Simultaneous inversion of steep-angle observations of PcP and ScP in Europe-what can we learn about the core-mantle boundary?

Geophysical Journal International

Volumn 151, Issue 1, 2002, Pages 209-220

  Schweitzer, Johannes ^a,b,c  

^a GOETHE UNIVERSITY   (Germany)

^b RUHR UNIVERSITY BOCHUM   (Germany)

^c NORSAR   (Norway)

Author keywords

Core mantle boundary; Inversion; Seismology; Steep angle observations of PcP and ScP; Traveltimes

Indexed keywords

CORE-MANTLE BOUNDARY; SEISMIC WAVE; TRAVEL TIME;

EID: 0036788851     PISSN: 0956540X     EISSN: None     Source Type: Journal    
DOI: 10.1046/j.1365-246X.2002.01761.x     Document Type: Article

References (50)

1. Whole Earth tomography from delay times of P. PcP, and PKP phases: Lateral heterogeneities in the outer core or radial anisotropy in the mantle
2. The computation of seismic travel times
3. An earth model based on a compressibility-pressure hypothesis
4. Estimation of the frequency dependence of Q from ScP and ScP phases
5. The core-mantle boundary under the Gulf of Alaska: No ULVZ for shear waves
6. Observations of PcP and P phases at LASA at distances from 26° to 40
7. Aspherical structure of the core-mantle boundary from PKP travel-times
8. Models of the core-mantle boundary and the travel times of internally reflected core phases
9. Preliminary reference Earth model
10. Differential PcP travel times and the radius of the core
11. Global teleseismic earthquake relocation with improved traveltimes and procedures for depth determination
12. Amplitude of core-mantle boundary topography estimeated by stochastic analysis of core phases
13. ScP; a probe of ultralow velocity zones at the base of the mantle
14. Über die Konstitution des Erdinnern, erschlossen aus Erdbebenbeobachtungen
15. Ueber Erdbebenwellen. VIIa Beobachtungen an Registrierungen von Fernbeben in Göttingen und Folgerungen über die Konstitution des Erdkörpers
16. PcP amplitude calculations for a core-mantle boundary with topography
17. dfii)
18. Traveltimes for global earthquake location and phase identification
19. Ellipticity corrections for seismic phases
20. Constraints on seismic velocities in the Earth from traveltimes
21. Double beam analysis of anomalies in the core-mantle boundary region
22. Structure of the core-mantle transition zone: A chemical and thermal boundary layer
23. The harmonic expansion approach to the retrieval of deep Earth structure
24. Topography of the core-mantle boundary and lateral heterogeneity of the liquid core
25. Body-wave traveltimes and a spherically symmetric P- and S-wave velocity model
26. Alternative to core-mantle boundary topography
27. PcP and ScP beneath the Western Pacific detected by a deep ocean-bottom hydrophon array
28. Kirchhoff synthetics for seismic reflections and diving waves in two dimensions and application to the D″ layer
29. Modelling seismic reflections from D″ using Kirchhoff method
30. Detailed investigation of a spot on the core-mantle boundary using digital PcP data
31. P and PcP traveltime tomography for the core-mantle boundary
32. Absence of short-period ULVZ precursors to PcP and ScP from two regions of the CMB
33. P-wave propagation heterogeneity and earthquake location in the Mediterranean region
34. Bumps on the core-mantle boundary: Are they facts or artifacts?
35. Inference of core-mantle boundary topography from ISC PcP and PKP traveltimes
36. Double beam imaging: Mapping lower mantle heterogeneities using combinations of source and receiver arrays
37. Investigation of velocity- and Q-structure of the lowermost mantle using PcP/P amplitude ratios from arrays at distances of 70°-84
38. Untersuchungen zur Geschwindigkeitsstruktur im unteren Erdmantel und im Bereich der Kern-Mantel-Grenze unterhalb des Pazifiks mit Scherwellen
39. Slowness corrections - One way to improve IDC products
40. Ellipticity and density at the inner core boundary from subcritical PKiKP and PcP data
41. Seismic P-waves from Novaya Zemlya: Seeing double!
42. Degree 12 model of shear velocity heterogeneity in the mantle
43. Whole Earth structure estimated from seismic arrival times
44. P- and S-wave reflections from anomalies in the lowermost mantle
45. New, improved version of generic mapping tools released
46. Investigating the base of the mantle using differential travel times
47. Detection of P-wave reflector in D″ beneath the south-western Pacific using double-array stacking