Publications of Horst Fischer

Ort, L.; Frankenberg, C.; Dadheech, N.; Yoon, J.; Turner, A.; Bloom, A.; Konopka, P.; Lachnitt, H.-C.; Hoor, P.; Lelieveld, J. et al.; Kort, E.; Fischer, H.: Airborne Observations Reveal Underestimated Riverine Methane Emissions Across the Amazon. Geophysical Research Letters 53 (13), e2026GL122310 (2026)

Weyland, B.; Rosanka, S.; Taraborrelli, D.; Bohn, B.; Zahn, A.; Obersteiner, F.; Förster, E.; Mertens, M.; Jöckel, P.; Ziereis, H. et al.; Kaiser, K.; Fischer, H.; Crowley, J. N.; Wang, N.; Edtbauer, A.; Williams, J.; Andrés Hernández, M. D.; Burrows, J. P.; Kluge, F.; Rotermund, M. K.; Butz, A.; Pfeilsticker, K.: Airborne remote sensing of nitrous acid in the troposphere: potential sources of excess HONO. Atmospheric Chemistry and Physics 26 (10), pp. 6825 - 6856 (2026)

Andersen, S. T.; Nelson, C.; Wüst, L.; Dewald, P.; Türk, G. N. T. E.; Schuladen, J.; Fischer, H.; Ehn, M.; Petaja, T.; Rannik, U. et al.; Ylivinkka, I.; Ahonen, L. R.; Rynek, R.; Borsdorf, H.; Mayer, T.; Lelieveld, J.; Crowley, J. N.: Nocturnal vertical gradients in O₃, PAN and PAA in a boreal forest: the role of chemical reactions, deposition and entrainment. Environmental science: Atmospheres 6 (4), pp. 496 - 514 (2026)

Dewald, P.; Andersen, S. T.; Türk, G. N. T. E.; Wüst, L.; Nelson, C.; Schuladen, J.; Ehn, M.; Petaja, T.; Ylivinkka, I.; Ahonen, L. R. et al.; Fischer, H.; Lelieveld, J.; Crowley, J. N.: Vertical profiles of NO₃ reactivity within the surface layer of a boreal forest. Environmental science: Atmospheres 6 (4), pp. 551 - 564 (2026)

Ort, L.; Pozzer, A.; Hoor, P.; Obersteiner, F.; Zahn, A.; Ryerson, T. B.; Thompson, C. R.; Peischl, J.; Commane, R.; Daube, B. et al.; Bourgeois, I.; Lelieveld, J.; Fischer, H.: Enhancement of O₃-CO ratios at tropospheric subtropical latitudes: Photochemistry and stratospheric influence. Atmospheric Chemistry and Physics 25 (21), pp. 14987 - 15007 (2025)

Crowley, J. N.; Dörich, R.; Eger, P.; Helleis, F.; Tadic, I.; Fischer, H.; Williams, J.; Edtbauer, A.; Wang, N.; Holanda, B. A. et al.; Pöhlker, M. L.; Pöschl, U.; Pozzer, A.; Lelieveld, J.: Peroxy acetyl nitric anhydride (PAN) and peroxy acetic acid (PAA) over the Atlantic west of Africa during CAFE-Africa and the influence of biomass-burning. Environmental science: Atmospheres 5 (5), pp. 620 - 635 (2025)

Curtius, J.; Heinritzi, M.; Beck, L. J.; Pöhlker , M. L.; Tripathi, N.; Krumm, B. E.; Holzbeck, P.; Nussbaumer, C. M.; Pardo, L. H.; Klimach, T. et al.; Barmpounis, K.; Andersen, S. T.; Bardakov, R.; Bohn, B.; Cecchini, M. A.; Chaboureau, J.-P.; Dauhut, T.; Dienhart, D.; Dörich, R.; Edtbauer, A.; Giez, A.; Hartmann, A.; Holanda, B. A.; Joppe, P.; Kaiser, K.; Keber, T.; Klebach, H.; Krüger, O. O.; Kürten, A.; Mallaun, C.; Marno, D.; Martinez, M.; Monteiro, C.; Nelson, C.; Ort, L.; Raj, S. S.; Richter, S.; Ringsdorf, A.; Rocha, F.; Simon, M.; Sreekumar, S.; Tsokankunku, A.; Unfer, G. R.; Valenti, I. D.; Wang, N.; Zahn, A.; Zauner-Wieczorek, M.; Albrecht, R. I.; Andreae, M. O.; Artaxo, P.; Crowley, J. N.; Fischer, H.; Harder, H.; Herdies, D. L.; Machado, L. A. T.; Pöhlker, C.; Pöschl, U.; Possner, A.; Pozzer, A.; Schneider, J.; Williams, J.; Lelieveld, J.: Author Correction: Isoprene nitrates drive new particle formation in Amazon’s upper troposphere. Nature (2025)

Nussbaumer, C. M.; Pozzer, A.; Hewson, M.; Ort, L.; Krumm, B.; Byron, J.; Williams, J.; Joppe, P.; Obersteiner, F.; Zahn, A. et al.; Lelieveld, J.; Fischer, H.: Low Tropospheric Ozone Over the Indo-Pacific Warm Pool Related to Non-Electrified Convection. Geophysical Research Letters 52 (5), e2024GL112788 (2025)

Curtius, J.; Heinritzi, M.; Beck, L. J.; Pöhlker , M. L.; Tripathi, N.; Krumm, B. E.; Holzbeck, P.; Nussbaumer, C. M.; Pardo, L. H.; Klimach, T. et al.; Barmpounis, K.; Andersen, S. T.; Bardakov, R.; Bohn, B.; Cecchini, M. A.; Chaboureau, J.-P.; Dauhut, T.; Dienhart, D.; Dörich, R.; Edtbauer, A.; Giez, A.; Hartmann, A.; Holanda, B. A.; Joppe, P.; Kaiser, K.; Keber, T.; Klebach, H.; Krüger, O. O.; Kürten, A.; Mallaun, C.; Marno, D.; Martinez, M.; Monteiro, C.; Nelson, C.; Ort, L.; Raj, S. S.; Richter, S.; Ringsdorf, A.; Rocha, F.; Simon, M.; Sreekumar, S.; Tsokankunku, A.; Unfer, G. R.; Valenti, I. D.; Wang, N.; Zahn, A.; Zauner-Wieczorek, M.; Albrecht, R. I.; Andreae, M. O.; Artaxo, P.; Crowley, J. N.; Fischer, H.; Harder, H.; Herdies, D. L.; Machado, L. A. T.; Pöhlker, C.; Pöschl, U.; Possner, A.; Pozzer, A.; Schneider, J.; Williams, J.; Lelieveld, J.: Isoprene nitrates drive new particle formation in Amazon’s upper troposphere. Nature 636, pp. 124 - 130 (2024)

Curtius, J.; Heinritzi, M.; Beck, L. J.; Pöhlker, M. L.; Tripathi, N.; Krumm, B. E.; Holzbeck, P.; Nussbaumer, C. M.; Pardo, L. H.; Klimach, T. et al.; Barmpounis, K.; Andersen, S. T.; Bardakov, R.; Bohn, B.; Cecchini, M. A.; Chaboureau, J.-P.; Dauhut, T.; Dienhart, D.; Dörich, R.; Edtbauer, A.; Giez, A.; Hartmann, A.; Holanda, B. A.; Joppe, P.; Kaiser, K.; Keber, T.; Klebach, H.; Krüger, O. O.; Kuerten, A.; Mallaun, C.; Marno, D.; Martinez, M.; Monteiro, C.; Nelson, C.; Ort, L.; Raj, S. S.; Richter , S.; Ringsdorf, A.; Rocha, F.; Simon, M.; Sreekumar, S.; Tsokankunku, A.; Unfer, G. R.; Valenti, I. D.; Wang, N.; Zahn, A.; Zauner-Wieczorek, M.; Albrecht, R. I.; Andreae, M. O.; Artaxo, P.; Crowley, J. N.; Fischer, H.; Harder, H.; Herdies, D. L.; Machado, L. A. T.; Pöhlker, C.; Pöschl, U.; Possner, A.; Pozzer, A.; Schneider, J.; Williams, J.; Lelieveld, J.: Isoprene nitrates drive new particle formation in Amazon's upper troposphere. Nature 636 (8041), pp. 124 - 130 (2024)

Nussbaumer, C. M.; Kohl, M.; Pozzer, A.; Tadic, I.; Rohloff, R.; Marno, D.; Harder, H.; Ziereis, H. A.; Zahn, A.; Obersteiner, F. et al.; Hofzumahaus, A.; Fuchs, H.; Künstler, C.; Brune, W. H.; Ryerson, T. B.; Peischl, J.; Thompson, C.; Bourgeois, I.; Lelieveld, J.; Fischer, H.: Ozone Formation Sensitivity to Precursors and Lightning in the Tropical Troposphere Based on Airborne Observations. Journal of Geophysical Research: Atmospheres 129 (14), e2024JD041168 (2024)

Röder, L. L.; Ort, L.; Lelieveld, J.; Fischer, H.: Quantitative analysis of temporal stability and instrument performance during field experiments of an airborne QCLAS via Allan–Werle-plots. Applied Physics B: Lasers and Optics 130, 118 (2024)

Ort, L.; Röder, L. L.; Parchatka, U.; Königstedt, R.; Crowley, D.; Kunz, F.; Wittkowski, R.; Lelieveld, J.; Fischer, H.: In-flight characterization of a compact airborne quantum cascade laser absorption spectrometer. Atmospheric Measurement Techniques 17 (11), pp. 3553 - 3565 (2024)

Nussbaumer, C. M.; Fischer, H.; Lelieveld, J.; Pozzer, A.: What controls ozone sensitivity in the upper tropical troposphere? Atmospheric Chemistry and Physics 23 (19), pp. 12651 - 12669 (2023)

Hamryszczak, Z.; Dienhart, D.; Brendel, B.; Rohloff, R.; Marno, D.; Martinez, M.; Harder, H.; Pozzer, A.; Bohn , B.; Zöger , M. et al.; Lelieveld, J.; Fischer, H.: Measurement report: Hydrogen peroxide in the upper tropical troposphere over the Atlantic Ocean and western Africa during the CAFE-Africa aircraft campaign. Atmospheric Chemistry and Physics 23 (10), pp. 5929 - 5943 (2023)

Röder, L. L.; Dewald, P.; Nussbaumer, C. M.; Schuladen, J.; Crowley, J. N.; Lelieveld, J.; Fischer, H.: Data quality enhancement for field experiments in atmospheric chemistry via sequential Monte Carlo filters. Atmospheric Measurement Techniques 16 (5), pp. 1167 - 1178 (2023)

Dienhart, D.; Brendel, B.; Crowley, J. N.; Eger, P. G.; Harder, H.; Martinez, M.; Pozzer, A.; Rohloff, R.; Schuladen, J.; Tauer, S. et al.; Walter, D.; Lelieveld, J.; Fischer, H.: Formaldehyde and hydroperoxide distribution around the Arabian Peninsula – evaluation of EMAC model results with ship-based measurements. Atmospheric Chemistry and Physics 23 (1), pp. 119 - 142 (2023)

Tomsche , L.; Marsing, A.; Jurkat-Witschas, T.; Lucke, J.; Kaufmann, S.; Kaiser, K.; Schneider, J.; Scheibe, M.; Schlager, H.; Röder, L. et al.; Fischer, H.; Obersteiner, F.; Zahn, A.; Lelieveld, J.; Voigt, C.: Enhanced sulfur in the upper troposphere and lower stratosphere in spring 2020. Atmospheric Chemistry and Physics 22 (22), pp. 15135 - 15151 (2022)

Osipov, S.; Chowdhury, S.; Crowley, J. N.; Tadic, I.; Drewnick, F.; Borrmann, S.; Eger, P.; Fachinger, F.; Fischer, H.; Predybaylo, E. et al.; Fnais, M.; Harder, H.; Pikridas, M.; Vouterakos, P.; Pozzer, A.; Sciare, J.; Ukhov, A.; Stenchikov, G. L.; Williams, J.; Lelieveld, J.: Severe atmospheric pollution in the Middle East is attributable to anthropogenic sources. Communications Earth & Environment 3, 203 (2022)

Reifenberg, S. F.; Martin, A.; Kohl, M.; Bacer, S.; Hamryszczak, Z.; Tadic, I.; Röder, L.; Crowley, D. J.; Fischer, H.; Kaiser, K. et al.; Schneider, J.; Dörich, R.; Crowley, J. N.; Tomsche, L.; Marsing, A.; Voigt, C.; Zahn, A.; Pöhlker, C.; Holanda, B. A.; Krüger, O.; Pöschl, U.; Pöhlker, M.; Jöckel, P.; Dorf, M.; Schumann, U.; Williams, J.; Bohn, B.; Curtius, J.; Harder, H.; Schlager, H.; Lelieveld, J.; Pozzer, A.: Numerical simulation of the impact of COVID-19 lockdown on tropospheric composition and aerosol radiative forcing in Europe. Atmospheric Chemistry and Physics 22 (16), pp. 10901 - 10917 (2022)