A Technique for the Analysis of Radio Occultation Data to Retrieve Atmospheric Properties and Associated Uncertainties

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dc.contributor.authorPetricca, Flavio
dc.contributor.authorCascioli, Gael
dc.contributor.authorGenova, Antonio
dc.date.accessioned2023-01-19T20:44:33Z
dc.date.available2023-01-19T20:44:33Z
dc.date.issued2021-04-12
dc.description.abstractAmong the techniques for atmospheric sounding, radio occultation enables an in depth investigation of vertical profiles from the ionosphere to the troposphere by measuring the radio frequency signal associated to the propagation medium. A precise characterization of the atmospheric layers requires a thorough processing of the raw radio tracking data to estimate the thermodynamic properties of the atmosphere and their related uncertainties. In this work, we present a method to retrieve refractivity, density, pressure, and temperature profiles with the associated uncertainties by analyzing a set of raw radio tracking data occulted by the atmosphere. This technique is also well suited to process two-way Doppler measurements that are not acquired during dedicated occultation campaigns. The NASA mission Mars Reconnaissance Orbiter (MRO) provided a significant amount of radio occultation data that were not planned for atmospheric sounding, but were caused by the spacecraft orbit geometry. Our analysis of one of these occultation profiles with the proposed method allows indicating that MRO occultation datasets provide crucial information regarding Mars’ troposphere that can be used as input of general circulation modelsen_US
dc.description.sponsorshipThis work has been partially funded by grants of the Italian Ministry of Educa-tion, University and Research (MIUR). The authors are grateful to Paul Withers (Boston University) for his efforts in sharing the basic techniques used in radio occultation data processing.en_US
dc.description.urihttps://agupubs.onlinelibrary.wiley.com/doi/full/10.1029/2020RS007205en_US
dc.format.extent18 pagesen_US
dc.genrejournal articlesen_US
dc.identifierdoi:10.13016/m2ctzi-ekbm
dc.identifier.citationPetricca, F., Cascioli, G., & Genova, A. (2021). A technique for the analysis of radio occultation data to retrieve atmospheric properties and associated uncertainties. Radio Science, 56, e2020RS007205. https://doi.org/10.1029/2020RS007205en_US
dc.identifier.urihttps://doi.org/10.1029/2020RS007205
dc.identifier.urihttp://hdl.handle.net/11603/26689
dc.language.isoen_USen_US
dc.publisherWileyen_US
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis item is likely protected under Title 17 of the U.S. Copyright Law. Unless on a Creative Commons license, for uses protected by Copyright Law, contact the copyright holder or the author.en_US
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International (CC BY-NC-ND 4.0)*
dc.rights.urihttps://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.titleA Technique for the Analysis of Radio Occultation Data to Retrieve Atmospheric Properties and Associated Uncertaintiesen_US
dc.typeTexten_US
dcterms.creatorhttps://orcid.org/0000-0001-9070-7947en_US

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