World's Best Scientists 2026 revealed!

D-Index & Metrics

Environmental Sciences

D-Index
49
Citations
15464
World Ranking
5131
National Ranking
214

Overview

Mark W. Shephard is affiliated with Environment and Climate Change Canada. Their research mainly focuses on Earth and Planetary Sciences as well as Environmental Science. These broad areas encompass several subfields including Atmospheric Science, Global and Planetary Change, Environmental Engineering, Aerospace Engineering, and Astronomy and Astrophysics.

The scientist's work covers a variety of topics within the atmospheric and environmental domain. Key topics in their research include:

  • Atmospheric chemistry and aerosols
  • Atmospheric and Environmental Gas Dynamics
  • Planetary Science and Exploration
  • Spacecraft Design and Technology
  • Atmospheric Ozone and Climate
  • Air Quality Monitoring and Forecasting
  • Wind and Air Flow Studies

Mark W. Shephard has contributed to numerous publications, with a significant number appearing in venues such as Zenodo (CERN European Organization for Nuclear Research), Atmospheric chemistry and physics, Atmospheric measurement techniques, Environmental Research Letters, and the Journal of Geophysical Research Atmospheres.

Frequent co-authors include:

  • Jason N. S. Cole
  • Howard W. Barker
  • Zhipeng Qu
  • David P. Donovan
  • Karen Cady-Pereira

Their recent noteworthy papers are:

  • "Ammonia measurements from space with the Cross-track Infrared Sounder: characteristics and applications", 2020, Atmospheric chemistry and physics
  • "Inverse modeling of NH3 sources using CrIS remote sensing measurements", 2020, Environmental Research Letters
  • "UK Ammonia Emissions Estimated With Satellite Observations and GEOS-Chem", 2021, Journal of Geophysical Research Atmospheres
  • "10-year satellite-constrained fluxes of ammonia improve performance of chemistry transport models", 2021, Atmospheric chemistry and physics
  • "Atmospheric ammonia variability and link with particulate matter formation: a case study over the Paris area", 2020, Atmospheric chemistry and physics

Best Publications

  • Radiative forcing by long‐lived greenhouse gases: Calculations with the AER radiative transfer models

    Michael J. Iacono;Jennifer S. Delamere;Eli J. Mlawer;Mark W. Shephard

  • Atmospheric radiative transfer modeling: a summary of the AER codes

    Shepard A. Clough;Mark W. Shephard;Eli J. Mlawer;J. S. Delamere

  • The EarthCARE Satellite: The Next Step Forward in Global Measurements of Clouds, Aerosols, Precipitation, and Radiation

    A. J. Illingworth;H. W. Barker;A. Beljaars;Marie Ceccaldi

  • Tropospheric emission spectrometer: retrieval method and error analysis

    K.W. Bowman;C.D. Rodgers;S.S. Kulawik;J. Worden

  • Comparisons of Tropospheric Emission Spectrometer (TES) ozone profiles to ozonesondes: Methods and initial results

    H. M. Worden;J. A. Logan;J. R. Worden;R. Beer

  • Space-based detection of missing sulfur dioxide sources of global air pollution

    Chris A. McLinden;Vitali Fioletov;Mark W. Shephard;Nick Krotkov

  • Predicted errors of tropospheric emission spectrometer nadir retrievals from spectral window selection

    John Worden;Susan S. Kulawik;Mark W. Shephard;Shepard A. Clough

  • Tropospheric Emission Spectrometer observations of the tropospheric HDO/H2O ratio: Estimation approach and characterization

    John Worden;Kevin Bowman;David Noone;Reinhard Beer

  • Satellite monitoring of ammonia: A case study of the San Joaquin Valley

    Lieven Clarisse;Mark W. Shephard;Franck Dentener;Daniel Hurtmans

  • Cross-track Infrared Sounder (CrIS) satellite observations of tropospheric ammonia

    M. W. Shephard;K. E. Cady-Pereira

  • Constraining U.S. ammonia emissions using TES remote sensing observations and the GEOS‐Chem adjoint model

    L. Zhu;D. K. Henze;K. E. Cady-Pereira;M. W. Shephard

  • NH 3 emissions from large point sources derived from CrIS and IASI satellite observations

    Enrico Dammers;Chris A. McLinden;Debora Griffin;Mark W. Shephard

  • TES ammonia retrieval strategy and global observations of the spatial and seasonal variability of ammonia

    M.W Shephard;K.E Cady-Pereira;M. Luo;D.K Henze

  • First satellite observations of lower tropospheric ammonia and methanol

    Reinhard Beer;Mark W. Shephard;Susan S. Kulawik;Shepard A. Clough

  • The QME AERI LBLRTM: A Closure Experiment for Downwelling High Spectral Resolution Infrared Radiance

    David D. Turner;D. C. Tobin;Shepard A. Clough;Patrick D. Brown

  • Comparison of carbon monoxide measurements by TES and MOPITT: Influence of a priori data and instrument characteristics on nadir atmospheric species retrievals

    M. Luo;C. P. Rinsland;C. D. Rodgers;J. A. Logan

  • Performance of the Line-By-Line Radiative Transfer Model (LBLRTM) for temperature, water vapor, and trace gas retrievals: recent updates evaluated with IASI case studies

    M. J. Alvarado;V. H. Payne;E. J. Mlawer;G. Uymin

  • Implementation of cloud retrievals for Tropospheric Emission Spectrometer (TES) atmospheric retrievals: part 1. Description and characterization of errors on trace gas retrievals

    Susan S. Kulawik;John Worden;Annmarie Eldering;Kevin Bowman

  • Forward model and Jacobians for Tropospheric Emission Spectrometer retrievals

    S.A. Clough;M.W. Shephard;J. Worden;P.D. Brown

  • Performance of the line-by-line radiative transfer model (LBLRTM) for temperature and species retrievals: IASI case studies from JAIVEx

    M. W. Shephard;S. A. Clough;V. H. Payne;W. L. Smith;W. L. Smith

  • Ozone-CO correlations determined by the TES satellite instrument in continental outflow regions

    Lin Zhang;Daniel J. Jacob;Kevin W. Bowman;Jennifer A. Logan

  • Satellite monitoring of ammonia: A case study of the

    Lieven Clarisse;Mark W. Shephard;Frank Dentener;Daniel Hurtmans

Frequent Co-Authors

Karen Cady-Pereira
Karen Cady-Pereira Atmospheric and Environmental Research
Shepard A. Clough
Shepard A. Clough Hanscom Air Force Base
Daven K. Henze
Daven K. Henze University of Colorado Boulder
Helen M. Worden
Helen M. Worden National Center for Atmospheric Research
Susan S. Kulawik
Susan S. Kulawik Ames Research Center
Kevin W. Bowman
Kevin W. Bowman California Institute of Technology
Annmarie Eldering
Annmarie Eldering California Institute of Technology
Curtis P. Rinsland
Curtis P. Rinsland Langley Research Center
Lieven Clarisse
Lieven Clarisse Université Libre de Bruxelles
Jesse O. Bash
Jesse O. Bash Environmental Protection Agency

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