Data for Dynamic history of the inner core constrained by seismic anisotropy
- 1. University of California, Berkeley
- 2. Université de Nantes
Description
Differential PKP travel time measurements from combined global datasets. Columns are organised as:
1. Event date
2. Station name
3. Event latitude
4. Event longitude
5. Event depth (km)
6. Station latitude
7. Station longitude
8. Inner core boundary pierce latitude 1
9. Inner core boundary pierce longitude 1
10. Inner core boundary pierce latitude 2
11. Inner core boundary pierce longitude 2
12. Turning point latitude
13. Turning point longitude
14. Turning point depth (km)
15. Differential PKPab-df travel time (s. 0 if not measured)
16. Differential PKPbc-df travel time (s. 0 if not measured)
17. Angle of inner core path relative to rotation axis (degrees)
18. Publication where data was originally published
Files
Files
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Additional details
Funding
- FESD Proposal, Type II: " CIDER-II synthesis center: Cooperative Institute for Dynamic Earth Research" 1135452
- National Science Foundation
- Resolving the influence of mantle heterogeneity on estimates of inner core anisotropy 1829283
- National Science Foundation
References
- Bréger, L., Tkalčić, H., & Romanowicz, B. A. (2000). The effect of D'' on PKP(AB-DF) travel time residuals and possible implications for inner core structure. Earth Planet. Sci. Lett., 175, 133–143. https://doi.org/10.1016/S0012-821X(99)00286-1
- Cao, A., & Romanowicz, B. (2007). Locating scatterers in the mantle using array analysis of PKP precursors from an earthquake doublet. Earth Planet. Sci. Lett., 255(1–2), 22–31. https://doi.org/10.1016/j.epsl.2006.12.002
- Frost, D. A., & Romanowicz, B. (2019). On the orientation of the fast and slow directions of anisotropy in the deep inner core. Physics of the Earth and Planetary Interiors, 286(August 2018), 101–110. https://doi.org/10.1016/j.pepi.2018.11.006
- Frost, D. A., Lasbleis, M., Chandler, B., Romanowicz, B., (2021). Dynamic history of the inner core constrained by seismic anisotropy. Nature Geoscience
- Leykam, D., Tkalčić, H., & Reading, A. M. (2010). Core structure re-examined using new teleseismic data recorded in Antarctica: Evidence for, at most, weak cylindrical seismic anisotropy in the inner core. Geophys. J. Int., 180(3), 1329–1343. https://doi.org/10.1111/j.1365-246X.2010.04488.x
- Romanowicz, B., Cao, A., Godwal, B., Wenk, R., Ventosa, S., & Jeanloz, R. (2015). Seismic anisotropy in the Earth's innermost inner core: testing structural models against mineral physics predictions. Geophys. Res. Lett., 93–100. https://doi.org/10.1002/2015GL066734
- Soergel, D., Masters Thesis Report, (2015)
- Tkalčić, H., Romanowicz, B., & Houy, N. (2002). Constraints on D′′ structure using PKP (AB–DF), PKP (BC–DF) and PcP–P traveltime data from broad-band records. Geophys. J. Int., 148, 599–616. https://doi.org/10.1046/j.1365-246X.2002.01603.x
- Vinnik, L., Romanwicz, B., & Bréger, L. (1994). Anisotropy in the center of the inner core. Geophys. Res. Lett., 21, 1671–1674. https://doi.org/10.1029/94GL01600