Oral Scientific Publications

Year 2003

Presentations at International Conferences/Workshops/Seminars

Kirchengast, G. (invited)
The satellite mission ACE+: Benchmark measurements on climate change by GPS, GALILEO, and LEO-LEO radio occultation
Invited Seminar Talk at Harvard University, Cambridge, MA, USA, November 2003.

Kirchengast, G., P. Hoeg, and the ESA-ACEPASS Study Science Team (invited):
The ESA radio occultation mission ACE+: A novel system for benchmark measurements, Atmoshperic Remote Sensing using Satellite Navigation Systems: Special Symposium of the URSI Working Group FG, Matera, Italy, October 2003.

Kirchengast, G., U. Foelsche, A.K. Steiner, and A. Gobiet (invited)
Watching climate change: Towards global climate monitoring using GPS occultation data from CHAMP and SAC-C
23rd General Assembly of the IUGG (IUGG 2003), Sapporo, Japan, July 2003.

Kirchengast, G. (oral)
Occultation observations of atmosphere and climate change from space: a backbone for the Global Climate Observing System (GCOS)
EGS-AGU-EUG Joint Assembly 2003, Nice, France, April 2003.

Selected Further Presentations
(at Meetings of Int´l Bodies, Universities, Public Symposia, etc.)

Kirchengast, G. (invited)
ACE+ temperature and humidity retrieval performance for LEO-LEO occultation: first end-to-end simulation results of the ACEPASS study
4th Meeting of the ACE+ Mission Advisory Group (ACE+ MAG), ESA/ESTEC, Noordwijk, Netherlands, August 2003.

Kirchengast, G. (invited)
Atmosphere and Climate Explorer ACE+: European context and an overview
GAM/UniGraz Visit of EC Commissioner Philippe Busquin and Delegation, University of Graz, Austria, May 2003.

Kirchengast, G., and the EGOPS Development Team (J. Ramsauer, J. Fritzer, W. Poetzi, A. Steiner, U. Foelsche, P. Silvestrin, S. Syndergaard, M. Gorbunov, G. Larsen, K. Schultz, L. Kornblueh, H. Reichinger, S. Healy, S. Schweitzer, A. Gobiet, M. Schwaerz, M. Lohmann, A. Nielsen, L. Olsen, P. Eriksson, L. Gradinarsky, T. Kuhn, C. Melsheimer, S. Leroy, and several others in the institutions involved) (invited)
The end-to-end occultation sounding simulator EGOPS - from EGOPS4 to EGOPS5
Mid-Term Review Meeting of the ESA ACE+ Phase A Scientific Support (ACEPASS) Study on LEO-LEO occultation characterization, ESA/ESTEC, Noordwijk, Netherlands, May 2003.

Kirchengast, G., J. Fritzer, J. Ramsauer, and U. Foelsche (invited)
Generation of GNSS Receiver for Atmospheric Sounding (GRAS) test data - results and insights
Final Presentation Meeting of the EUMETSAT GRAS Test Data Generation Study, EUMETSAT, Darmstadt, Germany, March 2003.

Kirchengast, G. (invited)
The end-to-end occultation sounding simulator EGOPS - EGOPS4 and next steps
Final Presentation Meeting of the EUMETSAT GRAS Test Data Generation Study, EUMETSAT, Darmstadt, Germany, March 2003.

Kirchengast, G. (invited)
Die Atmosphären- und Klimasatellitenmission ACE+: Dem Klimawandel auf der Spur
PI (Pädagog. Institut) Seminar zu "Umwelt und Klima", Lichtenfelsgymnasium, Graz, Austria, January 2003.

Kirchengast, G. (invited)
Verändert sich unser Klima? Von Menschenhand gesteuert oder normale Entwicklung?
Symp. "Hochwasser, Stürme, Lawinen: Was kommt morgen?" des ökosozialen forums Steiermark, Pischelsdorf, Styria, Austria, January 2003.