Publications of Einar Karu

Karu, E., Li, M., Ernle, L., Brenninkmeijer, C. A. M., Lelieveld, J. and Williams, J.: Carbonyl Sulfide (OCS) in the Upper Troposphere/Lowermost Stratosphere (UT/LMS) Region: Estimates of Lifetimes and Fluxes, Geophysical Research Letters, 50(19), doi:10.1029/2023GL105826, 2023.

Eger, P. G., Vereecken, L., Sander, R., Schuladen, J., Sobanski, N., Fischer, H., Karu, E., Williams, J., Vakkari, V., Petäjä, T., Lelieveld, J., Pozzer, A. and Crowley, J. N.: Impact of pyruvic acid photolysis on acetaldehyde and peroxy radical formation in the boreal forest: theoretical calculations and model results, Atmospheric Chemistry and Physics, 21(18), 14333–14349, doi:10.5194/acp-21-14333-2021, 2021.

Karu, E., Li, M., Ernle, L., Brenninkmeijer, C. A. M., Lelieveld, J. and Williams, J.: Atomic emission detector with gas chromatographic separation and cryogenic pre-concentration (CryoTrap-GC-AED) for atmospheric trace gas measurements, Atmospheric Measurement Techniques, 14(3), 1817–1831, doi:10.5194/amt-14-1817-2021, 2021.

Eger, P., Schuladen, J., Sobanski, N., Fischer, H., Karu, E., Williams, J., Riva, M., Zha, Q., Ehn, M., Quelever, L. L. J., Schallhart, S., Lelieveld, J. and Crowley, J. N.: Pyruvic acid in the boreal forest: gas-phase mixing ratios and impact on radical chemistry, Atmospheric Chemistry and Physics, 20(6), 3697–3711, doi:10.5194/acp-20-3697-2020, 2020.

Liebmann, J. M., Sobanski, N., Schuladen, J., Karu, E., Hellen, H., Hakola, H., Zha, Q., Ehn, M., Riva, M., Heikkinen, L., Williams, J., Fischer, H., Lelieveld, J. and Crowley, J. N.: Alkyl nitrates in the boreal forest: formation via the NO₃-, OH- and O₃-induced oxidation of biogenic volatile organic compounds and ambient lifetimes, Atmospheric Chemistry and Physics, 19(15), 10391–10403, doi:10.5194/acp-19-10391-2019, 2019.

Ditas, J., Ma, N., Zhang, Y., Assmann , D., Neumaier, M., Riede, H., Karu, E., Williams, J., Scharffe, D., Wang, Q., Saturno, J., Schwarz, J. P., Katich, J. M., McMeeking, G. R., Zahn, A., Hermann, M., Brenninkmeijer, C. A. M., Andreae, M. O., Pöschl, U., Su, H. and Cheng, Y.: Strong impact of wildfires on the abundance and aging of black carbon in the lowermost stratosphere, Proceedings of the National Academy of Sciences of the United States of America, 115(50), E11595–E11603, doi:10.1073/pnas.1806868115, 2018.

Li, M., Karu, E., Brenninkmeijer, C. A. M., Fischer, H., Lelieveld, J. and Williams, J.: Tropospheric OH and stratospheric OH and Cl concentrations determined from CH₄, CH₃Cl, and SF₆ measurements, npj Climate and Atmospheric Science, 1, doi:10.1038/s41612-018-0041-9, 2018.

Liebmann, J. M., Karu, E., Sobanski, N., Schuladen, J., Ehn, M., Schallhart, S., Quelever, L., Hellen, H., Hakola, H., Hoffmann, T., Williams, J., Fischer, H., Lelieveld, J. and Crowley, J. N.: Direct measurement of NO₃ radical reactivity in a boreal forest, Atmospheric Chemistry and Physics, 18(5), 3799–3815, doi:10.5194/acp-18-3799-2018, 2018.

Brueggemann, M., Karu, E. and Hoffmann, T.: Critical assessment of ionization patterns and applications of ambient desorption/ionization mass spectrometry using FAPA-MS, Journal of Mass Spectrometry, 51(2), 141–149, doi:10.1002/jms.3733, 2016.

Karu, E.: Atmospheric sulfur compounds in the troposphere and stratosphere measured with an atomic emission detector, PhD Thesis, Universität, Mainz. [online] Available from: http://hdl.handle.net/21.11116/0000-0005-FF2B-D, 2019.

Eger, P. G., Schuladen, J., Sobanski, N., Fischer, H., Karu, E., Williams, J., Vakkari, V., Lelieveld, J. and Crowley, J. N.: Modelling the impact of gas-phase pyruvic acid on acetaldehyde and peroxy radical formation in the boreal forest, Atmospheric Chemistry and Physics Discussions, 20, doi:10.5194/acp-2020-975, 2020.

Karu, E., Li, M., Ernle, L., Brenninkmeijer, C. A. M., Lelieveld, J. and Williams, J.: Atomic emission detector with gas chromatographic separation and cryogenic pre-concentration (CryoTrap-GC-AED) for atmospheric trace gas measurements, Atmospheric Measurement Techniques Discussions, 13, doi:10.5194/amt-2020-199, 2020.