Christoph, M., and U. Ulbrich, 1999: Fluctuations of the NAO and north atlantic storm track activity in the ECHAM4/OPYC3 coupled AOGCM. IUGG99 Birmingham, Abstracts, B41.
Klawa, M., J. Wefers und U. Ulbrich, 1999: Schadenintensive Sturmereignisse in Mitteleuropa im Zusammenhang mit der Nordatlantischen Oszillation. Symposium „Naturkatastrophen in Mittelgebirgsregionen“, 11./12. Oktober 1999 in Karlsruhe.
Knippertz, P.; Ulbrich, U., 1999: Changing cyclones and low-level winds over the north-Atlantic and Europe in a transient GHG experiment. Geophysical Research Abstracts, 1, No. 2, 552.
Leckebusch, G. and P. Speth, 1999: Meteorological Interpretation of Results from Antarctic Ice Cores by using an AGCM under Different Paleoclimate Boundary Conditions. 10th Symposium on Global Change Studies. 10-15 January 1999, 79th AMS Annual Meeting, Dallas, Texas, 294-295.
Pinto, J.G.; Ulbrich, U.; Speth, P., 1999: The variability of cyclone activity in the Mediterranean in the last 40 years and its impact on precipitation variability. Proceedings from the Plinius Conference on Mediterranean Storms, Maratea October 1999.
Ulbrich, U., and M. Christoph, 1999: North Atlantic Storm Track variability related to NAO and PNA. 4th international conference on modelling of global climate change and variability, 13-17September 1999, Max-Planck-Institut für Meteorologie Hamburg, Abstracts p. 146
Wefers, J. , und U. Ulbrich, 1999: Die Auftretenswahrscheinlichkeit von Hochwasserereignissen. Symposium „Naturkatastrophen in Mittelgebirgsregionen“, 11./12. Oktober 1999 in Karlsruhe, Tagungsband, S. 23-25.
