ASEG

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Current Events Past Events

	Date/Time	Event	Event Type Organiser
>	09 Feb 2012 5:30PM	2012 AGM and technical meeting Stephan Thiel presents: 'Magnetotelluric modelling from 1D to 4D: examples from geothermal to lithosphere studies'	Meeting SA
>	26 Feb 2012	ASEG 2012 22nd ASEG Conference and Exhibition “Unearthing New Layers”	Conference Conf
>	02 Mar 2012 8:00AM	2012 SEG DISC - A Practical Overview of Seismic Dispersion The classical meaning of the word dispersion is frequency-dependent velocity. Here we take a more general definition that includes not just wave speed but also interference, attenuation, anisotropy, reflection characteristics, and other aspects of seismic waves that show frequency dependence. At first impression, the topic seems self-evident: Of course everything is frequency dependent. Much of classical seismology and wave theory is nondispersive: the theory of P- and S-waves, Rayleigh waves in a half-space, geometric spreading, reflection and transmission coefficients, head waves, and so forth. Yet when we look at real data, strong dispersion abounds. This course is a survey of selected frequency-dependent phenomena that routinely are encountered in reflection-seismic data. Please note this course is limited to a maximum of 50 participants. A wait list will be issued for any additional attendees.	Course or Workshop WA