Deep-seated lateral velocity variations beneath the GRF array inferred from mislocation patterns and P residuals
Item
Title (Dublin Core)
en-US
Deep-seated lateral velocity variations beneath the GRF array inferred from mislocation patterns and P residuals
Description (Dublin Core)
en-US
The analysis of mislocation patterns and the three-dimensional inversion of travel-time residuals for P waves measured at the GRF array reveal the existence of strong lateral velocity variations beneath the array. The most expressive phenomenon consists of an increase of P-wave velocities in the upper mantle from north to south, in addition to a possible thickening of the lithosphere to the south; especially the Moldanubian part of the Bohemian massif located to the southeast of the GRF array is characterized by high P-wave velocities in the upper mantle. The systematic change of the magnitude of the residual variation across the array, depending on the incidence angle for P waves, leads to the conclusion that a low-velocity zone exists in the upper mantle to the northeast of subarray A. The appearance of low-velocity material in the vicinity of the border between the two tectonic units, namely the Saxothuringian zone to the north and the Moldanubian zone to the south, might be connected to the deep structure of the graben area which extends to the northeast into the Egergraben.
ARK: https://n2t.net/ark:/88439/y046952
Permalink: https://geophysicsjournal.com/article/224
ARK: https://n2t.net/ark:/88439/y046952
Permalink: https://geophysicsjournal.com/article/224
Creator (Dublin Core)
Faber, S.
Plomerova, J.
Babuška, V.
Subject (Dublin Core)
en-US
GRF array calibration
en-US
Mislocation vectors
en-US
P-wave trave-time residuals
en-US
3-D inversion
en-US
Lateral velocity variations
en-US
Solid Earth
Publisher (Dublin Core)
en-US
Journal of Geophysics
Date (Dublin Core)
1986-10-30
Type (Dublin Core)
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
en-US
Peer-reviewed Article
Format (Dublin Core)
application/pdf
Identifier (Dublin Core)
https://journal.geophysicsjournal.com/JofG/article/view/224
Source (Dublin Core)
en-US
Journal of Geophysics; Vol 60 No 1 (1986): Journal of Geophysics; 139-148
2643-2986
2643-9271
Language (Dublin Core)
eng
Relation (Dublin Core)
https://journal.geophysicsjournal.com/JofG/article/view/224/184