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Hypothetical Apophis deep ocean impact - Energy analysis

2021-08-08Journal article Open access
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dc.contributor.authorMorais, Renato
dc.contributor.authorSantos, Luís
dc.contributor.authorSilva, André
dc.contributor.authorMelício, Rui
dc.date.accessioned2022-01-03T09:24:08Z
dc.date.available2023-08-08T00:30:26Z
dc.date.issued2021-08-08
dc.description.abstractThis paper models a hypothetical Apophis asteroid impact on an chosen deep ocean point on the globe. To assess the potential vulnerabilities of an exposed coast population, the impact effects were assessed as a function of the distance to the asteroid's impact point as well as altitude for the tsunami case. All the tools and models used are valid and can be implemented for any other point on the Earth's surface. The impact modelling includes the analysis of cratering formation, generated earthquake, overpressure, ejected material, generated thermal radiation and tsunami, as well as the global geophysical effects of the impact. The vulnerability models entail best, expected, and worst case scenarios, which allows a reasonable range of results. As the impact occurs in the ocean, and if its a great distance away from populated areas, the population is safeguarded from most of the impact effects. The tsunami is undoubtedly the most far-reaching and threatening impact effect from an asteroid impact on the ocean.pt_PT
dc.description.sponsorshipFundação para a Ciência e a Tecnologiapt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1016/j.actaastro.2021.08.005pt_PT
dc.identifier.issn00945765
dc.identifier.urihttp://hdl.handle.net/10400.6/11532
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherElsevier Ltdpt_PT
dc.relationAssociate Laboratory of Energy, Transports and Aeronautics
dc.relationINSTITUTE OF EARTH SCIENCES
dc.relation.publisherversionhttps://doi.org/10.1016/j.actaastro.2021.08.005pt_PT
dc.subjectNEOpt_PT
dc.subjectApophispt_PT
dc.subjectAsteroid impactpt_PT
dc.subjectShort-term consequencespt_PT
dc.subjectImpact effectspt_PT
dc.subjectVulnerabilitiespt_PT
dc.subjectAsteroidspt_PT
dc.subjectRadiation effectspt_PT
dc.subjectTsunamispt_PT
dc.subjectDeep oceanpt_PT
dc.subjectEnergy analysispt_PT
dc.titleHypothetical Apophis deep ocean impact - Energy analysispt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleAssociate Laboratory of Energy, Transports and Aeronautics
oaire.awardTitleINSTITUTE OF EARTH SCIENCES
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F50022%2F2020/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UIDB%2F04683%2F2020/PT
oaire.citation.endPage450pt_PT
oaire.citation.startPage438pt_PT
oaire.citation.titleActa Astronauticapt_PT
oaire.citation.volume188pt_PT
oaire.fundingStream6817 - DCRRNI ID
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMorais
person.familyNameSantos
person.familyNameResende Rodrigues da Silva
person.familyNameMelício
person.givenNameRenato
person.givenNameLuis
person.givenNameAndré
person.givenNameRui
person.identifierJ-4185-2012
person.identifier.ciencia-idD516-971F-D3B0
person.identifier.ciencia-id6717-B0D3-0F5B
person.identifier.ciencia-id8219-4B2B-E1C7
person.identifier.ciencia-idA213-8E2D-0102
person.identifier.orcid0000-0002-6980-4280
person.identifier.orcid0000-0002-7169-2660
person.identifier.orcid0000-0002-4901-7140
person.identifier.orcid0000-0002-1081-2729
person.identifier.ridI-6614-2015
person.identifier.scopus-author-id12768907700
person.identifier.scopus-author-id11440407500
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.embargofctPublicação sem custo; © 2021 IAA. Published by Elsevier Ltd. All rights reserved.pt_PT
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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