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Environmental Sciences
Austria
2026

D-Index & Metrics

Environmental Sciences

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

Thomas Karl publication distribution in Environmental Sciences in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Environmental Sciences in 2026. The highlighted bar marks where Thomas Karl sits on this spectrum.

41–50 publications: 21 scientists 51–60 publications: 62 scientists 61–70 publications: 133 scientists 71–80 publications: 257 scientists 81–90 publications: 361 scientists 91–100 publications: 440 scientists 101–110 publications: 492 scientists 111–120 publications: 541 scientists 121–130 publications: 617 scientists 131–140 publications: 544 scientists 141–150 publications: 541 scientists 151–160 publications: 539 scientists 161–170 publications: 444 scientists 171–180 publications: 444 scientists 181–190 publications: 400 scientists 191–200 publications: 377 scientists 201–210 publications: 318 scientists 211–220 publications: 283 scientists 221–230 publications: 263 scientists 231–240 publications: 220 scientists 241–250 publications: 217 scientists 251–260 publications: 180 scientists 261–270 publications: 181 scientists 271–280 publications: 155 scientists 281–290 publications: 130 scientists 291–300 publications: 127 scientists 301–310 publications: 130 scientists 311–320 publications: 85 scientists 321–330 publications: 106 scientists 331–340 publications: 80 scientists 341–350 publications: 83 scientists 351–360 publications: 75 scientists 361–370 publications: 69 scientists 371–380 publications: 52 scientists 381–390 publications: 54 scientists 391–400 publications: 56 scientists 401–410 publications: 44 scientists 411–420 publications: 40 scientists 421–430 publications: 36 scientists 431–440 publications: 25 scientists 441–450 publications: 25 scientists 451–460 publications: 32 scientists 461–470 publications: 29 scientists 471–480 publications: 21 scientists 481–490 publications: 26 scientists 491–500 publications: 25 scientists 501–510 publications: 17 scientists 511–520 publications: 18 scientists 521–530 publications: 15 scientists 531–540 publications: 22 scientists 541–550 publications: 12 scientists 551–560 publications: 15 scientists 561–570 publications: 11 scientists 571–580 publications: 19 scientists 581–590 publications: 9 scientists 591–600 publications: 9 scientists 601–610 publications: 7 scientists 611–620 publications: 11 scientists 621–630 publications: 5 scientists 631–640 publications: 5 scientists 641–650 publications: 6 scientists 651–660 publications: 3 scientists 661–670 publications: 3 scientists 671–680 publications: 4 scientists 681–686 publications: 3 scientists 687+ publications: 100 scientists
41 publications 687+

This scientist: 227 publications — 72nd percentile

72% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 687 publications or more.

Thomas Karl D-index placement in Environmental Sciences in 2026

The chart shows the D-index (discipline H-index) distribution of Environmental Sciences scientists ranked by Research.com in 2026. The highlighted bar marks where Thomas Karl sits on this spectrum.

30 D-Index: 12 scientists 31 D-Index: 26 scientists 32 D-Index: 51 scientists 33 D-Index: 88 scientists 34 D-Index: 123 scientists 35 D-Index: 163 scientists 36 D-Index: 206 scientists 37 D-Index: 267 scientists 38 D-Index: 265 scientists 39 D-Index: 275 scientists 40 D-Index: 321 scientists 41 D-Index: 343 scientists 42 D-Index: 305 scientists 43 D-Index: 336 scientists 44 D-Index: 330 scientists 45 D-Index: 348 scientists 46 D-Index: 291 scientists 47 D-Index: 275 scientists 48 D-Index: 272 scientists 49 D-Index: 273 scientists 50 D-Index: 263 scientists 51 D-Index: 232 scientists 52 D-Index: 266 scientists 53 D-Index: 217 scientists 54 D-Index: 199 scientists 55 D-Index: 177 scientists 56 D-Index: 202 scientists 57 D-Index: 204 scientists 58 D-Index: 166 scientists 59 D-Index: 177 scientists 60 D-Index: 166 scientists 61 D-Index: 152 scientists 62 D-Index: 143 scientists 63 D-Index: 150 scientists 64 D-Index: 124 scientists 65 D-Index: 119 scientists 66 D-Index: 120 scientists 67 D-Index: 118 scientists 68 D-Index: 82 scientists 69 D-Index: 98 scientists 70 D-Index: 94 scientists 71 D-Index: 105 scientists 72 D-Index: 74 scientists 73 D-Index: 84 scientists 74 D-Index: 70 scientists 75 D-Index: 67 scientists 76 D-Index: 78 scientists 77 D-Index: 60 scientists 78 D-Index: 59 scientists 79 D-Index: 52 scientists 80 D-Index: 47 scientists 81 D-Index: 38 scientists 82 D-Index: 48 scientists 83 D-Index: 42 scientists 84 D-Index: 42 scientists 85 D-Index: 43 scientists 86 D-Index: 29 scientists 87 D-Index: 37 scientists 88 D-Index: 29 scientists 89 D-Index: 30 scientists 90 D-Index: 34 scientists 91 D-Index: 20 scientists 92 D-Index: 22 scientists 93 D-Index: 17 scientists 94 D-Index: 19 scientists 95 D-Index: 24 scientists 96 D-Index: 21 scientists 97 D-Index: 20 scientists 98 D-Index: 24 scientists 99 D-Index: 17 scientists 100 D-Index: 17 scientists 101 D-Index: 21 scientists 102 D-Index: 25 scientists 103 D-Index: 18 scientists 104 D-Index: 26 scientists 105 D-Index: 19 scientists 106 D-Index: 15 scientists 107 D-Index: 10 scientists 108 D-Index: 13 scientists 109 D-Index: 15 scientists 110 D-Index: 12 scientists 111 D-Index: 8 scientists 112 D-Index: 7 scientists 113 D-Index: 9 scientists 114 D-Index: 6 scientists 115 D-Index: 12 scientists 116 D-Index: 7 scientists 117 D-Index: 8 scientists 118 D-Index: 3 scientists 119 D-Index: 5 scientists 120 D-Index: 7 scientists 121 D-Index: 2 scientists 122 D-Index: 4 scientists 123 D-Index: 8 scientists 124 D-Index: 7 scientists 125+ D-Index: 99 scientists
30 D-Index 125+

This scientist: 80 D-Index — 90th percentile

90% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 125 D-Index or more.

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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