World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
45
Citations
7878
World Ranking
6398
National Ranking
500

Alan O'Neill 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 Alan O'Neill 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: 120 publications — 24th percentile

24% of scientists in this discipline score the same or lower.

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

Alan O'Neill 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 Alan O'Neill 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: 45 D-Index — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Research.com Recognitions

  • 1998 - Member of Academia Europaea

Overview

Alan O'Neill is affiliated with the University of Reading in the United Kingdom. Their research primarily lies in the fields of Medicine and Biochemistry, Genetics and Molecular Biology, with a particular focus on Molecular Biology, Atmospheric Science, Dermatology, Immunology, and Pulmonary and Respiratory Medicine.

Their recent publications cover a variety of topics including gut microbiota, skin diseases, immune response, lung cancer treatments, cellular signaling pathways, and climate variability. Notable papers include:

  • Dermal injury drives a skin to gut axis that disrupts the intestinal microbiome and intestinal immune homeostasis in mice, 2024, Nature Communications
  • Duvelisib with Docetaxel for Patients with Anti-PD-1 Refractory, Recurrent, or Metastatic Head and Neck Squamous Cell Carcinoma, 2024, Clinical Cancer Research
  • Early 21st Century cyclone climatology: a 3D perspective.Basic Characterization, 2021, International Journal of Climatology
  • Regulation of Epidermal Ferritin Expression Influences Systemic Iron Homeostasis, 2023, Journal of Investigative Dermatology
  • Elraglusib, a Glycogen Synthase Kinase 3β Inhibitor, plus Chemotherapy with or without Immunotherapy in Patients with Recurrent, Metastatic Salivary Gland Carcinoma, 2025, Clinical Cancer Research

Frequent co-authors collaborating with Alan O'Neill include:

  • Kellen Cavagnero
  • Richard L. Gallo
  • Glenn J. Hanna
  • Kee-Young Shin
  • Nicole Scarfo

Their research has appeared multiple times in publication venues such as:

  • Clinical Cancer Research
  • Nature Communications
  • International Journal of Climatology
  • Journal of Investigative Dermatology

Alan O'Neill's work engages with several scientific topics, including:

  • Gut microbiota and health
  • Dermatology and Skin Diseases
  • Immune Response and Inflammation
  • Lung Cancer Treatments and Mutations
  • PI3K/AKT/mTOR signaling in cancer
  • Lung Cancer Research Studies
  • Climate variability and models

In recognition of their contributions, Alan O'Neill was named a Member of the Academia Europaea in 1998.

Best Publications

  • A Stratosphere-Troposphere Data Assimilation System

    Richard Swinbank;Alan O'Neill

  • Stratospheric memory and skill of extended-range weather forecasts

    Mark P. Baldwin;David B. Stephenson;David W. J. Thompson;Timothy J. Dunkerton

  • Stratospheric Temperature Changes: Observations and Model Simulations

    V. Ramaswamy;M.-L. Chanin;J. Angell;J. Barnett

  • On the motion of air through the stratospheric polar vortex

    G. L. Manney;R. W. Zurek;A. O'Neill;R. Swinbank

  • Improved Atlantic winter blocking in a climate model

    Adam A. Scaife;Dan Copsey;Chris Gordon;Chris Harris

  • Chemical depletion of ozone in the Arctic lower stratosphere during winter 1992–93

    G. L. Manney;L. Froidevaux;J. W. Waters;R. W. Zurek

  • The GCM–Reality Intercomparison Project for SPARC (GRIPS): Scientific Issues and Initial Results

    Steven Pawson;Steven Pawson;Steven Pawson;K. Kodera;K. Hamilton;T. G. Shepherd

  • High-Resolution Stratospheric Tracer Fields Estimated from Satellite Observations Using Lagrangian Trajectory Calculations

    Rowan T. Sutton;Hector Maclean;Richard Swinbank;Alan O'Neill

  • A mechanism for moistening the lower stratosphere involving the Asian summer monsoon

    A. Dethof;A. O'Neill;J. M. Slingo;H. G. J. Smit

  • On the existence of multiple climate regimes

    D. B. Stephenson;A. Hannachi;A. O'Neill

  • Global QBO Circulation Derived from UKMO Stratospheric Analyses

    William J. Randel;Fei Wu;Richard Swinbank;John Nash

  • The Climate-system Historical Forecast Project: do stratosphere-resolving models make better seasonal climate predictions in boreal winter?

    Amy H. Butler;Amy H. Butler;Alberto Arribas;Maria Athanassiadou;Johanna Baehr

  • Rapid descent of mesospheric air into the stratospheric polar vortex

    Michael Fisher;Alan O'Neill;Rowan Sutton

  • Atmospheric Data Assimilation

    Unknown

  • Sensitivity of tropospheric forecasts to stratospheric initial conditions

    Andrew James Charlton;A. Oneill;W.A. Lahoz;A.C. Massacand

  • Comparison of U.K. Meteorological Office and U.S. National Meteorological Center stratospheric analyses during northern and southern winter

    G. L. Manney;R. Swinbank;S. T. Massie;M. E. Gelman

  • The Splitting of the Stratospheric Polar Vortex in the Southern Hemisphere, September 2002: Dynamical Evolution

    Andrew James Charlton;Alan O’Neill;William A. Lahoz;Paul Berrisford

  • Evaluation of reanalysis rainfall estimates over Ethiopia.

    G. T. Diro;D. I. F. Grimes;E. Black;A. O'Neill

  • Isentropic Mass Exchange between the Tropics and Extratropics in the Stratosphere

    Ping Chen;James R. Holton;Alan O'Neill;Richard Swinbank

  • The role of the south-east Asian monsoon and other seasonal features in creating the 'tape-recorder' signal in the Unified Model

    R. N. Bannister;A. O'neill;A. R. Gregory;K. M. Nissen

  • Quantification of the isentropic mass transport across the dynamical tropopause

    Antje Dethof;Alan O'Neill;Julia Slingo

Frequent Co-Authors

William Lahoz
William Lahoz Norwegian Institute for Air Research
Richard W. Zurek
Richard W. Zurek Jet Propulsion Lab
Joe W. Waters
Joe W. Waters Jet Propulsion Lab
Lucien Froidevaux
Lucien Froidevaux California Institute of Technology
Gloria L. Manney
Gloria L. Manney Northwest Research Associates
Aidan E. Roche
Aidan E. Roche Advanced Technology Center
David B. Stephenson
David B. Stephenson University of Exeter
Adam A. Scaife
Adam A. Scaife Met Office
William G. Read
William G. Read California Institute of Technology

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