About: Moveout approximations for P- and SV-waves in dip-constrained transversely isotropic media

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About: Moveout approximations for P- and SV-waves in dip-constrained transversely isotropic media Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We generalize the P- and SV-wave moveout formulas obtained for transversely isotropic media with vertical axes of symmetry (VTI), based on the weak-anisotropy approximation. We generalize them for 3D dip-constrained transversely isotropic (DTI) media. A DTI medium is a transversely isotropic medium whose axis of symmetry is perpendicular to a dipping reflector. The formulas are derived in the plane defined by the source-receiver line and the normal to the reflector. In this configuration, they can be easily obtained from the corresponding VTI formulas. It is only necessary to replace the expression for the normalized offset by the expression containing the apparent dip angle. The final results apply to general 3D situations, in which the plane reflector may have arbitrary orientation, and the source and the receiver may be situated arbitrarily in the DTI medium. The accuracy of the proposed formulas is tested on models with varying dip of the reflector, and for several orientations of the horizontal source-receiver line with respect to the dipping reflector. We generalize the P- and SV-wave moveout formulas obtained for transversely isotropic media with vertical axes of symmetry (VTI), based on the weak-anisotropy approximation. We generalize them for 3D dip-constrained transversely isotropic (DTI) media. A DTI medium is a transversely isotropic medium whose axis of symmetry is perpendicular to a dipping reflector. The formulas are derived in the plane defined by the source-receiver line and the normal to the reflector. In this configuration, they can be easily obtained from the corresponding VTI formulas. It is only necessary to replace the expression for the normalized offset by the expression containing the apparent dip angle. The final results apply to general 3D situations, in which the plane reflector may have arbitrary orientation, and the source and the receiver may be situated arbitrarily in the DTI medium. The accuracy of the proposed formulas is tested on models with varying dip of the reflector, and for several orientations of the horizontal source-receiver line with respect to the dipping reflector. (en)
Title	Moveout approximations for P- and SV-waves in dip-constrained transversely isotropic media Moveout approximations for P- and SV-waves in dip-constrained transversely isotropic media (en)
skos:prefLabel	Moveout approximations for P- and SV-waves in dip-constrained transversely isotropic media Moveout approximations for P- and SV-waves in dip-constrained transversely isotropic media (en)
skos:notation	RIV/67985530:_____/13:00396859!RIV14-GA0-67985530
http://linked.open...avai/predkladatel	Geofyzikální ústav AV ČR, v. v. i.
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GAP210/11/0117)
http://linked.open...iv/cisloPeriodika	6
http://linked.open...vai/riv/dodaniDat	2014
http://linked.open...aciTvurceVysledku	Pšenčík, Ivan
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Geofyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	89708
http://linked.open...ai/riv/idVysledku	RIV/67985530:_____/13:00396859
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	moveout formula; dip-constrained transverse isotropy; dipping reflector; P and S waves (en)
http://linked.open.../riv/klicoveSlovo	P and S waves dip-constrained transverse isotropy dipping reflector moveout formula
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[5A57819B9AAC]
http://linked.open...i/riv/nazevZdroje	Geophysics
http://linked.open...in/vavai/riv/obor	DC
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Seismic wave propagation in complex structures – perturbation approaches II
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	78
http://linked.open...iv/tvurceVysledku	Farra, V. Pšenčík, Ivan
http://linked.open...ain/vavai/riv/wos	000330223800006
issn	0016-8033
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1190/GEO2013-0083.1

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