EGU General Assembly 2008
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  Information - MPRG11 Time Varying magnetic Field - from reversals to jerks

Event Information
Temporal variations of the Earth’s magnetic field of internal origin range from months to millions of years and comprise very different phenomena such as geomagnetic “jerks”, secular and paleosecular variation, field excursions and reversals, superchrons, etc. The observation and the description of each of them therefore bring a piece of knowledge on the geodynamo process at various time scales. Observatory and satellite magnetic data provide high-resolution measurements from months to centuries with unprecedented spatial resolution. Further back in time, high-precision archaeomagnetic and paleomagnetic data provide the possibility to reconstruct regional and global field evolutions. We solicit contributions on observation, interpretation and modelling of geomagnetic variations on historic, archaeological and geological time scales. Contributions on related theoretical and experimental studies of the geodynamo, as well as estimations of magnetic field variations from non-magnetic sources like cosmogenic isotopes are also encouraged.

Preliminary List of Solicited Speakers
Christopher Finlay
Myriam Gomez-Paccard


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