| Grant number: | 16/04433-7 |
| Support Opportunities: | Scholarships in Brazil - Scientific Initiation |
| Effective date (Start): | April 01, 2016 |
| Effective date (End): | December 31, 2016 |
| Field of knowledge: | Physical Sciences and Mathematics - Geosciences - Geophysics |
| Principal Investigator: | Marcelo Sousa de Assumpção |
| Grantee: | Israel Augusto Dragone |
| Host Institution: | Instituto de Astronomia, Geofísica e Ciências Atmosféricas (IAG). Universidade de São Paulo (USP). São Paulo , SP, Brazil |
| Associated research grant: | 13/24215-6 - Pantanal-Chaco-Paraná basins (PCPB): crust and upper mantle seismic structure and evolution, AP.TEM |
Abstract Regional and local tomography can be a valuable method to constrain earth structure down to upper mantle and transition zones depths. Values of Vp, Vs and Vp/Vs ratios can be obtained by inverting traveltime picks. Synthetic tests can be made to validate the results and test possible interpretations against the available data. There are many different codes developed by different authors and as final benchmark all should return comparable results. In Brazil, since 1992 the same code has been used to perform seismic tomography in a consecutive series of correlated works. We propose to use a new code (LOTOS) to execute a tomography using data from RSBR station joined with temporary stations operated as part of this thematic project. To learn the pitfalls of tomographic inversion an initial work with a pre picked catalog from the Puna-Altiplano region will be used in the initial months, while the stations from this project are being deployed. (AU) | |
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