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Authors: | Michailos, Konstantinos* Hetényi, Gyorgy* Scarponi, Matteo* Stipçević, Josip* Bianchi, Irene* Bonatto, Luciana* Czuba, Wojciech* Di Bona, Massimo* Govoni, Aladino* Hannemann, Katrin* Janik, Tomasz* Kalmár, Dániel* Kind, Rainer* Link, Frederik* Lucente, Francesco Pio* Monna, Stephen* Montuori, Caterina* Mroczek, Stefan* Paul, Anne* Piromallo, Claudia* Plomerová, Jaroslava* Rewers, Julia* Salimbeni, Simone* Tilmann, Frederik* Środa, Piotr* Vergne, Jérôme* |
Title: | Moho depths beneath the European Alps: a homogeneously processed map and receiver functions database | Journal: | Earth System Science Data | Series/Report no.: | /15 (2023) | Publisher: | Copernicus Publications | Issue Date: | 2023 | DOI: | 10.5194/essd-2022-397 | Abstract: | We use seismic waveform data from the AlpArray Seismic Network and three other temporary seismic networks, to perform receiver function (RF) calculations and time−to−depth migration to update the knowledge of the Moho discontinuity beneath the broader European Alps. In particular, we set up a homogeneous processing scheme to compute RFs using the time-domain iterative deconvolution method and apply consistent quality control to yield 112,205 high-quality RFs. We then perform time−to−depth migration in a newly implemented 3D spherical coordinate system using a European-scale reference P and S wave velocity model. This approach, together with the dense data coverage, provide us with a 3D migrated volume, from which we present migrated profiles that reflect the first-order crustal thickness structure. We create a detailed Moho map by manually picking the discontinuity in a set of orthogonal profiles covering the entire area. We make the RF dataset, the software for the entire processing workflow, as well as the Moho map, openly available; these open-access datasets and results will allow other researchers to build on the current study. |
Appears in Collections: | Article published / in press |
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essd-15-2117-2023.pdf | Open Access Published Article | 16.64 MB | Adobe PDF | View/Open |
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