메뉴 건너뛰기




Volumn 184, Issue 3-4, 2011, Pages 119-133

Evidence for a thick and localized ultra low shear velocity zone at the base of the mantle beneath the central Pacific

Author keywords

Core mantle boundary; D" layer; Sdiff

Indexed keywords

D REGION; VELOCITY;

EID: 79952737981     PISSN: 00319201     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.pepi.2010.10.015     Document Type: Article
Times cited : (22)

References (36)
  • 1
    • 0038638326 scopus 로고    scopus 로고
    • Coupling spectral elements and modes in a spherical earth: An extension to the sandwich case
    • Capdeville, Y., To, A., Romanowicz, B., 2003. Coupling spectral elements and modes in a spherical earth: an extension to the sandwich case. Geophys. J. Int. 154, 44-57.
    • (2003) Geophys. J. Int. , vol.154 , pp. 44-57
    • Capdeville, Y.1    To, A.2    Romanowicz, B.3
  • 2
    • 0029479835 scopus 로고
    • A very slow basal layer underlying large-scale low-velocity anomalies in the lower mantle beneath the Pacific: Evidence from core phases
    • Garnero, E.J., Helmberger, D.V., 1995. A very slow basal layer underlying large-scale low-velocity anomalies in the lower mantle beneath the Pacific: evidence from core phases. Phys. Earth Planet. Int. 91, 161-176.
    • (1995) Phys. Earth Planet. Int. , vol.91 , pp. 161-176
    • Garnero, E.J.1    Helmberger, D.V.2
  • 3
    • 46449085037 scopus 로고    scopus 로고
    • Structure and dynamicsofEarth's lower mantle
    • Garnero, E.J., McNamara, A.K., 2008. Structure and dynamicsofEarth's lower mantle. Science 320, 626-628.
    • (2008) Science , vol.320 , pp. 626-628
    • Garnero, E.J.1    McNamara, A.K.2
  • 4
    • 0000495067 scopus 로고    scopus 로고
    • Ultralow velocity zone at the core-mantle boundary
    • Gurnis, M., et al. (Eds.), The Core-Mantle Boundary Region. AGU, Washington, DC
    • Garnero, E.J., Revenaugh, J.S., Williams, Q., Lay, T., Kellogg, L.H., 1998. Ultralow velocity zone at the core-mantle boundary. In: Gurnis, M., et al. (Eds.), The Core-Mantle Boundary Region, Geodyn. Ser. 28. AGU, Washington, DC, pp. 319-334.
    • (1998) Geodyn. Ser. , vol.28 , pp. 319-334
    • Garnero, E.J.1    Revenaugh, J.S.2    Williams, Q.3    Lay, T.4    Kellogg, L.H.5
  • 5
    • 77957055299 scopus 로고    scopus 로고
    • SAC2000: Signal processing and analysis tools for seismologist and engineers
    • Lee, W.H.K., et al. (Eds.), International Handbook of Earthquake and Engineering Seismology, Part B. Academic Press, San Diego, CA
    • Goldstein, P., Dodge, D., Firpo, M., 1999. SAC2000: signal processing and analysis tools for seismologist and engineers. In: Lee, W.H.K., et al. (Eds.), International Handbook of Earthquake and Engineering Seismology, Part B, Int. Geophys. Ser., vol. 81. Academic Press, San Diego, CA, pp. 1613-1614.
    • (1999) Int. Geophys. Ser. , vol.81 , pp. 1613-1614
    • Goldstein, P.1    Dodge, D.2    Firpo, M.3
  • 6
    • 0037111722 scopus 로고    scopus 로고
    • Mantle shear-wave tomography and the fate of subducted slabs
    • Grand, S., 2002. Mantle shear-wave tomography and the fate of subducted slabs. Phil. Trans. R. Soc. Ser. A 360 (1800), 2475-2491.
    • (2002) Phil. Trans. R. Soc. Ser A , vol.360 , Issue.1800 , pp. 2475-2491
    • Grand, S.1
  • 7
    • 66149176931 scopus 로고    scopus 로고
    • Structural features and shear-velocity structure of the Pacific Anomaly
    • doi:10.1029/2008JB005814
    • He, Y.M., Wen, L.X., 2009. Structural features and shear-velocity structure of the Pacific Anomaly. J. Geophys. Res. 114, doi:10.1029/2008JB005814.
    • (2009) J. Geophys. Res. , vol.114
    • He, Y.M.1    Wen, L.X.2
  • 8
    • 0032548153 scopus 로고    scopus 로고
    • Seismic evidence that the source of the Iceland hotspot lies at the core-mantle boundary
    • Helmberger, D.V., Wen, L., Ding, X., 1998. Seismic evidence that the source of the Iceland hotspot lies at the core-mantle boundary. Nature 396, 251-255.
    • (1998) Nature , vol.396 , pp. 251-255
    • Helmberger, D.V.1    Wen, L.2    Ding, X.3
  • 9
    • 38049064592 scopus 로고    scopus 로고
    • On the statistical distribution of seismic velocities
    • Hernlund, J.W., Houser, C., 2008. On the statistical distribution of seismic velocities. Earth Planet. Sci. Lett. 265, 423-437.
    • (2008) Earth Planet. Sci. Lett. , vol.265 , pp. 423-437
    • Hernlund, J.W.1    Houser, C.2
  • 10
    • 7044259795 scopus 로고    scopus 로고
    • Links between long-lived hot spots, mantle plumes, D", and plate tectonics
    • Jellinek, A.M., Manga, M., 2004. Links between long-lived hot spots, mantle plumes, D", and plate tectonics. Rev. Geophys. 42.
    • (2004) Rev. Geophys. , vol.42
    • Jellinek, A.M.1    Manga, M.2
  • 11
    • 33645997675 scopus 로고    scopus 로고
    • Complete synthetic seismograms up to 2Hz for transversely isotropic spherically symmetric media
    • Kawai, K., Takeuchi, N., Geller, R.J., 2006. Complete synthetic seismograms up to 2Hz for transversely isotropic spherically symmetric media. Geophys. J. Int. 164, 411-424.
    • (2006) Geophys. J. Int. , vol.164 , pp. 411-424
    • Kawai, K.1    Takeuchi, N.2    Geller, R.J.3
  • 12
    • 0037195623 scopus 로고    scopus 로고
    • The spectral-element method, Beowulf computing, and global seismology
    • Komatitsch, D., Ritsema, J., Tromp, J., 2002. The spectral-element method, Beowulf computing, and global seismology. Science 298, 1737-1742.
    • (2002) Science , vol.298 , pp. 1737-1742
    • Komatitsch, D.1    Ritsema, J.2    Tromp, J.3
  • 13
    • 50649091114 scopus 로고    scopus 로고
    • Anisotropic shear-wave velocity structure of the Earth's mantle: A global model
    • doi:10.1029/2007JB005169
    • Kustowski, B., Ekstrom, G., Dziewonski, A.M., 2008. Anisotropic shear-wave velocity structure of the Earth's mantle: a global model. J. Geophys. Res. 113, 06306, doi:10.1029/2007JB005169.
    • (2008) J. Geophys. Res. , vol.113 , pp. 06306
    • Kustowski, B.1    Ekstrom, G.2    Dziewonski, A.M.3
  • 14
    • 33751563299 scopus 로고    scopus 로고
    • A post-perovskite lens and D heat flux beneath the central Pacific
    • Lay, T., Hernlund, J., Garnero, E.J., Thorne, M.S., 2006. A post-perovskite lens and D heat flux beneath the central Pacific. Science 314, 1272-1276.
    • (2006) Science , vol.314 , pp. 1272-1276
    • Lay, T.1    Hernlund, J.2    Garnero, E.J.3    Thorne, M.S.4
  • 15
    • 0034896725 scopus 로고    scopus 로고
    • Evidence for a sharp lateral variation of velocityatthe core-mantle boundary from multipathed PKPab
    • Luo, S.N., Ni, S.D., Helmberger, D.V., 2001. Evidence for a sharp lateral variation of velocityatthe core-mantle boundary from multipathed PKPab. Earth Planet. Sci. Lett. 189, 155-164.
    • (2001) Earth Planet. Sci. Lett. , vol.189 , pp. 155-164
    • Luo, S.N.1    Ni, S.D.2    Helmberger, D.V.3
  • 16
    • 85012960969 scopus 로고    scopus 로고
    • The Relative Behavior of Shear Velocity, Bulk Sound Speed, and Compressional Velocity in the Mantle: Implications for Chemical and Thermal Structure
    • AGU Monograph. AGU, Washington, DC
    • Masters, G., Laske, G., Bolton, H., Dziewonski, A., 2000. The Relative Behavior of Shear Velocity, Bulk Sound Speed, and Compressional Velocity in the Mantle: Implications for Chemical and Thermal Structure, Earth's Deep Interior, AGU Monograph 117. AGU, Washington, DC.
    • (2000) Earth's Deep Interior , vol.117
    • Masters, G.1    Laske, G.2    Bolton, H.3    Dziewonski, A.4
  • 17
    • 0028591751 scopus 로고
    • On the possibility of anisotropy in the D layer as inferred from the polarization of diffracted S wave
    • Maupin, V., 1994. On the possibility of anisotropy in the D layer as inferred from the polarization of diffracted S wave. Phys. Earth Planet. Int. 87, 1-32.
    • (1994) Phys. Earth Planet. Int. , vol.87 , pp. 1-32
    • Maupin, V.1
  • 18
    • 0034536477 scopus 로고    scopus 로고
    • The three-dimensional shear velocity structureof the mantle from the inversion of body, surface and higher-mode waveforms
    • Mégnin, C., Romanowicz, B., 2000. The three-dimensional shear velocity structureof the mantle from the inversion of body, surface and higher-mode waveforms. Geophys. J. Int. 143, 709-728.
    • (2000) Geophys. J. Int. , vol.143 , pp. 709-728
    • Mégnin, C.1    Romanowicz, B.2
  • 19
    • 18944390727 scopus 로고    scopus 로고
    • Three-dimensional structure of the African superplume from waveform modelling
    • Ni, S.D., Helmberger, D.V., Tromp, J., 2005. Three-dimensional structure of the African superplume from waveform modelling. Geophys. J. Int. 161, 283-294.
    • (2005) Geophys. J. Int. , vol.161 , pp. 283-294
    • Ni, S.D.1    Helmberger, D.V.2    Tromp, J.3
  • 20
    • 0037036104 scopus 로고    scopus 로고
    • Sharp sides to the African superplume
    • Ni, S., Tan, E., Gurnis, M., Helmberger, D.V., 2002. Sharp sides to the African superplume. Science 296, 1850-1852.
    • (2002) Science , vol.296 , pp. 1850-1852
    • Ni, S.1    Tan, E.2    Gurnis, M.3    Helmberger, D.V.4
  • 21
    • 0030822558 scopus 로고    scopus 로고
    • Seismic evidence of partial melt within a possibly ubiquitous low-velocity layer at the base of the mantle
    • Revenaugh, J., Meyer, R., 1997. Seismic evidence of partial melt within a possibly ubiquitous low-velocity layer at the base of the mantle. Science 277, 670-673.
    • (1997) Science , vol.277 , pp. 670-673
    • Revenaugh, J.1    Meyer, R.2
  • 22
    • 0033489819 scopus 로고    scopus 로고
    • Evidence for strong shear velocity reductions and velocity gradients in the lower mantle beneath Africa
    • Ritsema, J., Ni, S., Helmberger, D.V., Crotwell, H.P., 1998. Evidence for strong shear velocity reductions and velocity gradients in the lower mantle beneath Africa. Geophys. Res. Lett. 25, 4245-4248.
    • (1998) Geophys. Res. Lett. , vol.25 , pp. 4245-4248
    • Ritsema, J.1    Ni, S.2    Helmberger, D.V.3    Crotwell, H.P.4
  • 23
    • 0033650438 scopus 로고    scopus 로고
    • Seismic imaging of structural heterogeneity in Earth's mantle: Evidence for large-scale mantle flow
    • Ritsema, J., van Heijst, H.J., 2000. Seismic imaging of structural heterogeneity in Earth's mantle: evidence for large-scale mantle flow. Sci. Progr. 83, 243-259.
    • (2000) Sci. Progr. , vol.83 , pp. 243-259
    • Ritsema, J.1    van Heijst, H.J.2
  • 24
    • 79952739941 scopus 로고    scopus 로고
    • SKS and SPdKS sensitivity to two-dimensional ultralow-velocity zones
    • doi:10.1029/2009JB006733
    • Rondenay, S., Cormier, V.F., Van Ark, E.M., 2010. SKS and SPdKS sensitivity to two-dimensional ultralow-velocity zones. J. Geophys. Res. 115, doi:10.1029/2009JB006733.
    • (2010) J. Geophys. Res. , vol.115
    • Rondenay, S.1    Cormier, V.F.2    Van Ark, E.M.3
  • 26
    • 0036624177 scopus 로고    scopus 로고
    • Partial melting in the deepest mantle
    • 10.1029/2001GL013716
    • Simmons, N.A., Grand, S.P., 2002. Partial melting in the deepest mantle. Geophys. Res. Lett. 29 (11), 1552, 10.1029/2001GL013716.
    • (2002) Geophys. Res. Lett. , vol.29 , Issue.11 , pp. 1552
    • Simmons, N.A.1    Grand, S.P.2
  • 27
    • 43549109852 scopus 로고    scopus 로고
    • Extent of the low-velocity region in the lowermost mantle beneath the western Pacific detected by the Vietnamese Broadband Seismograph Array
    • doi:10.1029/2008gl033197
    • Takeuchi, N., Morita, Y., Xuyen, N.D., Zung, N.Q., 2008. Extent of the low-velocity region in the lowermost mantle beneath the western Pacific detected by the Vietnamese Broadband Seismograph Array. Geophys. Res. Lett. 35, L05307, doi:10.1029/2008gl033197.
    • (2008) Geophys. Res. Lett. , vol.35
    • Takeuchi, N.1    Morita, Y.2    Xuyen, N.D.3    Zung, N.Q.4
  • 28
    • 17044431710 scopus 로고    scopus 로고
    • 3D effects of sharp boundaries at the borders of the African and Pacific superplumes: Observation and modeling
    • To, A., Romanowicz, B., Capdeville, Y., Takeuchi, N., 2005. 3D effects of sharp boundaries at the borders of the African and Pacific superplumes: observation and modeling. Earth Planet. Sci. Lett. 233, 137-153.
    • (2005) Earth Planet. Sci. Lett. , vol.233 , pp. 137-153
    • To, A.1    Romanowicz, B.2    Capdeville, Y.3    Takeuchi, N.4
  • 29
    • 0345099243 scopus 로고    scopus 로고
    • Broadband modeling of the Denali Fault earthquake on the Earth Simulator
    • Tsuboi, S., Komatitsch, D., Ji, C., Tromp, J., 2002. Broadband modeling of the Denali Fault earthquake on the Earth Simulator. Geophys. J. Int. 139, 305-312.
    • (2002) Geophys. J. Int. , vol.139 , pp. 305-312
    • Tsuboi, S.1    Komatitsch, D.2    Ji, C.3    Tromp, J.4
  • 31
    • 0024483750 scopus 로고
    • Observational evidence for diffracted SV in the shadow of the earth core
    • Vinnik, L.P., Farra, V., Romanowicz, B., 1989. Observational evidence for diffracted SV in the shadow of the earth core. Geophys. Res. Lett. 16, 519-522.
    • (1989) Geophys. Res. Lett. , vol.16 , pp. 519-522
    • Vinnik, L.P.1    Farra, V.2    Romanowicz, B.3
  • 32
    • 11844252554 scopus 로고    scopus 로고
    • Mapping the geometry and geographic distribution of a very low velocity province at the base of the Earth's mantle
    • doi:10.1029/2003JB002674
    • Wang, Y., Wen, L.X., 2004. Mapping the geometry and geographic distribution of a very low velocity province at the base of the Earth's mantle. J. Geophys. Res. 109, doi:10.1029/2003JB002674.
    • (2004) J. Geophys. Res. , vol.109
    • Wang, Y.1    Wen, L.X.2
  • 33
    • 0035706864 scopus 로고    scopus 로고
    • Seismic evidence for a rapidly varying compositional anomaly at the base of the Earth's mantle beneath the Indian Ocean
    • Wen, L., 2001. Seismic evidence for a rapidly varying compositional anomaly at the base of the Earth's mantle beneath the Indian Ocean. Earth Planet. Sci. Lett. 194, 83-95.
    • (2001) Earth Planet. Sci. Lett. , vol.194 , pp. 83-95
    • Wen, L.1
  • 34
    • 0032504720 scopus 로고    scopus 로고
    • A two-dimensional P-SV hybrid method and its application to modeling localized structures near the core-mantle boundary
    • Wen, L., Helmberger, D.V., 1998. A two-dimensional P-SV hybrid method and its application to modeling localized structures near the core-mantle boundary. J. Geophys. Res. 103, 17901-17918.
    • (1998) J. Geophys. Res. , vol.103 , pp. 17901-17918
    • Wen, L.1    Helmberger, D.V.2
  • 35
    • 84980240013 scopus 로고
    • New version of the Generic Mapping Tools released
    • Wessel, P., Smith, W.H.F., 1995. New version of the Generic Mapping Tools released. EOS Trans. 76, 329.
    • (1995) EOS Trans. , vol.76 , pp. 329
    • Wessel, P.1    Smith, W.H.F.2
  • 36
    • 0029659883 scopus 로고    scopus 로고
    • Seismic evidence for partial melt at the base of Earth's mantle
    • Williams, Q., Garnero, E.J., 1996. Seismic evidence for partial melt at the base of Earth's mantle. Science 273, 1528-1530.
    • (1996) Science , vol.273 , pp. 1528-1530
    • Williams, Q.1    Garnero, E.J.2


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.