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  1. OA@INAF
  2. PRODOTTI RICERCA INAF
  3. 1 CONTRIBUTI IN RIVISTE (Journal articles)
  4. 1.01 Articoli in rivista
Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.12386/34228
DC FieldValueLanguage
dc.contributor.authorOROSEI, Robertoen_US
dc.contributor.authorCaprarelli, Graziellaen_US
dc.contributor.authorLAURO, SEBASTIANen_US
dc.contributor.authorPettinelli, Elenaen_US
dc.contributor.authorCARTACCI, MARCOen_US
dc.contributor.authorCICCHETTI, ANDREAen_US
dc.contributor.authorCOSCIOTTI, BARBARAen_US
dc.contributor.authorDe Lorenzis, Alessandroen_US
dc.contributor.authorDe Nunzio, Giorgioen_US
dc.contributor.authorMATTEI, ELISABETTAen_US
dc.contributor.authorNENNA , CARLOen_US
dc.contributor.authorNOSCHESE, RAFFAELLAen_US
dc.contributor.authorSoldovieri, Francescoen_US
dc.date.accessioned2023-06-01T14:15:09Z-
dc.date.available2023-06-01T14:15:09Z-
dc.date.issued2022en_US
dc.identifier.issn0019-1035en_US
dc.identifier.urihttp://hdl.handle.net/20.500.12386/34228-
dc.descriptionThe authors are grateful to A.P. Rossi and L. Guallini for their helpful comments on an earlier version of this manuscript. We thank two anonymous reviewers for their constructive criticism and insights, that contributed to clarify and improve the paper. This work was supported by the Italian Space Agency (ASI) through contract ASI-INAF 2019–21- HH.0.en_US
dc.description.abstractThe principal objective of the radar sounder MARSIS experiment is to look for ice and water in the Martian subsurface. One particular focus of investigations, since 2005, has been the search for basal liquid water in the south polar layered deposits (SPLD). Anomalously strong basal echoes detected from four distinct areas at the base of the deposits at Ultimi Scopuli have been interpreted to indicate the presence of bodies of liquid water in this location, beneath a 1.5 km thick cover of ice and dust. Other explanations for the bright basal reflections have been proposed, however, including the possibility of constructive interference in layered media. Here, we test this mechanism through simulations of MARSIS radar signals propagating in models of CO2-H2O ice sequences. We then compare the results to real MARSIS data acquired over Ultimi Scopuli, finding that no CO2-H2O ice model sequence reproduces the set of real data. The results of our work have implications in relation to the global CO2 inventory of Mars.en_US
dc.language.isoengen_US
dc.titleNumerical simulations of radar echoes rule out basal CO2 ice deposits at Ultimi Scopuli, Marsen_US
dc.typeArticle-
dc.identifier.doi10.1016/j.icarus.2022.115163en_US
dc.identifier.scopus2-s2.0-85133844124en_US
dc.identifier.isi000885763400006en_US
dc.identifier.urlhttps://www.sciencedirect.com/science/article/pii/S0019103522002652en_US
dc.identifier.urlhttps://api.elsevier.com/content/abstract/scopus_id/85133844124en_US
dc.relation.mediumSTAMPAen_US
dc.relation.volume386en_US
dc.relation.firstpage1en_US
dc.relation.lastpage13en_US
dc.relation.numberofpages13en_US
dc.relation.article115163en_US
dc.type.refereeREF_1en_US
dc.description.numberofauthors13en_US
dc.description.internationalsìen_US
dc.contributor.countryITAen_US
dc.contributor.countryAUSen_US
dc.relation.scientificsectorFIS/05 - ASTRONOMIA E ASTROFISICAen_US
dc.relation.journalICARUSen_US
dc.type.miur262 Articolo in rivista-
dc.identifier.adsbibcode2022Icar..38615163Oen_US
dc.relation.ercsectorERC sectors::Physical Sciences and Engineering::PE9 Universe sciences: astro-physics/chemistry/biology; solar systems; stellar, galactic and extragalactic astronomy, planetary systems, cosmology, space science, instrumentation::PE9_2 Planetary systems sciencesen_US
dc.description.apcnoen_US
dc.description.oa1 – prodotto con file in versione Open Access (allegare il file al passo  5-Carica)en_US
item.grantfulltextopen-
item.languageiso639-1en-
item.openairetypeArticle-
item.cerifentitytypePublications-
item.fulltextWith Fulltext-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
crisitem.author.deptIRA Bologna-
crisitem.author.deptIAPS Roma-
crisitem.author.deptIAPS Roma-
crisitem.author.deptIAPS Roma-
crisitem.author.deptIAPS Roma-
crisitem.author.deptIAPS Roma-
crisitem.author.deptIAPS Roma-
crisitem.author.deptIAPS Roma-
crisitem.author.deptIAPS Roma-
crisitem.author.orcid0000-0003-1277-1294-
crisitem.author.orcid0000-0001-9825-1817-
crisitem.author.orcid0000-0002-9588-6531-
crisitem.author.orcid0000-0003-2676-2997-
crisitem.author.orcid0000-0003-0502-0337-
crisitem.journal.journalissn0019-1035-
crisitem.journal.anceE079353-
Appears in Collections:1.01 Articoli in rivista
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ICARUS-D-21-00344_R2 draft.pdfpreprint2.9 MBAdobe PDFView/Open
orosei_et_al_2022.pdf[Administrators only]3.51 MBAdobe PDF
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