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Environmental Sciences
Austria
2026

D-Index & Metrics

Environmental Sciences

D-Index
80
Citations
26045
World Ranking
956
National Ranking
9

Research.com Recognitions

  • 2026 - Research.com Environmental Sciences in Austria Leader Award
  • 2025 - Research.com Environmental Sciences in Austria Leader Award
  • 2023 - Research.com Environmental Sciences in Austria Leader Award
  • 2022 - Research.com Environmental Sciences in Austria Leader Award
  • 1999 - Fellow of American Geophysical Union (AGU)

Overview

Thomas Karl is affiliated with the University of Innsbruck in Austria and is primarily focused on Environmental Science and Earth and Planetary Sciences. Their research spans multiple subfields including Atmospheric Science, Global and Planetary Change, Health, Toxicology and Mutagenesis, Environmental Engineering, and Plant Science.

Their work centers around key topics such as:

  • Atmospheric chemistry and aerosols
  • Air Quality and Health Impacts
  • Atmospheric and Environmental Gas Dynamics
  • Plant responses to elevated CO2
  • Atmospheric aerosols and clouds
  • Wind and Air Flow Studies
  • Vehicle emissions and performance

Thomas Karl has contributed research papers to various scientific journals. Some recent publications include:

  • High urban NO x triggers a substantial chemical downward flux of ozone, 2023, Science Advances
  • Direct observations of CO2 emission reductions due to COVID-19 lockdown across European urban districts, 2022, The Science of The Total Environment
  • Oxygenated volatile organic compounds (VOCs) as significant but varied contributors to VOC emissions from vehicles, 2022, Atmospheric Chemistry and Physics
  • Revisiting Acetonitrile as Tracer of Biomass Burning in Anthropogenic-Influenced Environments, 2021, Geophysical Research Letters
  • Atmospheric Pollutant Dispersion over Complex Terrain: Challenges and Needs for Improving Air Quality Measurements and Modeling, 2020, Atmosphere

Frequent coauthors in their research include M. Graus, Marcus Striednig, Christian Lamprecht, Mathias W. Rotach, and Helen C. Ward.

Thomas Karl has published extensively across several venues, particularly:

  • Zenodo (CERN European Organization for Nuclear Research)
  • Atmospheric Chemistry and Physics
  • Atmospheric Measurement Techniques
  • Atmospheric Environment
  • Bulletin of the American Meteorological Society

In addition to articles, Thomas Karl has a book titled Multi-scale transport and exchange processes in the atmosphere over mountains, published in 2020 by innsbruck university press eBooks.

Recognition in their field includes being named a Fellow of the American Geophysical Union (AGU) in 1999.

Best Publications

  • Estimates of global terrestrial isoprene emissions using MEGAN (Model of Emissions of Gases and Aerosols from Nature)

    A. Guenther;T. Karl;P. Harley;C. Wiedinmyer

  • Emission factors for open and domestic biomass burning for use in atmospheric models

    S. K. Akagi;Robert J. Yokelson;C. Wiedinmyer;M. Alvarado

  • Spatially resolved flux measurements of NOx from London suggest significantly higher emissions than predicted by inventories

    Adam R. Vaughan;James D. Lee;Pawel K. Misztal;Stefan Metzger;Stefan Metzger

  • An Introduction to Trends in Extreme Weather and Climate Events: Observations, Socioeconomic Impacts, Terrestrial Ecological Impacts, and Model Projections*

    Gerald A. Meehl;Thomas Karl;David R. Easterling;Stanley Changnon

  • Emissions from biomass burning in the Yucatan

    R. J. Yokelson;J. D. Crounse;P. F. DeCarlo;P. F. DeCarlo;T. Karl

  • Volatile organic compounds emitted after leaf wounding: On-line analysis by proton-transfer-reaction mass spectrometry

    Ray Fall;Thomas Karl;Armin Hansel;Alfons Jordan

  • Sensitivity and specificity of atmospheric trace gas detection by proton-transfer-reaction mass spectrometry

    Joost de Gouw;Joost de Gouw;Carsten Warneke;Thomas Karl;Gunter Eerdekens

  • On Quantitative Determination of Volatile Organic Compound Concentrations Using Proton Transfer Reaction Time-of-Flight Mass Spectrometry

    Luca Cappellin;Thomas Karl;Michael Probst;Oksana Ismailova

  • Global atmospheric budget of acetaldehyde: 3-D model analysis and constraints from in-situ and satellite observations

    D. B. Millet;A. Guenther;D. A. Siegel;N. B. Nelson

  • Human breath isoprene and its relation to blood cholesterol levels: new measurements and modeling.

    Thomas Karl;Peter Prazeller;Dagmar Mayr;Alfons Jordan

  • Acetone, methanol, and other partially oxidized volatile organic emissions from dead plant matter by abiological processes: Significance for atmospheric HOx chemistry

    Carsten Warneke;Thomas Karl;Helmut Judmaier;Armin Hansel

  • Seasonal variation of biogenic VOC emissions above a mixed hardwood forest in northern Michigan

    T. Karl;A. Guenther;C. Spirig;A. Hansel

  • Process-based estimates of terrestrial ecosystem isoprene emissions: incorporating the effects of a direct CO 2 -isoprene interaction

    Almut Arneth;U. Niinemets;U. Niinemets;S. Pressley;J. Back

  • The tropical forest and fire emissions experiment: laboratory fire measurements and synthesis of campaign data

    Robert J. Yokelson;Ted J. Christian;T. G. Karl;Alex Guenther

  • The Tropical Forest and Fire Emissions Experiment: overview and airborne fire emission factor measurements

    Robert J. Yokelson;T. Karl;Paulo Artaxo;Donald R. Blake

  • Efficient Atmospheric Cleansing of Oxidized Organic Trace Gases by Vegetation

    T. Karl;P. Harley;L. Emmons;B. Thornton

  • Rapid cycling of reactive nitrogen in the marine boundary layer

    Chunxiang Ye;Xianliang Zhou;Xianliang Zhou;Dennis Pu;Jochen Stutz

  • Exchange processes of volatile organic compounds above a tropical rain forest: Implications for modeling tropospheric chemistry above dense vegetation

    Thomas Karl;Mark Potosnak;Mark Potosnak;Alex Guenther;Deborah Clark

  • The tropical forest and fire emissions experiment: Emission, chemistry, and transport of biogenic volatile organic compounds in the lower atmosphere over Amazonia

    Thomas Karl;Alex Guenther;Robert J. Yokelson;Jim Greenberg

  • Characterization of a real-time tracer for isoprene epoxydiols-derived secondary organic aerosol (IEPOX-SOA) from aerosol mass spectrometer measurements

    W. W. Hu;P. Campuzano-Jost;B. B. Palm;D. A. Day

  • Photosynthesis-dependent isoprene emission from leaf to planet in a global carbon-chemistry-climate model

    N. Unger;K. Harper;Y. Zheng;N. Y. Kiang

Frequent Co-Authors

Alex Guenther
Alex Guenther University of California, Irvine
Armin Hansel
Armin Hansel University of Innsbruck
Martin Graus
Martin Graus University of Innsbruck
Allen H. Goldstein
Allen H. Goldstein University of California, Berkeley
Jose L. Jimenez
Jose L. Jimenez University of Colorado Boulder
Eric C. Apel
Eric C. Apel National Center for Atmospheric Research
Peter Harley
Peter Harley National Center for Atmospheric Research
James N. Smith
James N. Smith University of California, Irvine
Pawel K. Misztal
Pawel K. Misztal University of California, Berkeley
Ray Fall
Ray Fall University of Colorado Boulder

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