert A. Tomas;James A. Screen

  • Hydroclimate footprint of pan-Asian monsoon water isotope during the last deglaciation

    C. He;C. He;Z. Liu;Z. Liu;B. L. Otto-Bliesner;E.C. Brady

  • The role of inertial instability in determining the location and strength of near‐equatorial convection

    Robert A. Tomas;Peter J. Webster

  • Large-scale features and evaluation of the PMIP4-CMIP6 midHolocene simulations

    Chris M. Brierley;Anni Zhao;Sandy P. Harrison;Pascale Braconnot

  • The PMIP4 contribution to CMIP6 -- Part 4: Scientific objectives and experimental design of the PMIP4-CMIP6 Last Glacial Maximum experiments and PMIP4 sensitivity experiments (in open review for Geoscientific Model Development - doi:10.5194/gmd-2017-18)

    M. Kageyama;S. Albani;P. Braconnot;S. P. Harrison

Frequent Co-Authors

Bette L. Otto-Bliesner
Bette L. Otto-Bliesner National Center for Atmospheric Research
Esther C. Brady
Esther C. Brady National Center for Atmospheric Research
Clara Deser
Clara Deser National Center for Atmospheric Research
Zhengyu Liu
Zhengyu Liu The Ohio State University
Kerim H. Nisancioglu
Kerim H. Nisancioglu University of Bergen
Frank O. Bryan
Frank O. Bryan National Center for Atmospheric Research
Michael A. Alexander
Michael A. Alexander National Oceanic and Atmospheric Administration
David Noone
David Noone University of Auckland
Ayako Abe-Ouchi
Ayako Abe-Ouchi University of Tokyo
Gerrit Lohmann
Gerrit Lohmann University of Bremen

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