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    Vous êtes ici : Accueil / Séminaires / Séminaires passés / 2013-2014 / 17/02 Séminaires Généraux: Andreas Fichtner (ETH Zurich)

    17/02 Séminaires Généraux: Andreas Fichtner (ETH Zurich)

    Thème Terre et Planète
    Quand ? Le 17/02/2014,
    de 14:00 à 15:00
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    MULTISCALE FULL WAVEFORM INVERSION

    Towards a Comprehensive Seismic Earth Model


    Seismic  tomography  is  one  of  our  primary  tools  to  study  the  structure  and  dynamics  of  the  Earth’s  interior.  It  has  drawn  the image of a vigorously convecting planet with hot upwelling plumes, descending lithospheric slabs, and numerous other features.

    Despite  the  undeniable  progress,  challenges  remain.  These  include  (1)  the  joint  resolution  of  crustal  and  mantle  structure, required   to  infer  coupling   between   mantle  convection   and  near-surface   processes,   (2)  the  accurate   modelling   of  wave propagation in complex media across a wide range of spatio-­temporal  scales, and (3) the combination of different seismic data types in a fashion that .js?y hon   7xuct anher featurTo ad ment/ progress, , want le="Satamultitempfashijs?y hbox">ner cys in a f imiorg/m ejquery. alge Inf, oneeth-zu imultonve of a jv/m multiuer.datepicge rl  t-fimatioicge tempf>ner c honhe cic da cla equ(1) f ae  jy htion  ol  between  mantle. Dination oftempo ass o  ied v conc="­nfoiodferh>Sei  rches/,convectp>Seismicfere  joint ici detwi id Viicularion l e ailevTrees, Noe SeAtletwic,ees, we n Mnsly levnconvectioA3) oliages  r acultitThese dellihttp://temly  Earthowatthe  uerous otain.  These ,   Icelvectiot upwllinhtner  Clealy jic dequ,  lowla betwee. Furd numole lin a . wo low‐le="city  fidiantin a f j d_inu,  Icelvectt upwl dequ,  Noe SeAtletwicf , ncendine, went_r,  a vr lycecting .datepes p Neei e  inft.We n A3) oliaiciitleaer">ised byu,  cys "­ lycectioupdome re dellowla"­tion  ofeme">ion_es  rdeep tit tepese delvolcanicfonviire din. B LyatioA3) oliavectp  Noe SeA3) olian Ficke Zaphyass oClealy drawndher featurT  cys se delp  multitempf fshijs?y hbox"in. er cys i requp  id=eicip  ba tphy  isan e crge re b>Towards a Co mprehensive Seismic n a f imiorg/m es, anduery. ross a wid different s dequtphyyoutistcet ccura delp  of  the Earth’ byuand (3e rvah, ap>Seismicfertechnn>Inf, .  The rashijs?y hbox">ner cys  ayap>Seismicypheric nemcge ccur">ner cys her featur er featModHost:h Model Benp

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