
Univ.-Prof. DI Dr. Thomas Karl
Head of Institute
Atmospheric Physics and Chemistry
Research Interests
- Physical, Environmental and Atmospheric Sciences
- Biosphere-Atmosphere Interactions
- Atmospheric Chemistry
- Air Quality
- Micrometeorology
- Biogeochemistry
- Chemical Ionization Mass Spectrometry (CIMS)
Projects
- KARLOS: Mountain-top cubesat demonstrator for urban AQ monitoring at sub-hectometer spatial resolution
- Alp-Air
- Biogeochemical Research along an Israeli TransEct
- Charakterisierung von NOx Quellen in Innsbruck
- Constraining urban methane sources based on direct eddy covariance measurements
- HRSM: IAO
- SOAS and NOMADSS
- Sparkling Science - Tracegas analysis in an inneralpine Region
Courses
Search for previous publications
Publications 2025
Contributions to Books / Journals
Journal Article (Original Paper)
- Striednig, Marcus; Stichaner, Michael; Graus, Martin; Mühlegger, Martin; Lamprecht, Christian; Peron, Arianna; Karl, Thomas (2025): Atmospheric chemical source signatures from proton-transfer reaction mass spectrometry aid in the interpretation of ambient aerosol distributions.
In: Physica Scripta 100/2, No. 025007. (DOI) (Web link)
Publications 2024
Contributions to Books / Journals
Journal Article (Original Paper)
- Huangfu, Yibo; Yuan, Bin; He, Xianjun; Liu, Ziyang; Zhang, Yuanting; Karl, Thomas; Striednig, Marcus; Ding, Yang; Chen, Xiaodong; Li, Hongjuan; Zheng, Huadan; Chang, Ming; Wang, Xuemei; Shao, Min (2024): Natural Gas Leakage Ratio Determined from Flux Measurements of Methane in Urban Beijing.
In: Environmental Science & Technology Letters 11/10, pp. 1025 - 1031. (DOI) (Web link) - Peron, Arianna; Graus, Martin; Striednig, Marcus; Lamprecht, Christian; Wohlfahrt, Georg; Karl, Thomas (2024): Deciphering anthropogenic and biogenic contributions to selected non-methane volatile organic compound emissions in an urban area.
In: Atmospheric Chemistry and Physics 24/12, pp. 7063 - 7083. (DOI) (Web link) - Stichaner, Michael; Karl, Thomas; Jensen, R. Niels; Striednig, Marcus; Graus, Martin; Lamprecht, Christian; Jud, Werner (2024): Urban sources of methane characterised by long-term eddy covariance observations in central Europe.
In: Atmospheric Environment 336, No. 120743. (DOI) (Web link)
Journal Article (Other)
- Karl, Thomas (2024): Mapping urban haze. Direct airborne measurements of emission fluxes reveal major sources over California.
In: Science 384/6702, No. 1299. (DOI) (Web link)
Publications 2023
Contributions to Books / Journals
Journal Article (Original Paper)
- Fitzky, Anne Charlott; Kaser, Lisa; Peron, Arianna; Karl, Thomas; Graus, Martin; Tholen, Danny; Halbwirth, Heidi; Trimmel, Heidelinde; Pesendorfer, Mario; Rewald, Boris; Sandén (2023): Same, same, but different: Drought and salinity affect BVOC emission rate and alter blend composition of urban trees.
In: Urban Forestry & Urban Greening 80, No. 127842. (DOI) (Web link) - Karl, Thomas; Lamprecht, Christian; Graus, Martin; Cede, Alexander; Tiefengraber, Martin; Vila-Guerau de Arellano, Jordi; Gurarie, David; Lenschow, Donald (2023): High Urban NOx Triggers a Substantial Chemical Downward Flux of Ozone.
In: Science Advances 9/3, No. eadd2365. (DOI) (Web link) - Trimmel, H,; Hamer, P.; Mayer, M.; Schreier, S.; Weihs, P.; Eitzinger, J.; Sanden, H.; Fitzky, A.; Richter, A.; Calvet, J.; Bonan, B.; Meurey, C.; Vallejo, I.; Eckhardt, S.; Santos, G.; Oumami, S.; Arteta, J.; Marecal, V.; Rarrason, L.; Karl, Thomas (2023): The influence of vegetation drought stress on formaldehyde and ozone distributions over a central European city.
In: Atmospheric Environment 304, No. 119768. (DOI) (Web link) - Ye, Chunxiang; Zhou, Xianliang; Zhang, Yingjie; ..., ...; Karl, Thomas; et al (2023): Synthesizing evidence for the external cycling of NOx in high- to low-NOx atmospheres.
In: Nature Communications 14, No. 7995. (DOI) (Web link)
Proceedings Article (Abstract)
- Stichaner, Michael; Lamprecht, Christian; Graus, Martin; Goded, Ignacio; Jensen, Niels; Karl, Thomas (2023): A statistical gap filling model for methane fluxes over an urban area in the Alps.
In: EGUsphere: EGU - General Assembly 2023 - Book of Abstracts. 23–28 April 2023, Wien. Göttingen: Copernicus., No. EGU23-7706. (DOI) (Web link)