Publications of Oliver Appel

Brauner, P., Appel, O., Eppers, O., Köllner, F., Clemen, H.-C., Bräuer, T., Lachnitt, H.-C., Kaiser, K., Schneider, J., Dragoneas, A., Hünig, A., Molleker, S., Anderson, B. E., Cheng, Y., Schlager, H., Voigt, C. and Borrmann, S.: Measurement report: Chemical composition of submicron aerosol and cirrus and contrail ice residuals measured in the UTLS over Germany in winter 2018, EGUsphere, doi:10.5194/egusphere-2026-2161, 2026.

Ekinci, F., Eppers, O., Appel, O., Ploeger, F., Dragoneas, A., Molleker, S., Brauner, P., Lachnitt, H.-C., Weyland, F., Ort, L., Emig, N., Clemen, H.-C., Tomsche, L., Ebert, M., Hoor, P., Vogel, B., Cheng, Y., Schneider, J., Borrmann, S. and Köllner, F.: Enhancement of ammonium nitrate aerosol in the Northern Hemisphere lower stratosphere linked to Asian summer monsoon outflow, EGUsphere, doi:10.5194/egusphere-2026-998, 2026.

Köllner, F., Kohl, M., Ekinci, F., Eppers, O., Schneider, J., Dragoneas, A., Molleker, S., Johansson, S., Ungermann, J., Kretschmer, E., Höpfner, M., Lauther, V., Volk, C. M., Appel, O., Brauner, P., Kunkel, D., Lachnitt, H.-C., Bozem, H., Weyland, F., Emig, N., Ort, L., Zahn, A., Tomsche, L., Pozzer, A., Lelieveld, J., Cheng, Y., Riese, M., Hoor, P. and Borrmann, S.: Aerosol from the Asian monsoon ubiquitous throughout the extratropical stratosphere, EarthArXiv, doi:10.31223/X5RB46, 2026.