Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/4226
DC Field | Value | Language |
---|---|---|
dc.contributor.authorall | Melini, D.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.authorall | Cannelli, V.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.authorall | Piersanti, A.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.authorall | Spada, G.; Istituto di Fisica, Università degli Studi di Urbino 'Carlo Bo', Urbino, Italy | en |
dc.date.accessioned | 2008-11-24T12:17:47Z | en |
dc.date.available | 2008-11-24T12:17:47Z | en |
dc.date.issued | 2008 | en |
dc.identifier.uri | http://hdl.handle.net/2122/4226 | en |
dc.description.abstract | The post-seismic response of a viscoelastic Earth to a seismic dislocation can be computed analytically within the framework of normal-modes, based on the application of propagator methods. This technique, widely documented in the literature, suffers from several shortcomings; the main drawback is related to the numerical solution of the secular equation, whose degree increases linearly with the number of viscoelastic layers so that only coarse-layered models are practically solvable. Recently, a viable alternative to the standard normal-mode approach, based on the Post–Widder Laplace inversion formula, has been proposed in the realm of postglacial rebound models. The main advantage of this method is to bypass the explicit solution of the secular equation, while retaining the analytical structure of the propagator formalism. At the same time, the numerical computation is much simplified so that additional features such as linear non-Maxwell rheologies can be simply implemented. In this work, for the first time, we apply the Post–Widder Laplace inversion formula to a post-seismic rebound model. We test the method against the standard normal-mode solution and we perform various benchmarks aimed to tune the algorithm and to optimize computation performance while ensuring the stability of the solution. As an application, we address the issue of finding the minimum number of layers with distinct elastic properties needed to accurately describe the post-seismic relaxation of a realistic Earth model. Finally, we demonstrate the potentialities of our code by modelling the post-seismic relaxation after the 2004 Sumatra–Andaman earthquake comparing results based upon Maxwell and Burgers rheologies. | en |
dc.language.iso | English | en |
dc.relation.ispartof | Geophysical Journal International | en |
dc.relation.ispartofseries | 2/174 (2008) | en |
dc.subject | Numerical solutions | en |
dc.subject | Transient deformation | en |
dc.subject | Rheology: mantle | en |
dc.title | Post-seismic rebound of a spherical Earth: new insights from the application of the Post-Widder inversion formula | en |
dc.type | article | en |
dc.description.status | Published | en |
dc.type.QualityControl | Peer-reviewed | en |
dc.description.pagenumber | 672-695 | en |
dc.subject.INGV | 04. Solid Earth::04.07. Tectonophysics::04.07.02. Geodynamics | en |
dc.identifier.doi | 10.1111/j.1365-246X.2008.03847.x | en |
dc.description.obiettivoSpecifico | 3.3. Geodinamica e struttura dell'interno della Terra | en |
dc.description.journalType | JCR Journal | en |
dc.description.fulltext | partially_open | en |
dc.contributor.author | Melini, D. | en |
dc.contributor.author | Cannelli, V. | en |
dc.contributor.author | Piersanti, A. | en |
dc.contributor.author | Spada, G. | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma1, Roma, Italia | en |
dc.contributor.department | Istituto di Fisica, Università degli Studi di Urbino 'Carlo Bo', Urbino, Italy | en |
item.openairetype | article | - |
item.cerifentitytype | Publications | - |
item.languageiso639-1 | en | - |
item.grantfulltext | open | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia | - |
crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia | - |
crisitem.author.dept | Insitute of Physics, University of Urbino, Italy | - |
crisitem.author.orcid | 0000-0002-5383-2375 | - |
crisitem.author.orcid | 0000-0002-6711-2264 | - |
crisitem.author.orcid | 0000-0002-1814-5721 | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.classification.parent | 04. Solid Earth | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
crisitem.department.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
Appears in Collections: | Article published / in press |
Files in This Item:
File | Description | Size | Format | |
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melini2008.pdf | 2.68 MB | Adobe PDF | View/Open | |
ARTICLE.pdf | 1.73 MB | Adobe PDF |
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