Publications of Hartwig Harder

Weyland , B., Kluge , F., Pfeilsticker , K., Rohloff, R., Harder, H., Tadic, I., Fischer, H., Doerich, R., Crowley, J., Bohn , B., Taraborrelli , D., Rosanka , S. and Obersteiner , F.: Measurements of nitrous acid, HO_x and NO_x in the upper troposphere: Is peroxynitrous acid a missing source of HONO?, in XXVIII General Assembly of the International Union of Geodesy and Geophysics (IUGG)., 2023.

Machado, L. A. T., Pöhlker, C., Harder, H., Andreae, M. O., Artaxo, P., Botia, S., Cheng, Y., Franco, M. A., Kremper, L., Komiya, S., Lavric , J., Lelieveld, J., Su, H., Quesada, C. A., Pöhlker, M., Trumbore, S., Walter, D., Williams, J., Wolff, S. and Pöschl, U.: Amazonas Rainfall Modifying Gas Concentration and Forming Nucleation Particles Near the Surface, in EGU General Assembly 2022, Vienna, Austria., 2022.

Walter, D. and Harder, H.: Wald, Wasser, Wolken – Andere Messkampagnen, andere FDM-Strategien, [online] Available from: http://hdl.handle.net/21.11116/0000-000F-D72A-0, 2024.

Harder, H.: Ballongetragene Spektroskopie der Stratosphäre: Messung von BrO-Profilen, PhD Thesis, Ruprecht-Karls-Universität, Heidelberg. [online] Available from: http://hdl.handle.net/11858/00-001M-0000-0014-9656-7, n.d.

Dlugi, R., Berger, M., Mallik, C., Tsokankunku, A., Zelger, M., Acevedo, O. C., Bourtsoukidis, E., Hofzumahaus, A., Kesselmeier, J., Kramm, G., Marno, D., Martinez, M., Nölscher, A. C., Ouwersloot, H., Pfannerstill, E. Y., Rohrer, F., Tauer, S., Williams, J., Yáñez-Serrano, A. M., Andreae, M. O., Harder, H. and Sörgel, M.: Segregation in the atmospheric boundary layer: The case of OH – isoprene, Atmospheric Chemistry and Physics Discussions, 19, doi:10.5194/acp-2018-1325, 2019.

Celik, S., Drewnick, F., Fachinger, F., Brooks, J., Darbyshire, E., Coe, H., Paris, J.-D., Eger, P. G., Schuladen, J., Tadic, I., Friedrich, N., Dienhart, D., Hottmann, B., Fischer, H., Crowley, J. N., Harder, H. and Borrmann, S.: Influence of vessel characteristics and atmospheric processes on the gas and particle phase of ship emission plumes: In-situ measurements in the Mediterranean Sea and around the Arabian Peninsula, Atmospheric Chemistry and Physics Discussions, in review, doi:10.5194/acp-2019-859, 2019.

Marno, D., Ernest, C., Hens, K., Javed, U., Klimach, T., Martinez, M., Rudolf, M., Lelieveld, J. and Harder, H.: Calibration of an airborne HO_X instrument using the All Pressure Altitude based Calibrator for HO_X Experimentation (APACHE), Atmospheric Measurement Techniques Discussions, in review, doi:10.5194/amt-2019-439, 2019.

Fischer, H., Axinte, R., Bozem, H., Crowley, J. N., Ernest, C. T., Gilge, S., Hafermann, S., Harder, H., Hens, K., Königstedt, R., Kubistin, D., Mallik, C., Martinez-Harder, M., Novelli, A., Parchatka, U., Plass-Dülmer, C., Pozzer, A., Regelin, E., Reiffs, A., Schmidt, T., Schuladen, J. and Lelieveld, J.: Diurnal variability, photochemical production and loss processes of hydrogen peroxide in the boundary layer over Europe, Atmospheric Chemistry and Physics Discussions, 18, doi:10.5194/acp-2018-1179, 2018.

Mallik, C., Tomsche, L., Bourtsoukidis, E., Crowley, J. N., Derstroff, B., Fischer, H., Hafermann, S., Hüser, I., Javed, U., Keßel, S., Lelieveld, J., Martinez-Harder, M., Meusel, H., Novelli, A., Phillips, G. J., Pozzer, A., Reiffs, A., Sander, R., Taraborrelli, D., Sauvage, C., Schuladen, J., Su, H., Williams, J. and Harder, H.: Oxidation processes in the Eastern Mediterranean atmosphere: Evidence from the Modelling of HOx Measurements over Cyprus, Atmospheric Chemistry and Physics Discussions, 18, doi:10.5194/acp-2018-25, 2018.

Sander, R., Baumgaertner, A., Cabrera-Perez, D., Frank, F., Grooß , J.-U., Gromov, S., Harder, H., Huijnen, V., Jöckel, P., Karydis, V., Niemeyer, K. E., Pozzer, A., Riede, H., Schultz, M. G., Taraborelli, D. and Tauer, S.: The atmospheric chemistry box model CAABA/MECCA-4.0gmdd, Geoscientific Model Development Discussions, 11, doi:10.5194/gmd-2018-201, 2018.

Bozem, H., Butler, T. M., Lawrence, M. G., Harder, H., Martínez, M., Kubistin, D., Lelieveld, J. and Fischer, H.: Chemical processes related to net ozone tendencies in the free troposphere, Atmospheric Chemistry and Physics Discussions, 17, doi:10.5194/acp-2017-153, 2017.

Bozem, H., Pozzer, A., Harder, H., Martínez, M., Williams, J., Lelieveld, J. and Fischer, H.: The influence of deep convection on HCHO and H₂O₂ in the upper troposphere over Europe, Atmospheric Chemistry and Physics Discussions, 17, doi:10.5194/acp-2017-154, 2017.

Fuchs, H., Novelli, A., Rolletter, M., Hofzumahaus, A., Pfannerstill, E. Y., Keßel, S., Edtbauer, A., Williams, J., Michoud, V., Dusanter, S., Locoge, N., Zannoni, N., Gros, V., Truong, F., Sarda-Esteve, R., Cryer, D. R., Brumby, C. A., Whalley, L. K., Stone, D., Seakins, P. W., Heard, E., Schoemaecker, C., Blocquet, M., Coudert, S., Batut, S., Fittschen, C., Thames, A. B., Brune, W. H., Ernest, C. T., Harder, H., Muller, J. B. A., Elste, T., Kubistin, D., Andres, S., Bohn, B., Hohaus, T., Holland, F., Li, X., Rohrer, F., Kiendler-Scharr, A., Tillmann, R., Wegener, R., Yu, Z., Zou, Q. and Wahner, A.: Comparison of OH reactivity measurements in the atmospheric simulation chamber SAPHIR, Atmospheric Measurement Techniques Discussions, 9, doi:10.5194/amt-2017-231, 2017.

Derstroff, B., Hüser, I., Sander, R., Crowley, J. N., Fischer, H., Gromov, S., Harder, H., Kesselmeier, J., Mallik, C., Martinez, M., Novelli, A., Parchatka, U., Phillips, G. J., Sauvage, C., Schuladen, J., Stönner, C., Tomsche, L. and Williams, J.: Volatile organic compounds (VOCs) in photochemically aged air from the Eastern and Western Mediterranean, Atmospheric Chemistry and Physics Discussions, 16, doi:10.5194/acp-2016-746, 2016.

Meusel, H., Kuhn, U., Reiffs, A., Mallik, C., Harder, H., Martinez, M., Schuladen, J., Bohn, B., Parchatka, U., Crowley, J. N., Fischer, H., Tomsche, L., Novelli, A., Hoffmann , T., Janssen, R. H. H., Hartogensis, O., Pikridas, M., Vrekoussis, M., Bourtsoukidis, E., Weber, B., Lelieveld, J., Williams, J., Pöschl, U., Cheng, Y. and Su, H.: Daytime formation of nitrous acid at a coastal remote site in Cyprus indicating a common ground source of atmospheric HONO and NO, Atmospheric Chemistry and Physics Discussions, 16, doi:10.5194/acp-2016-554, 2016.

Novelli, A., Hens, K., Ernest, C. T., Martinez, M., Nölscher, A. C., Sinha, V., Paasonen, P., Petäjä, T., Sipilä , M., Elste, T., Plass-Dülmer, C., Phillips, G. J., Kubistin, D., Williams, J., Vereecken, L., Lelieveld, J. and Harder, H.: Identifying Criegee intermediates as potential oxidants in the troposphere, Atmospheric Chemistry and Physics Discussions, 16, doi:10.5194/acp-2016-919, 2016.

Byron, J., Pugliese, G., Monteiro, C. de A., Schuettler, J., Edtbauer, A., Alves, E. G., Hartmann, S. C., Tsokankunku, A., Hall, D., Dias-Junior, C. Q., Harder, H., Lelieveld, J. and Williams, J.: Intense El Niño provokes production of new reactive volatiles as stress defences in Amazon rainforest, Research Square, doi:10.21203/rs.3.rs-8134079/v1, 2025.

Schüttler, J. M., Pugliese, G., Byron, J., Dias-Júnior, C. Q., Monteiro, C. de A., Harder, H., Lelieveld, J. and Williams, J.: Chiral Volatile Organic Compound Fluxes from Soil in the Amazon Rainforest across seasons, EGUsphere, doi:10.5194/egusphere-2025-5530, 2025.

Byron, J., Pugliese, G., Monteiro, C., Robin, M., Gomes Alves, E., Schüttler, J., Hartmann, S. C., Krumm, B., Zannoni, N., Tsokankunku, A., Dias-Junior, C., Quesada, C., Harder, H., Bourtsoukidis, E., Lelieveld, J. and Williams, J.: Mirror image molecules expose state of rainforest stress, Research Square, doi:10.21203/rs.3.rs-6394095/v1, 2025.

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. and Fischer, H.: O₃ formation sensitivity to precursors and lightning in the tropical troposphere based on airborne observations, TechRxiv, doi:10.22541/au.171052995.51187469/v1, 2024.