Please use this identifier to cite or link to this item:
http://hdl.handle.net/2122/12209| DC Field | Value | Language |
|---|---|---|
| dc.date.accessioned | 2019-02-01T09:22:52Z | en |
| dc.date.available | 2019-02-01T09:22:52Z | en |
| dc.date.issued | 2018-10-17 | en |
| dc.identifier.uri | http://hdl.handle.net/2122/12209 | en |
| dc.description.abstract | In this study, we present a new estimation of the gravitational potential energy (GPE) in Iberia and use numerical modeling to evaluate its relative contribution to the present‐day stress field and deformation. We also present an improved (larger time span and denser coverage) compilation of Global Navigation Satellite System velocities, which we use to compute the strain rate field of Iberia. We take advantage of recent neotectonic modeling developed for Iberia and northwest Africa to study the isolated dynamic contribution of GPE‐related stresses. We present two models—one including only the stress generated by GPE and another reproducing the net stress field—and compare their predictions with the most up‐to‐date compilations of stress indicators, hypocenter clusters, and geodetic strain rates. The main effect of GPE is to induce second‐order spatial variations in the stress field. GPE appears to play an important role in high‐topography regions, where it explains deviatoric stress patterns mainly associated with extensional regimes. In north Iberia, especially in the Pyrenees and Cantabria, GPE causes an extensional regime over the highest peaks. In the Iberian Chain and eastern Betics, GPE is in agreement with the observed extensional deformation. Normal focal mechanisms of shallow earthquake clusters appear to be related with GPE maxima and GPE‐induced extensional regimes. Wavelength analysis suggests that both GPE and the long‐wavelength topography of intraplate Iberia record the plate boundary forces that acted in Iberia during the Alpine orogeny at Eocene to lower Miocene times. | en |
| dc.description.sponsorship | Ministry of Education and Science | Fundação para a Ciência e a Tecnologia (FCT). Grant Number: FCT UID/GEO/50019/2013 ‐ Instituto Dom Luiz. FCT. Grant Number: UID/GEO/50019/2013 | en |
| dc.language.iso | English | en |
| dc.relation.ispartof | Journal of Geophysical Research: Solid Earth | en |
| dc.relation.ispartofseries | /123 (2018) | en |
| dc.subject | Iberia | en |
| dc.subject | Gravitational Potential | en |
| dc.subject | stress field | en |
| dc.subject | strain rates | en |
| dc.subject | intraplate deformation | en |
| dc.subject | plate driving mechanism | en |
| dc.title | Gravitational Potential Energy in Iberia: A Driver of Active Deformation in High-Topography Regions | en |
| dc.type | article | en |
| dc.description.status | Published | en |
| dc.type.QualityControl | Peer-reviewed | en |
| dc.description.pagenumber | 10277-10296 | en |
| dc.identifier.URL | https://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2017JB015002# | en |
| dc.subject.INGV | Gravitational Potential Energy in Iberia | en |
| dc.identifier.doi | 10.1029/2017JB015002 | en |
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| dc.description.obiettivoSpecifico | 1T. Struttura della Terra | en |
| dc.description.journalType | JCR Journal | en |
| dc.contributor.author | Neres, M | en |
| dc.contributor.author | Neves, M. C. | en |
| dc.contributor.author | Custódio, S. | en |
| dc.contributor.author | Palano, Mimmo | en |
| dc.contributor.author | Fernandes, R. | en |
| dc.contributor.author | Matias, L. | en |
| dc.contributor.author | Carafa, Michele M. C. | en |
| dc.contributor.author | Terrinha, P. | en |
| dc.contributor.department | Instituto Dom Luiz, Faculdade de Ciências, Universidade de Lisboa, , Lisbon, Portugal | en |
| dc.contributor.department | Instituto Dom Luiz, Universidade do Algarve, , Faro, Portugal | en |
| dc.contributor.department | Instituto Dom Luiz, Faculdade de Ciências, Universidade de Lisboa, , Lisbon, Portugal | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | en |
| dc.contributor.department | Instituto Dom Luiz, Universidade da Beira Interior, Covilhã, Portugal | en |
| dc.contributor.department | Instituto Dom Luiz, Faculdade de Ciências, Universidade de Lisboa, , Lisbon, Portugal | en |
| dc.contributor.department | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia | en |
| dc.contributor.department | Instituto Dom Luiz, Faculdade de Ciências, Universidade de Lisboa, , Lisbon, Portugal | en |
| item.openairetype | article | - |
| item.cerifentitytype | Publications | - |
| item.languageiso639-1 | en | - |
| item.grantfulltext | restricted | - |
| item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
| item.fulltext | With Fulltext | - |
| crisitem.author.dept | Instituto Dom Luiz, Faculdade de Ciências, Universidade de Lisboa, , Lisbon, Portugal | - |
| crisitem.author.dept | Instituto Dom Luiz, Universidade do Algarve, , Faro, Portugal | - |
| crisitem.author.dept | Universidade de Lisboa, Instituto Dom Luiz, Faculdade de Ciencias, Lisbon, Portuga | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione OE, Catania, Italia | - |
| crisitem.author.dept | Instituto Dom Luiz, Universidade da Beira Interior, Covilhã, Portugal | - |
| crisitem.author.dept | Instituto Dom Luiz, Faculdade de Ciências da Universidade de Lisboa, Portugal | - |
| crisitem.author.dept | Istituto Nazionale di Geofisica e Vulcanologia (INGV), Sezione Roma1, Roma, Italia | - |
| crisitem.author.dept | Laboratório Nacional de Energia e Geologia, I.P., Portugal | - |
| crisitem.author.orcid | 0000-0001-5726-3467 | - |
| crisitem.author.orcid | 0000-0001-7457-4179 | - |
| crisitem.author.orcid | 0000-0001-7254-7855 | - |
| crisitem.author.orcid | 0000-0002-8086-4874 | - |
| crisitem.author.orcid | 0000-0001-5463-463X | - |
| crisitem.author.parentorg | Istituto Nazionale di Geofisica e Vulcanologia | - |
| crisitem.author.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 | |
|---|---|---|---|---|
| 2018_Neres et al [GPE Iberia] JGR.pdf | Pubblished Paper | 6.17 MB | Adobe PDF | View/Open |
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