Oral Programme GD6/MPRG20

Observation and interpretation of the geomagnetic secular variation
Convener: A. Fournier 
Co-Conveners: N. Olsen , S. Macmillan , V. Lesur 

Session Details

Poster Programme

Tuesday, 21 Apr 2009 Room: 37 Chairperson: V. Lesur
08:30–08:45	EGU2009-4945 Quantifying paleosecular variation during the Cretaceous Normal Superchron J. Linder and S. A. Gilder
08:45–09:00	EGU2009-4313 Longevity of geomagnetic field features from decades to millennia (solicited) M. Korte
09:00–09:05	Discussion
09:05–09:20	EGU2009-3989 Levantine Paleogeomagnetic intensity Spike at ˜3 ky BP: archaeomagnetic and C14 evidence from southern Israel (withdrawn) H. Ron
09:20–09:35	EGU2009-4074 Geomagnetic field intensity variations in Western Europe during the past 800 years as inferred from architectural bricks sampled in Tuscany, Italy A. Genevey, Y. Gallet, F. Andreazzoli, C. Principe, M. Le Goff, G. Garzella, and M. Milanese
09:35–09:50	EGU2009-5695 Core surface field evolution models from recent satellite and observatory data (solicited) C.C Finlay, N. Gillet, and A. Jackson
09:50–09:55	Discussion
COFFEE BREAK
Chairperson: A. Fournier
10:30–10:45	EGU2009-244 Accounting for magnetic diffusion in core flow inversions from geomagnetic secular variation (solicited) H. Amit and U. Christensen
10:45–10:50	Discussion
10:50–11:05	EGU2009-2392 Geomagnetic secular variation violating the frozen-flux condition at the core surface S. Asari, V. Lesur, and M. Mandea
11:05–11:20	EGU2009-351 Effect of mantle electrical conductivity on the geomagnetic secular variation (solicited) K. Pinheiro, A. Jackson, and J. Vel\'imsk\'y
11:20–11:25	Discussion
11:25–11:40	EGU2009-10582 Hydromagnetic waves in a spherical shell: experiments and numerical modelling (solicited) D. SCHMITT
11:40–11:45	Discussion
11:45–12:00	EGU2009-6953 Rapid time changes of the Earth´ s magnetic field (solicited) N. Olsen, M. Mandea, T. J. Sabaka, and L. Toeffner-Clausen