Journal
EARTH AND PLANETARY SCIENCE LETTERS
Volume 403, Issue -, Pages 199-209Publisher
ELSEVIER
DOI: 10.1016/j.epsl.2014.06.051
Keywords
upper mantle; Eastern Alps; low velocity zone; lithosphere-asthenosphere boundary; P-receiver functions; S-receiver functions
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Funding
- NSF [EAR-1054638]
- Austrian Science Fund (FWF) [26391, 24218]
- Austrian Science Fund (FWF) [P24218] Funding Source: Austrian Science Fund (FWF)
- Directorate For Geosciences
- Division Of Earth Sciences [1054638] Funding Source: National Science Foundation
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Analyses of Ps and Sp receiver functions from datasets collected by permanent and temporary seismic stations, image a seismic discontinuity, due to a negative velocity contrast across the entire Eastern Alps. The receiver functions show the presence of the discontinuity within the upper mantle with a resolution of tens of kilometers laterally. It is deeper (100-130 km) below the central portion of the Eastern Alps, and shallower (70-80 km) towards the Pannonian Basin and in the Central Alps. Comparison with previous studies renders it likely that the observed discontinuity coincides with the lithosphere-asthenosphere boundary (LAB) east of 15 degrees E longitude, while it could be associated with a low velocity zone west of 15 degrees E. (C) 2014 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/3.0/).
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