World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
48
Citations
7957
World Ranking
5578
National Ranking
427

Ralf Toumi 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 Ralf Toumi 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: 196 publications — 63rd percentile

63% of scientists in this discipline score the same or lower.

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

Ralf Toumi 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 Ralf Toumi 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: 48 D-Index — 44th percentile

44% of scientists in this discipline score the same or lower.

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

Overview

Ralf Toumi is a researcher based at Imperial College London in the United Kingdom. Their work spans broadly within Earth and Planetary Sciences and Environmental Science, with a focus on subfields including Atmospheric Science, Global and Planetary Change, Oceanography, Health, Toxicology and Mutagenesis, and Earth-Surface Processes.

The main research topics covered by Toumi involve Tropical and Extratropical Cyclones Research, Climate Variability and Models, Ocean Waves and Remote Sensing, Meteorological Phenomena and Simulations, Flood Risk Assessment and Management, Coastal and Marine Dynamics, and Climate Change and Health Impacts.

Recent significant papers by Toumi include the following:

  • "Recent migration of tropical cyclones toward coasts" (2021) published in Science
  • "Anomalously warm temperatures are associated with increased injury deaths" (2020) published in Nature Medicine
  • "Global increase in tropical cyclone ocean surface waves" (2024) published in Nature Communications
  • "Recent increases in tropical cyclone rapid intensification events in global offshore regions" (2023) published in Nature Communications
  • "Compound flood impact of water level and rainfall during tropical cyclone periods in a coastal city: the case of Shanghai" (2022) published in Natural Hazards and Earth System Sciences

Throughout their career, Toumi has frequently collaborated with several co-authors, including:

  • Shuai Wang
  • Nathan Sparks
  • Robbie M. Parks
  • Xiangbo Feng

The researcher has contributed extensively to multiple scientific venues, notably:

  • Geophysical Research Letters
  • Zenodo (CERN European Organization for Nuclear Research)
  • Atmospheric Science Letters
  • Scientific Reports
  • Quarterly Journal of the Royal Meteorological Society

Toumi's scholarly output reflects a strong emphasis on understanding the dynamics and impacts of tropical cyclones, including their migration patterns, oceanic interactions, and intensification trends. Additionally, they have engaged in topics linking environmental events to public health outcomes.

Best Publications

  • The relationship between leaf area index and microclimate in tropical forest and oil palm plantation: forest disturbance drives changes in microclimate.

    Stephen R. Hardwick;Ralf Toumi;Marion Pfeifer;Edgar C. Turner

  • An influence of solar spectral variations on radiative forcing of climate

    Joanna D. Haigh;Ann R. Winning;Ralf Toumi;Jerald W. Harder

  • Ice nucleation on soot particles

    B Gorbunov;A Baklanov;N Kakutkina;H.L Windsor

  • A fundamental probability distribution for heavy rainfall

    P. S. Wilson;R. Toumi

  • Lightning activity as an indicator of climate change

    N. Reeve;R. Toumi

  • Carbon aerosols and atmospheric photochemistry

    D. J. Lary;A. M. Lee;R. Toumi;M. J. Newchurch

  • Recent migration of tropical cyclones toward coasts

    Shuai Wang;Ralf Toumi

  • The "Ozone Deficit" Problem: O2(X, v ≥ 26) + O(3P) from 226-nm Ozone Photodissociation

    R. L. Miller;A. G. Suits;P. L. Houston;R. Toumi

  • Climate projections: Past performance no guarantee of future skill?

    C. Reifen;R. Toumi

  • Heterogeneous atmospheric bromine chemistry

    D. J. Lary;M. P. Chipperfield;R. Toumi;T. Lenton

  • Trends in stratospheric humidity and the sensitivity of ozone to these trends

    Simon J. Evans;Ralf Toumi;John E. Harries;Martyn R. Chipperfield

  • Some doubts concerning a link between cosmic ray fluxes and global cloudiness

    Simon C. Kernthaler;Ralf Toumi;Joanna D. Haigh

  • Anomalously warm temperatures are associated with increased injury deaths

    Robbie M. Parks;James E. Bennett;Helen Tamura-Wicks;Vasilis Kontis

  • Reducing the climate change impacts of aviation by restricting cruise altitudes

    Victoria Williams;Robert B. Noland;Ralf Toumi

  • Lightning activities on the Tibetan Plateau as observed by the lightning imaging sensor

    Xiushu Qie;Xiushu Qie;Ralf Toumi;Tie Yuan

  • The role of microphysical and chemical processes in prolonging the climate forcing of the Toba Eruption

    S. Bekki;J. A. Pyle;W. Zhong;R. Toumi

  • Carbonaceous aerosols and their potential role in atmospheric chemistry

    DJ Lary;Dudley E Shallcross;R Toumi

  • BrO as a sink for dimethylsulphide in the marine atmosphere

    Ralf Toumi

  • SCALING AND PERSISTENCE OF UK POLLUTION

    H.L. Windsor;R. Toumi

  • Super‐Clausius–Clapeyron scaling of rainfall in a model squall line

    Andrew Singleton;Ralf Toumi

Frequent Co-Authors

Slimane Bekki
Slimane Bekki Sorbonne University
John A. Pyle
John A. Pyle University of Cambridge
Joanna D. Haigh
Joanna D. Haigh Imperial College London
Robert B. Noland
Robert B. Noland Rutgers, The State University of New Jersey
Matthew Rigby
Matthew Rigby University of Bristol
Martyn P. Chipperfield
Martyn P. Chipperfield University of Leeds
Majid Ezzati
Majid Ezzati Imperial College London
Bruce T. Anderson
Bruce T. Anderson Boston University
Paul L. Houston
Paul L. Houston Cornell University
Tomohiro Oda
Tomohiro Oda Universities Space Research Association

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