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D-Index & Metrics

Environmental Sciences

D-Index
53
Citations
17129
World Ranking
4149
National Ranking
1568

Overview

Robert W. Portmann is affiliated with the National Oceanic and Atmospheric Administration in the United States. Their research primarily focuses on Earth and Planetary Sciences, with significant contributions to Environmental Science. The scientist's work spans several subfields, predominantly Atmospheric Science and Global and Planetary Change, as well as some involvement in Astronomy and Astrophysics, Political Science and International Relations, and Pulmonary and Respiratory Medicine.

The main topics of Robert W. Portmann's research include atmospheric chemistry and aerosols, atmospheric ozone and climate, atmospheric and environmental gas dynamics, and atmospheric aerosols and clouds. Additional areas of focus are climate variability and models, ionosphere and magnetosphere dynamics, and advanced aircraft design and technologies.

The scientist has published extensively in notable journals, frequently contributing to Geophysical Research Letters, where they have four publications. Other common venues include the Journal of Geophysical Research Atmospheres and Atmospheric Chemistry and Physics, each with three publications, along with appearances in Proceedings of the National Academy of Sciences and Communications Earth & Environment.

Frequent coauthors collaborating with Robert W. Portmann include Karen H. Rosenlof, Pengfei Yu, Sean Davis, O. B. Toon, and Charles Bardeen.

Selected recent papers by Robert W. Portmann include:

  • Persistent Stratospheric Warming Due to 2019-2020 Australian Wildfire Smoke, 2021, Geophysical Research Letters
  • On the stratospheric chemistry of midlatitude wildfire smoke, 2022, Proceedings of the National Academy of Sciences
  • Perturbations in stratospheric aerosol evolution due to the water-rich plume of the 2022 Hunga-Tonga eruption, 2022, Communications Earth & Environment
  • A decline in global CFC-11 emissions during 2018−2019, 2021, Nature
  • Rapid ozone depletion after humidification of the stratosphere by the Hunga Tonga Eruption, 2023, Science

Best Publications

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

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

  • Contributions of Stratospheric Water Vapor to Decadal Changes in the Rate of Global Warming

    Susan Solomon;Karen H. Rosenlof;Robert W. Portmann;John S. Daniel

  • How Often Does It Rain

    Ying Sun;Susan Solomon;Aiguo Dai;Robert W. Portmann

  • The role of aerosol variations in anthropogenic ozone depletion at northern midlatitudes

    S. Solomon;R. W. Portmann;R. R. Garcia;L. W. Thomason

  • How Often Will It Rain

    Ying Sun;Susan Solomon;Aiguo Dai;Robert W. Portmann

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

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

  • An unexpected and persistent increase in global emissions of ozone-depleting CFC-11

    Stephen A. Montzka;Geoff S. Dutton;Geoff S. Dutton;Pengfei Yu;Pengfei Yu;Eric Ray;Eric Ray

  • Spatial and seasonal patterns in climate change, temperatures, and precipitation across the United States

    Robert W. Portmann;Susan Solomon;Gabriele C. Hegerl

  • Black carbon lofts wildfire smoke high into the stratosphere to form a persistent plume.

    Pengfei Yu;Pengfei Yu;Pengfei Yu;Owen B. Toon;Charles G. Bardeen;Yunqian Zhu

  • Early onset of significant local warming in low latitude countries

    I Mahlstein;R Knutti;S Solomon;R W Portmann

  • Radiative forcing by well‐mixed greenhouse gases: Estimates from climate models in the Intergovernmental Panel on Climate Change (IPCC) Fourth Assessment Report (AR4)

    W. D. Collins;V. Ramaswamy;M. D. Schwarzkopf;Y. Sun

  • An observationally based energy balance for the Earth since 1950

    D. M. Murphy;S. Solomon;R. W. Portmann;K. H. Rosenlof

  • A comparison of model-simulated trends in stratospheric temperatures

    K. P. Shine;M. S. Bourqui;P. M. de F. Forster;S. H. E. Hare

  • Heterogeneous chlorine chemistry in the tropopause region

    S. Solomon;S. Borrmann;R. R. Garcia;R. Portmann

  • Role of aerosol variations in anthropogenic ozone depletion in the polar regions

    R. W. Portmann;S. Solomon;R. R. Garcia;L. W. Thomason

  • On the role of nitrogen dioxide in the absorption of solar radiation

    S. Solomon;R. W. Portmann;R. W. Sanders;J. S. Daniel

  • Volcanic radiative forcing from 1979 to 2015

    Anja Schmidt;Michael J. Mills;Steven Ghan;Jonathan M. Gregory

  • Stratospheric ozone destruction: The importance of bromine relative to chlorine

    J. S. Daniel;S. Solomon;R. W. Portmann;R. R. Garcia

  • Efficient transport of tropospheric aerosol into the stratosphere via the Asian summer monsoon anticyclone.

    Pengfei Yu;Karen H. Rosenlof;Shang Liu;Shang Liu;Shang Liu;Hagen Telg;Hagen Telg

  • Persistent Stratospheric Warming Due to 2019–2020 Australian Wildfire Smoke

    Pengfei Yu;Sean M. Davis;Owen B. Toon;Robert W. Portmann

  • Climate forcing due to tropospheric and stratospheric ozone

    J. T. Kiehl;T. L. Schneider;R. W. Portmann;S. Solomon

Frequent Co-Authors

John S. Daniel
John S. Daniel National Oceanic and Atmospheric Administration
Karen H. Rosenlof
Karen H. Rosenlof National Oceanic and Atmospheric Administration
Stanley C. Solomon
Stanley C. Solomon National Center for Atmospheric Research
Piers M. Forster
Piers M. Forster University of Leeds
James B. Burkholder
James B. Burkholder National Oceanic and Atmospheric Administration
Eric A. Ray
Eric A. Ray National Oceanic and Atmospheric Administration
Paul Young
Paul Young Lancaster University
Stephen A. Montzka
Stephen A. Montzka National Oceanic and Atmospheric Administration
A. R. Ravishankara
A. R. Ravishankara Colorado State University

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