World's Best Scientists 2026 revealed!

D-Index & Metrics

Chemistry

D-Index
104
Citations
44047
World Ranking
1035
National Ranking
410

A. R. Ravishankara publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where A. R. Ravishankara sits on this spectrum.

61–80 publications: 66 scientists 81–100 publications: 302 scientists 101–120 publications: 623 scientists 121–140 publications: 918 scientists 141–160 publications: 1,218 scientists 161–180 publications: 1,350 scientists 181–200 publications: 1,344 scientists 201–220 publications: 1,281 scientists 221–240 publications: 1,216 scientists 241–260 publications: 1,100 scientists 261–280 publications: 979 scientists 281–300 publications: 939 scientists 301–320 publications: 764 scientists 321–340 publications: 643 scientists 341–360 publications: 628 scientists 361–380 publications: 522 scientists 381–400 publications: 459 scientists 401–420 publications: 397 scientists 421–440 publications: 327 scientists 441–460 publications: 270 scientists 461–480 publications: 265 scientists 481–500 publications: 252 scientists 501–520 publications: 201 scientists 521–540 publications: 185 scientists 541–560 publications: 148 scientists 561–580 publications: 148 scientists 581–600 publications: 132 scientists 601–620 publications: 114 scientists 621–640 publications: 104 scientists 641–660 publications: 91 scientists 661–680 publications: 92 scientists 681–700 publications: 73 scientists 701–720 publications: 57 scientists 721–740 publications: 54 scientists 741–760 publications: 67 scientists 761–780 publications: 45 scientists 781–800 publications: 46 scientists 801–820 publications: 39 scientists 821–840 publications: 32 scientists 841–860 publications: 36 scientists 861–880 publications: 29 scientists 881–900 publications: 26 scientists 901–920 publications: 24 scientists 921–940 publications: 14 scientists 941–960 publications: 23 scientists 961–980 publications: 28 scientists 981–1,000 publications: 15 scientists 1,001–1,020 publications: 29 scientists 1,021–1,040 publications: 12 scientists 1,041–1,060 publications: 19 scientists 1,061–1,080 publications: 12 scientists 1,081–1,100 publications: 6 scientists 1,101–1,120 publications: 8 scientists 1,121–1,140 publications: 12 scientists 1,141–1,160 publications: 5 scientists 1,161–1,180 publications: 6 scientists 1,181–1,200 publications: 14 scientists 1,201–1,220 publications: 7 scientists 1,221–1,240 publications: 2 scientists 1,241–1,260 publications: 6 scientists 1,261–1,280 publications: 4 scientists 1,281–1,294 publications: 6 scientists 1,295+ publications: 100 scientists
61 publications 1,295+

This scientist: 455 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 1,295 publications or more.

A. R. Ravishankara D-index placement in Chemistry in 2026

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

40–41 D-Index: 289 scientists 42–43 D-Index: 612 scientists 44–45 D-Index: 808 scientists 46–47 D-Index: 776 scientists 48–49 D-Index: 835 scientists 50–51 D-Index: 861 scientists 52–53 D-Index: 872 scientists 54–55 D-Index: 933 scientists 56–57 D-Index: 1,051 scientists 58–59 D-Index: 930 scientists 60–61 D-Index: 882 scientists 62–63 D-Index: 834 scientists 64–65 D-Index: 731 scientists 66–67 D-Index: 775 scientists 68–69 D-Index: 683 scientists 70–71 D-Index: 646 scientists 72–73 D-Index: 561 scientists 74–75 D-Index: 501 scientists 76–77 D-Index: 437 scientists 78–79 D-Index: 388 scientists 80–81 D-Index: 354 scientists 82–83 D-Index: 292 scientists 84–85 D-Index: 275 scientists 86–87 D-Index: 254 scientists 88–89 D-Index: 235 scientists 90–91 D-Index: 185 scientists 92–93 D-Index: 192 scientists 94–95 D-Index: 155 scientists 96–97 D-Index: 163 scientists 98–99 D-Index: 125 scientists 100–101 D-Index: 105 scientists 102–103 D-Index: 105 scientists 104–105 D-Index: 112 scientists 106–107 D-Index: 88 scientists 108–109 D-Index: 68 scientists 110–111 D-Index: 69 scientists 112–113 D-Index: 65 scientists 114–115 D-Index: 79 scientists 116–117 D-Index: 61 scientists 118–119 D-Index: 44 scientists 120–121 D-Index: 37 scientists 122–123 D-Index: 40 scientists 124–125 D-Index: 33 scientists 126–127 D-Index: 26 scientists 128–129 D-Index: 34 scientists 130–131 D-Index: 35 scientists 132–133 D-Index: 25 scientists 134–135 D-Index: 27 scientists 136–137 D-Index: 17 scientists 138–139 D-Index: 16 scientists 140–141 D-Index: 20 scientists 142–143 D-Index: 20 scientists 144–145 D-Index: 15 scientists 146–147 D-Index: 9 scientists 148–149 D-Index: 9 scientists 150–151 D-Index: 16 scientists 152–153 D-Index: 11 scientists 154–155 D-Index: 9 scientists 156–157 D-Index: 3 scientists 158 D-Index: 3 scientists 159+ D-Index: 98 scientists
40 D-Index 159+

This scientist: 104 D-Index — 94th percentile

94% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 159 D-Index or more.

Research.com Recognitions

  • 2019 - Fellow of the Royal Society, United Kingdom
  • 2003 - Centenary Prize, Royal Society of Chemistry (UK)
  • 2000 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 2000 - Member of the National Academy of Sciences
  • 1998 - Polanyi Medal, Royal Society of Chemistry (UK)
  • 1997 - Fellow of American Geophysical Union (AGU)

Overview

A. R. Ravishankara is a researcher affiliated with Colorado State University in the United States, specializing in Earth and Planetary Sciences and Environmental Science. The primary focus lies in subfields such as Atmospheric Science, Global and Planetary Change, Health, Toxicology and Mutagenesis, Sociology and Political Science, and Environmental Engineering. The scientific contributions also extensively cover topics including Atmospheric chemistry and aerosols, Atmospheric Ozone and Climate, Atmospheric and Environmental Gas Dynamics, Air Quality and Health Impacts, COVID-19 impact on air quality, Air Quality Monitoring and Forecasting, and Climate variability and models.

Among the recent publications associated with A. R. Ravishankara, the following papers are notable:

  • "Outdoor air pollution in India is not only an urban problem," 2020, Proceedings of the National Academy of Sciences
  • "Chlorine activation and enhanced ozone depletion induced by wildfire aerosol," 2023, Nature
  • "An unexpected large continental source of reactive bromine and chlorine with significant impact on wintertime air quality," 2020, National Science Review
  • "Photodissociation of particulate nitrate as a source of daytime tropospheric Cl2," 2022, Nature Communications
  • "Could the exception become the rule? 'Uncontrollable' air pollution events in the U.S. due to wildland fires," 2021, Environmental Research Letters

Frequent co-authors collaborating with Ravishankara include:

  • Liji M. David
  • Susan Solomon
  • Abdelwahid Mellouki
  • Chaitri Roy
  • Paul A. Newman

Publication venues where Ravishankara has appeared multiple times include:

  • Atmospheric Chemistry and Physics
  • Nature
  • Zenodo (CERN European Organization for Nuclear Research)
  • Proceedings of the National Academy of Sciences
  • Nature Communications

Achievements in Ravishankara's career are marked by recognition such as:

  • Fellow of the Royal Society, United Kingdom (2019)
  • Centenary Prize, Royal Society of Chemistry (UK) (2003)
  • Fellow of the American Association for the Advancement of Science (AAAS) (2000)
  • Member of the National Academy of Sciences (2000)
  • Polanyi Medal, Royal Society of Chemistry (UK) (1998)
  • Fellow of American Geophysical Union (AGU) (1997)

Best Publications

  • Nitrous Oxide (N2O): The Dominant Ozone-Depleting Substance Emitted in the 21st Century

    A. R. Ravishankara;John S. Daniel;Robert W. Portmann

  • Tables of rate constants extracted from chemical kinetics and photochemical data for use in stratospheric modeling. Evaluation number 7

    W. B. Demore;J. J. Margitan;M. J. Molina;R. T. Watson

  • Heterogeneous and Multiphase Chemistry in the Troposphere

    A. R. Ravishankara

  • Improving our fundamental understanding of the role of aerosol−cloud interactions in the climate system

    John H. Seinfeld;Christopher Bretherton;Kenneth S. Carslaw;Hugh Coe

  • Atmospheric lifetimes of long-lived halogenated species

    A. R. Ravishankara;S. Solomon;A. A. Turnipseed;R. F. Warren

  • Absorption measurements of oxygen between 330 and 1140 nm

    Gary D. Greenblatt;John J. Orlando;James B. Burkholder;A. R. Ravishankara

  • Heterogeneous reactions in sulfuric acid aerosols: A framework for model calculations

    David R. Hanson;A. R. Ravishankara;Susan Solomon

  • On the role of iodine in ozone depletion

    Susan Solomon;Rolando R. Garcia;A. R. Ravishankara

  • High levels of nitryl chloride in the polluted subtropical marine boundary layer

    Hans D. Osthoff;Hans D. Osthoff;Hans D. Osthoff;James M. Roberts;A. R. Ravishankara;A. R. Ravishankara;Eric J. Williams;Eric J. Williams

  • Atmospheric chemistry of small organic peroxy radicals

    G. S. Tyndall;R. A. Cox;C. Granier;R. Lesclaux

  • Variability in nocturnal nitrogen oxide processing and its role in regional air quality.

    S. S. Brown;T. B. Ryerson;A. G. Wollny;C. A. Brock

  • Stratospheric ozone depletion due to nitrous oxide: influences of other gases

    R. W. Portmann;J. S. Daniel;A. R. Ravishankara

  • Chemical kinetics and photochemical data for use in atmospheric studies. Evaluation No. 14 (JPL Publication 02-25)

    S. P. Sander;R. R. Friedl;D. M. Golden;M. J. Kurylo

  • Atmospheric oxidation of reduced sulfur species

    Geoffrey S. Tyndall;A. R. Ravishankara

  • Do Hydrofluorocarbons Destroy Stratospheric Ozone

    A. R. Ravishankara;Andrew A. Turnipseed;Niels R. Jensen;Stephen Barone

  • Investigation of the reactive and nonreactive processes involving nitryl hypochlorite and hydrogen chloride on water and nitric acid doped ice

    David R. Hanson;A. R. Ravishankara

  • Aerosol Absorption Measurement using Photoacoustic Spectroscopy: Sensitivity, Calibration, and Uncertainty Developments

    Daniel A. Lack;Edward R. Lovejoy;Tahllee Baynard;Anders Pettersson

  • Chemical kinetics and photochemical data for use in stratospheric modeling: Evaluation number 11

    S. P. Sander;R. R. Friedl;W. B. DeMore;D. M. Golden

  • The reaction probabilities of ClONO2 and N2O5 on 40 to 75% sulfuric acid solutions

    David R. Hanson;A. R. Ravishankara

  • New Measurement of the rate coefficient for the reaction of OH with methane.

    Ghanshyam L. Vaghjiani;Ghanshyam L. Vaghjiani;Ghanshyam L. Vaghjiani;A. R. Ravishankara

  • Measurement of hydroxyl and hydroperoxy radical uptake coefficients on water and sulfuric acid surfaces

    David R. Hanson;James B. Burkholder;Carleton J. Howard;A. R. Ravishankara

  • The reaction probabilities of ClONO2 and N2O5 on polar stratospheric cloud materials

    David R. Hanson;A. R. Ravishankara

  • Kinetics and mechanism of hydroxyl radical reaction with methyl hydroperoxide

    Ghanshyam L. Vaghjiani;A. R. Ravishankara

Frequent Co-Authors

Steven S. Brown
Steven S. Brown National Oceanic and Atmospheric Administration
Ranajit K. Talukdar
Ranajit K. Talukdar University of Colorado Boulder
James B. Burkholder
James B. Burkholder National Oceanic and Atmospheric Administration
Brian M. Lerner
Brian M. Lerner Aerodyne Research
Hans D. Osthoff
Hans D. Osthoff University of Calgary
Harald Stark
Harald Stark University of Colorado Boulder
Carsten Warneke
Carsten Warneke National Oceanic and Atmospheric Administration
Paul H. Wine
Paul H. Wine Georgia Institute of Technology
Fred C. Fehsenfeld
Fred C. Fehsenfeld Cooperative Institute for Research in Environmental Sciences
William P. Dubé
William P. Dubé Cooperative Institute for Research in Environmental Sciences

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