Publikationen von Hartwig Harder

Unfer, G. R., Machado, L. A. T., Albrecht, R. I., Cecchini, M. A., Harder, H., Magina, F. C., Pöhlker, M. L., Pöschl, U., de Arellano, J. V. G., Williams, E. R., Wolff, S. und Pöhlker, C.: Decoding the relationship between cloud electrification, downdrafts, and surface ozone in the Amazon basin, Journal of Geophysical Research: Atmospheres, 130(4), doi:10.1029/2024JD042158, 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., 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. und Lelieveld, J.: Isoprene nitrates drive new particle formation in Amazon’s upper troposphere, Nature, 636, 124–130, doi:10.1038/s41586-024-08192-4, 2024.

Shen, J., Russell, D. M., DeVivo, J., Kunkler, F., Baalbaki, R., Mentler, B., Scholz, W., Yu, W., Caudillo-Plath, L., Sommer, E., Ahongshangbam, E., Alfaouri, D., Almeida, J., Amorim, A., Beck, L. J., Beckmann, H., Berntheusel, M., Bhattacharyya, N., Canagaratna, M. R., Chassaing, A., Cruz-Simbron, R., Dada, L., Duplissy, J., Gordon, H., Granzin, M., Schute, L. G., Heinritzi, M., Iyer, S., Klebach, H., Krüger, T., Kürten, A., Lampimäki, M., Liu, L., Lopez, B., Martinez, M., Morawiec, A., Onnela, A., Peltola, M., Rato, P., Reza, M., Richter, S., Rörup, B., Sebastian, M. K., Simon, M., Surdu, M., Tamme, K., Thakur, R. C., Tomé, A., Tong, Y., Top, J., Umo, N. S., Unfer, G., Vettikkat, L., Weissbacher, J., Xenofontos, C., Yang, B., Zauner-Wieczorek, M., Zhang, J., Zheng, Z., Baltensperger, U., Christoudias, T., Flagan, R. C., Haddad, I. E., Junninen, H., Möhler, O., Riipinen, I., Rohner, U., Schobesberger, S., Volkamer, R., Winkler, P. M., Hansel, A., Lehtipalo, K., Donahue, N. M., Lelieveld, J., Harder, H., Kulmala, M., Worsnop, D. R., Kirkby, J., Curtius, J. und He, X.-C.: New particle formation from isoprene under upper-tropospheric conditions, Nature, 636, 115–123, doi:10.1038/s41586-024-08196-0, 2024.

Machado, L. A. T., Unfer, G. R., Brill, S., Hildmann, S., Pöhlker, C., Cheng, Y., Williams, J., Harder, H., Andreae, M. O., Artaxo, P., Curtius, J., Franco, M. A., Cecchini, M. A., Edtbauer, A., Hoffmann, T., Holanda, B., Khadir, T., Krejci, R., Kremper, L. A., Liu, Y., Meller, B. B., Pöhlker, M. L., Quesada, C. A., Ringsdorf, A., Riipinen, I., Trumbore, S., Wolff, S., Lelieveld, J. und Pöschl, U.: Frequent rainfall-induced new particle formation within the canopy in the Amazon rainforest, Nature Geoscience, 17, doi:10.1038/s41561-024-01585-0, 2024.

Xenofontos, C., Kohl, M., Ruhl, S., Almeida, J., Beckmann, H. M., Caudillo-Plath, L., Ehrhart, S., Höhler, K., Kaniyodical Sebastian, M., Kong, W., Kunkler, F., Onnela, A., Rato, P., Russell, D. M., Simon, M., Stark, L., Umo, N. S., Unfer, G. R., Yang, B., Yu, W., Zauner-Wieczorek, M., Zgheib, I., Zheng, Z., Curtius, J., Donahue, N. M., El Haddad, I., Flagan, R. C., Gordon, H., Harder, H., He, X.-C., Kirkby, J., Kulmala, M., Möhler, O., Pöhlker, M. L., Schobesberger, S., Volkamer, R., Wang, M., Borrmann, S., Pozzer, A., Lelieveld, J. und Christoudias, T.: The impact of ammonia on particle formation in the Asian Tropopause Aerosol Layer, npj Climate and Atmospheric Science, 7(1), doi:10.1038/s41612-024-00758-3, 2024.

Nowatzki, M., Fitzsimmons, K. E., Harder, H. und Rosner, H.-J.: Investigating palaeodune orientations and contemporary wind regimes in Southeast Kazakhstan using a semi-automated mapping framework, Earth surface processes and landforms, 49, doi:10.1002/esp.5981, 2024.

Machado, L. A. T., Kesselmeier, J., Botía, S., van Asperen, H., Andreae, M. O., de Araújo, A. C., Artaxo, P., Edtbauer, A., Ferreira, R. R., Franco, M. A., Harder, H., Jones, S. P., Dias-Júnior, C. Q., Haytzmann, G. G., Quesada, C. A., Komiya, S., Lavrič, J. V., Lelieveld, J., Levin, I., Nölscher, A., Pfannerstill, E. Y., Pöhlker, M. L., Pöschl, U., Ringsdorf, A., Rizzo, L., Yáñez-Serrano, A. M., Trumbore, S. E., Valenti, W. I. D., de Arellano , J. V.-G., Walter, D., Williams, J., Wolff, S. und Pöhlker, C.: How rainfall events modify trace gas mixing ratios in central Amazonia, Atmospheric Chemistry and Physics, 24(15), 8893–8910, doi:10.5194/acp-24-8893-2024, 2024.

Nussbaumer, C. M., Kohl, M., Pozzer, A., Tadic, I., Rohloff, R., Marno, D., Harder, H., Ziereis, H. A., Zahn, A., Obersteiner, F., Hofzumahaus, A., Fuchs, H., Künstler, C., Brune, W. H., Ryerson, T. B., Peischl, J., Thompson, C., Bourgeois, I., Lelieveld, J. und Fischer, H.: Ozone Formation Sensitivity to Precursors and Lightning in the Tropical Troposphere Based on Airborne Observations, Journal of Geophysical Research: Atmospheres, 129(14), doi:10.1029/2024JD041168, 2024.

Kirkby, J., Amorim, A., Baltensperger, U., Carslaw, K. S., Christoudias, T., Curtius, J., Donahue, N. M., Haddad, I. E., Flagan, R. C., Gordon, H., Hansel, A., Harder, H., Junninen, H., Kulmala, M., Kürten, A., Laaksonen, A., Lehtipalo, K., Lelieveld, J., Möhler, O., Riipinen, I., Stratmann, F., Tomé, A., Virtanen, A., Volkamer, R., Winkler, P. M. und Worsnop, D. R.: Atmospheric new particle formation from the CERN CLOUD experiment, Nature Geoscience, 16, 948–957, doi:10.1038/s41561-023-01305-0, 2023.

Hamryszczak, Z., Dienhart, D., Brendel, B., Rohloff, R., Marno, D., Martinez, M., Harder, H., Pozzer, A., Bohn , B., Zöger , M., Lelieveld, J. und 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), 5929–5943, doi:10.5194/acp-23-5929-2023, 2023.

Dienhart, D., Brendel, B., Crowley, J. N., Eger, P. G., Harder, H., Martinez, M., Pozzer, A., Rohloff, R., Schuladen, J., Tauer, S., Walter, D., Lelieveld, J. und 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), 119–142, doi:10.5194/acp-23-119-2023, 2023.

Beall, C. M., Hill, T. C. J., DeMott, P. J., Könemann, T., Pikridas, M., Drewnick, F., Harder, H., Pöhlker, C., Lelieveld, J., Weber, B., Iakovides, M., Prokeš, R., Sciare, J., Andreae, M. O., Stokes, M. D. und Prather, K. A.: Ice-Nucleating Particles Near Two Major Dust Source Regions, Atmospheric Chemistry and Physics, 22(18), 12607–12627, doi:10.5194/acp-22-12607-2022, 2022.

Osipov, S., Chowdhury, S., Crowley, J. N., Tadic, I., Drewnick, F., Borrmann, S., Eger, P., Fachinger, F., Fischer, H., Predybaylo, E., Fnais, M., Harder, H., Pikridas, M., Vouterakos, P., Pozzer, A., Sciare, J., Ukhov, A., Stenchikov, G. L., Williams, J. und Lelieveld, J.: Severe atmospheric pollution in the Middle East is attributable to anthropogenic sources, Communications Earth & Environment, 3, doi:10.1038/s43247-022-00514-6, 2022.

Reifenberg, S. F., Martin, A., Kohl, M., Bacer, S., Hamryszczak, Z., Tadic, I., Röder, L., Crowley, D. J., Fischer, H., Kaiser, K., 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. und 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), 10901–10917, doi:10.5194/acp-22-10901-2022, 2022.

Wietzoreck, M., Kyprianou, M., Bandowe, B. A. M., Celik, S., Crowley, J. N., Drewnick, F., Eger, P., Friedrich, N., Iakovides, M., Kukučka, P., Kuta, J., Nežiková, B., Pokorná, P., Přibylová, P., Prokeš, R., Rohloff, R., Tadic, I., Tauer, S., Wilson, J., Harder, H., Lelieveld, J., Pöschl, U., Stephanou, E. G. und Lammel, G.: Polycyclic aromatic hydrocarbons (PAHs) and their alkylated, nitrated and oxygenated derivatives in the atmosphere over the Mediterranean and Middle East seas, Atmospheric Chemistry and Physics, 22(13), 8739–8766, doi:10.5194/acp-22-8739-2022, 2022.

Nussbaumer, C. M., Pozzer, A., Tadic, I., Röder, L., Obersteiner, F., Harder, H., Lelieveld, J. und Fischer, H.: Tropospheric ozone production and chemical regime analysis during the COVID-19 lockdown over Europe, Atmospheric Chemistry and Physics, 21(9), 6151–6165, doi:10.5194/acp-22-6151-2022, 2022.

Voigt, C., Lelieveld, J., Schlager, H., Schneider, J., Curtius, J., Meerkötter, R., Sauer, D., Bugliaro, L., Bohn, B., Crowley, J. N., Erbertseder, T., Groβ, S., Hahn, V., Li, Q., Mertens, M., Pöhlker, M. L., Pozzer, A., Schumann, U., Tomsche, L., Williams, J., Zahn, A., Andreae, M., Borrmann, S., Bräuer, T., Dörich, R., Dörnbrack, A., Edtbauer, A., Ernle, L., Fischer, H., Giez, A., Granzin, M., Grewe, V., Harder, H., Heinritzi, M., Holanda, B. A., Jöckel, P., Kaiser, K., Krüger, O. O., Lucke, J., Marsing, A., Martin, A., Matthes, S., Pöhlker, C., Pöschl, U., Reifenberg, S., Ringsdorf, A., Scheibe, M., Tadic, I., Zauner-Wieczorek, M., Henke, R. und Rapp, M.: Cleaner skies during the COVID-19 lockdown, Bulletin of the American Meteorological Society, 103, doi:10.1175/BAMS-D-21-0012.1, 2022.

Nussbaumer, C. M., Crowley, J. N., Schuladen, J., Williams, J., Hafermann, S., Reiffs, A., Axinte, R., Harder, H., Ernest, C., Novelli, A., Sala, K., Martinez, M., Mallik, C., Tomsche, L., Plass-Dülmer, C., Bohn , B., Lelieveld, J. und Fischer, H.: Measurement report: Photochemical production and loss rates of formaldehyde and ozone across Europe, Atmospheric Chemistry and Physics, 21(24), 18413–18432, doi:10.5194/acp-21-18413-2021, 2021.

Dienhart, D., Crowley, J. N., Bourtsoukidis, E., Edtbauer, A., Eger, P. G., Ernle, L., Harder, H., Hottmann, B., Martinez, M., Parchatka, U., Paris, J.-D., Pfannerstill, E. Y., Rohloff, R., Schuladen, J., Stönner, C., Tadic, I., Tauer, S., Wang, N., Williams, J., Lelieveld, J. und Fischer, H.: Measurement report: Observation-based formaldehyde production rates and their relation to OH reactivity around the Arabian Peninsula, Atmospheric Chemistry and Physics, 21(23), 17373–17388, doi:10.5194/acp-21-17373-2021, 2021.

Nussbaumer, C. M., Parchatka, U., Tadic, I., Bohn , B., Marno, D., Martinez, M., Rohloff, R., Harder, H., Kluge, F., Pfeilsticker, K., Obersteiner, F., Zöger, M., Doerich, R., Crowley, J. N., Lelieveld, J. und Fischer, H.: Modification of a conventional photolytic converter for improving aircraft measurements of NO₂ via chemiluminescence chemiluminescence, Atmospheric Measurement Techniques, 14(10), 6759–6776, doi:10.5194/amt-14-6759-2021, 2021.