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Chemistry

D-Index
104
Citations
44047
World Ranking
1035
National Ranking
411

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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