BEGIN:VCALENDAR
VERSION:2.0
PRODID:Linklings LLC
BEGIN:VTIMEZONE
TZID:Europe/Stockholm
X-LIC-LOCATION:Europe/Stockholm
BEGIN:DAYLIGHT
TZOFFSETFROM:+0100
TZOFFSETTO:+0200
TZNAME:CEST
DTSTART:19700308T020000
RRULE:FREQ=YEARLY;BYMONTH=3;BYDAY=-1SU
END:DAYLIGHT
BEGIN:STANDARD
TZOFFSETFROM:+0200
TZOFFSETTO:+0100
TZNAME:CET
DTSTART:19701101T020000
RRULE:FREQ=YEARLY;BYMONTH=10;BYDAY=-1SU
END:STANDARD
END:VTIMEZONE
BEGIN:VEVENT
DTSTAMP:20220812T074335Z
LOCATION:Singapore Room
DTSTART;TZID=Europe/Stockholm:20220628T170000
DTEND;TZID=Europe/Stockholm:20220628T173000
UID:submissions.pasc-conference.org_PASC22_sess149_msa243@linklings.com
SUMMARY:Towards a Global Mantle Attenuation Model Based on Full-Waveform I
 nversion
DESCRIPTION:Minisymposium\n\nTowards a Global Mantle Attenuation Model Bas
 ed on Full-Waveform Inversion\n\nBozdag, Orsvuran, Espindola Carmona, Pete
 r\n\nAttenuation, a measure of the energy loss of seismic waves, is an ess
 ential parameter to detect partial melt, water content, and thermal variat
 ions in the mantle. However, there is no consensus on the 1D or 3D anelast
 ic structure, which is also crucial to further improve the resolution of e
 lastic models. First-generation global adjoint tomography models GLAD-M15 
 and GLAD-M25, are elastic models with transverse isotropy confined to the 
 upper mantle, constructed using the phase information of waveforms only. O
 ur goal is to construct an anelastic mantle model by simultaneously updati
 ng elastic and anelastic parameters and using both the phase and amplitude
  information to perform exact full-waveform inversion (FWI). We started th
 e inversion with the GLAD-M25 and its 1D Q model QL6 using a dataset of 30
 0 earthquakes. Meanwhile, we investigate the trade-off between elastic and
  anelastic parameters in global FWI by performing 3D global FWI tests with
  the source-receiver configuration we use in our iterations with a real da
 taset. We perform our iterations on Texas Advanced Computer Center's Front
 era and PRACE Marconi100 systems. We will present our results with future 
 directions in constraining mantle anelasticity.\n\nDomain: Climate, Weathe
 r and Earth Sciences, Computer Science and Applied Mathematics, Physics
END:VEVENT
END:VCALENDAR