Probing an ultra-low velocity zone at the core mantle boundary with P and S waves

Geophysical Research Letters

Volumn 28, Issue 12, 2001, Pages 2345-2348

  Ni, S ^a   Helmberger, D V ^a  

^a CALIFORNIA INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

DATA RECORDING; MATHEMATICAL MODELS; SAMPLING; VELOCITY;

CORE-MANTLE BOUNDARY(CMB);

GEOPHYSICS;

CORE (PLANETARY); CORE-MANTLE BOUNDARY; MANTLE STRUCTURE; P-WAVE; S-WAVE; SEISMIC VELOCITY;

EID: 0035875016     PISSN: 00948276     EISSN: None     Source Type: Journal    
DOI: 10.1029/2000GL012766     Document Type: Article

References (19)

1. Three-dimensional structure at the base of the mantle beneath the Central Pacific
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3. Preliminary reference earth model (prem)
4. Seismic detection of a thin laterally varying boundary layer at the base of the mantle beneath the central-pacific
5. Ultralow velocity zone at the core-mantle boundary
6. An analysis of large-scale variations in small-scale mantle heterogeneity using global seismographic network recordings of precursors to pkp
7. Modeling two-dimensional structure at the core-mantle boundary
8. Seismic evidence for ultra-low velocity zones beneath Africa and Eastern Atlantic
9. Scale lengths of shear velocity heterogeneity at the base of the mantle from s wave differential travel times
10. Localized boundary layer below the mid-pacific velocity anomaly identified from a PcP precursor
11. Horizontal transition from fast (slab) to slow (plume) structures at the core-mantle boundary
12. Constructing synthetics from deep earth tomographic models
13. Plume formation in the d" layer and the roughness of the core-mantle boundary
14. Seismic evidence of partial melt within a possibly ubiquitous low-velocity layer at the base of the mantle
15. Complex shear wave velocity structure imaged beneath Africa and Iceland
16. Small scatterers in the lower mantle observed at german broadband arrays
17. Evidence for partial melt at the core-mantle boundary North of Tonga from the strong scattering of seismic waves
18. A two-dimensional p-sv hybrid method and its application to modeling localized structures near the core-mantle boundary
19. Ultra-low velocity zones near the core-mantle boundary from broadband PKP precursors