World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
90
Citations
32781
World Ranking
586
National Ranking
264

Research.com Recognitions

  • 2020 - Fellow of American Geophysical Union (AGU)

Overview

Ralph A. Kahn is affiliated with the Goddard Space Flight Center in the United States. Their research primarily spans Environmental Science and Earth and Planetary Sciences, with a strong focus on areas such as Global and Planetary Change, Atmospheric Science, Health, Toxicology and Mutagenesis, Environmental Engineering, and Earth-Surface Processes.

The main topics of their work include Atmospheric chemistry and aerosols, Atmospheric aerosols and clouds, Air Quality and Health Impacts, Air Quality Monitoring and Forecasting, Atmospheric and Environmental Gas Dynamics, Atmospheric Ozone and Climate, and Aeolian processes and effects.

Ralph A. Kahn has contributed to multiple publications in several frequent venues, including:

  • Atmospheric chemistry and physics
  • Journal of Geophysical Research Atmospheres
  • Zenodo (CERN European Organization for Nuclear Research)
  • Atmospheric measurement techniques
  • Environmental Science & Technology

Recent papers demonstrate a focus on fine particulate matter, aerosol optical properties, and their climate interactions. These papers include:

  • Global Estimates and Long-Term Trends of Fine Particulate Matter Concentrations (1998-2018), 2020, Environmental Science & Technology
  • Monthly Global Estimates of Fine Particulate Matter and Their Uncertainty, 2021, Environmental Science & Technology
  • Scattering and absorbing aerosols in the climate system, 2022, Nature Reviews Earth & Environment
  • Merging regional and global aerosol optical depth records from major available satellite products, 2020, Atmospheric chemistry and physics
  • A review of coarse mineral dust in the Earth system, 2022, Aeolian Research

Ralph A. Kahn frequently collaborates with a group of coauthors with whom multiple publications are attributed. These coauthors include:

  • James A. Limbacher
  • R. C. Levy
  • Alexei Lyapustin
  • A. M. Sayer
  • M. J. Garay

In 2020, Ralph A. Kahn was recognized as a Fellow of the American Geophysical Union (AGU), an acknowledgment linked to their work and contributions to the scientific community.

Best Publications

  • Global Estimates of Ambient Fine Particulate Matter Concentrations from Satellite-Based Aerosol Optical Depth: Development and Application

    Aaron van Donkelaar;Randall V. Martin;Michael Brauer;Ralph Kahn

  • Multi-angle Imaging SpectroRadiometer (MISR) instrument description and experiment overview

    D.J. Diner;J.C. Beckert;T.H. Reilly;C.J. Bruegge

  • Global evaluation of the Collection 5 MODIS dark-target aerosol products over land

    R. C. Levy;L. A. Remer;R. G. Kleidman;S. Mattoo

  • Global Estimates of Fine Particulate Matter Using a Combined Geophysical-Statistical Method with Information from Satellites, Models, and Monitors

    Aaron Van Donkelaar;Randall V. Martin;Randall V. Martin;Michael Brauer;N. Christina Hsu

  • A review of measurement-based assessments of the aerosol direct radiative effect and forcing

    H. Yu;H. Yu;Y. J. Kaufman;M. Chin;G. Feingold

  • 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

  • Modeling phase functions for dustlike tropospheric aerosols using a shape mixture of randomly oriented polydisperse spheroids

    Michael I. Mishchenko;Larry D. Travis;Ralph A. Kahn;Robert A. West

  • Global Estimates and Long-Term Trends of Fine Particulate Matter Concentrations (1998-2018).

    Melanie S Hammer;Melanie S Hammer;Aaron van Donkelaar;Aaron van Donkelaar;Chi Li;Chi Li;Alexei Lyapustin;Alexei Lyapustin

  • Monthly Global Estimates of Fine Particulate Matter and Their Uncertainty.

    Aaron van Donkelaar;Aaron van Donkelaar;Melanie S. Hammer;Liam Bindle;Michael Brauer;Michael Brauer

  • Properties and effects of dust particles suspended in the Martian atmosphere

    James B. Pollack;David S. Colburn;F. Michael Flasar;Ralph Kahn

  • Multiangle Imaging Spectroradiometer (MISR) global aerosol optical depth validation based on 2 years of coincident Aerosol Robotic Network (AERONET) observations

    Ralph A. Kahn;Barbara J. Gaitley;John V. Martonchik;David J. Diner

  • Multiangle implementation of atmospheric correction (MAIAC): 2. Aerosol algorithm

    A. Lyapustin;A. Lyapustin;Y. Wang;Y. Wang;I. Laszlo;R. Kahn

  • Multiangle Imaging SpectroRadiometer global aerosol product assessment by comparison with the Aerosol Robotic Network

    Ralph A. Kahn;Barbara J. Gaitley;Michael J. Garay;David J. Diner

  • Global observations of aerosol-cloud-precipitation-climate interactions

    Daniel Rosenfeld;Meinrat O. Andreae;Ari Asmi;Mian Chin

  • Scattering and absorbing aerosols in the climate system

    Unknown

  • Techniques for the retrieval of aerosol properties over land and ocean using multiangle imaging

    J.V. Martonchik;D.J. Diner;R.A. Kahn;T.P. Ackerman

  • Using aerosol optical thickness to predict ground-level PM2.5 concentrations in the St. Louis area: A comparison between MISR and MODIS

    Yang Liu;Meredith Franklin;Ralph Kahn;Petros Koutrakis

  • Uncertainties in satellite remote sensing of aerosols and impact on monitoring its long-term trend: a review and perspective

    Z. Li;Z. Li;X. Zhao;R. Kahn;M. Mishchenko

  • Smoke injection heights from fires in North America: analysis of 5 years of satellite observations

    M. Val Martin;J. A. Logan;R. A. Kahn;F.-Y. Leung

  • Properties of aerosols in the Martian atmosphere, as inferred from Viking lander imaging data

    James B. Pollack;David Colburn;Ralph Kahn;June Hunter

  • Multi-decadal aerosol variations from 1980 to 2009: a perspective from observations and a global model

    Mian Chin;T. Diehl;T. Diehl;Q. Tan;Q. Tan;J. M. Prospero

  • Relationships between the planetary boundary layer height and surface pollutants derived from lidar observations over China: regional pattern and influencing factors

    Tianning Su;Zhanqing Li;Zhanqing Li;Ralph Kahn

Frequent Co-Authors

David J. Diner
David J. Diner Jet Propulsion Lab
John V. Martonchik
John V. Martonchik Jet Propulsion Lab
Brent N. Holben
Brent N. Holben Goddard Space Flight Center
Lorraine A. Remer
Lorraine A. Remer University of Maryland, Baltimore County
Robert C. Levy
Robert C. Levy Goddard Space Flight Center
Mian Chin
Mian Chin Goddard Space Flight Center
Randall V. Martin
Randall V. Martin Washington University in St. Louis
Omar Torres
Omar Torres Goddard Space Flight Center
Alexei Lyapustin
Alexei Lyapustin Goddard Space Flight Center
Oleg Dubovik
Oleg Dubovik University of Lille

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