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The bathymetry of a Titan sea
dc.contributor.author | MASTROGIUSEPPE, Marco | |
dc.contributor.author | POGGIALI, Valerio | |
hal.structure.identifier | Division of Geological and Planetary Sciences [Pasadena] | |
dc.contributor.author | HAYES, Alexander | |
hal.structure.identifier | Johns Hopkins University Applied Physics Laboratory [Laurel, MD] [APL] | |
dc.contributor.author | LORENZ, Ralph | |
hal.structure.identifier | Lunar and Planetary Laboratory [Tucson] [LPL] | |
dc.contributor.author | LUNINE, Jonathan | |
dc.contributor.author | PICARDI, Giovanni | |
hal.structure.identifier | Dipartimento INFOCOM [Roma] | |
dc.contributor.author | SEU, Roberto | |
hal.structure.identifier | Agenzia Spaziale Italiana [ASI] | |
dc.contributor.author | FLAMINI, Enrico | |
hal.structure.identifier | Jet Propulsion Laboratory [JPL] | |
dc.contributor.author | MITRI, Giuseppe | |
dc.contributor.author | NOTARNICOLA, Claudia | |
hal.structure.identifier | SSE 2014 | |
dc.contributor.author | PAILLOU, Philippe | |
hal.structure.identifier | Department of Geophysics [Stanford] | |
hal.structure.identifier | Department of Electrical Engineering [Stanford] | |
dc.contributor.author | ZEBKER, Howard | |
dc.date.conference | 2014 | |
dc.description.abstractEn | construct the depth profile--the bathymetry--of Titan's large sea Ligeia Mare from Cassini RADAR data collected during the 23 May 2013 (T91) nadir-looking altimetry flyby. We find the greatest depth to be about 160 m and a seabed slope that is gentler toward the northern shore, consistent with previously imaged shoreline morphologies. Low radio signal attenuation through the sea demonstrates that the liquid, for which we determine a loss tangent of 3 ± 1*10-5, is remarkably transparent, requiring a nearly pure methane-ethane composition, and further that microwave absorbing hydrocarbons, nitriles, and suspended particles be limited to less than the order of 0.1% of the liquid volume. Presence of nitrogen in the ethane-methane sea, expected based on its solubility and dominance in the atmosphere, is consistent with the low attenuation, but that of substantial dissolved polar species or suspended scatterers is not. | |
dc.language.iso | en | |
dc.subject.en | Planetary Sciences | |
dc.subject.en | Solar System Objects | |
dc.subject.en | Titan | |
dc.subject.en | Hydrology | |
dc.subject.en | Remote sensing | |
dc.subject.en | Cassini | |
dc.title.en | The bathymetry of a Titan sea | |
dc.type | Communication dans un congrès | |
dc.subject.hal | Planète et Univers [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP] | |
dc.subject.hal | Physique [physics]/Astrophysique [astro-ph]/Planétologie et astrophysique de la terre [astro-ph.EP] | |
bordeaux.country | AT | |
bordeaux.conference.city | Vienna | |
bordeaux.peerReviewed | oui | |
hal.identifier | hal-00992841 | |
hal.version | 1 | |
hal.invited | non | |
hal.proceedings | non | |
hal.popular | non | |
hal.audience | Internationale | |
hal.origin.link | https://hal.archives-ouvertes.fr//hal-00992841v1 | |
bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.au=MASTROGIUSEPPE,%20Marco&POGGIALI,%20Valerio&HAYES,%20Alexander&LORENZ,%20Ralph&LUNINE,%20Jonathan&rft.genre=unknown |
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