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Constraining Waves on Titan's Northern Lake Jingpo Lacus using VIMS Specular Reflection Observations

Barnes, Jason W. and Soderblom, Jason M. and Brown, R. H. and Soderblom, L.A. and Stephan, K. and Jaumann, R. and Le Mouelic, S. and Rodriguez, S. and Sotin, C. and Buratti, B.J. and Baines, K. H. and Clark, R. N. and Nicholson, P. D. (2010) Constraining Waves on Titan's Northern Lake Jingpo Lacus using VIMS Specular Reflection Observations. In: AAS, 42. DPS- Meeting, 2010-10-03 - 2010-10-08, Pasadena, USA.

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Using the specular reflection discovered in T58 Cassini-VIMS data by Stephan et al. (2010), we analyzed the resulting photometric lightcurve of this specular event to constrain wave activity. Waves spread out the specular reflective intensity on the surface of the liquid. Without waves, the intensity distribution would represent a perfect image of the Sun. Since VIMS does not spatially resolve the specular intensity distrubution, we use the specular intensity's evolution over time to infer its properties instead. A specular intensity distribution spread out by wave activity will rise and diminish slowly upon a transition from land to sea or sea to land respectively. Without waves, the intensity will rapidly wink on and off as the specular point crosses the shoreline. We find that the waves on Jingpo Lacus, an Ontario Lacus-sized lake in Titan's north near Kraken Mare, cannot have slopes of more than 0.2 degrees. A specular reflection lightcurve of Kraken Mare itself from T59 is harder to interpret, showing variability that could be either atmospheric scintillation, clouds, changing wind conditions, or kilometer-wavelength waves.

Item URL in elib:https://elib.dlr.de/73058/
Document Type:Conference or Workshop Item (UNSPECIFIED)
Title:Constraining Waves on Titan's Northern Lake Jingpo Lacus using VIMS Specular Reflection Observations
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Barnes, Jason W.Lunar and Planetary Laboratory, University of Arizona, Tucson, AZ, USAUNSPECIFIEDUNSPECIFIED
Soderblom, Jason M.Department of Planetary Sciences, University of Arizona, Tucson, AZ 85721, USAUNSPECIFIEDUNSPECIFIED
Brown, R. H.Lunar and Planetary Lab, University of Arizona, Tucson, AZ, USAUNSPECIFIEDUNSPECIFIED
Soderblom, L.A.United States Geological Survey, Flagstaff, AZUNSPECIFIEDUNSPECIFIED
Le Mouelic, S.Laboratoire de Planétologie et Géodynamique, 2 rue de la Houssinière, 44322 NantesUNSPECIFIEDUNSPECIFIED
Rodriguez, S.Laboratoire AIM, FranceUNSPECIFIEDUNSPECIFIED
Sotin, C.University of Nantes, Nantes, FranceUNSPECIFIEDUNSPECIFIED
Buratti, B.J.Jet Propulsion Laboratory, Pasadena, CAUNSPECIFIEDUNSPECIFIED
Baines, K. H.Jet Propulsion Laboratory, Pasadena, CA, USAUNSPECIFIEDUNSPECIFIED
Clark, R. N.US Geological Survey, Denver, CO, USAUNSPECIFIEDUNSPECIFIED
Nicholson, P. D.Department of Astronomy, Cornell University, Ithaca, NY, USAUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:AAS
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Cassini, VIMS, Titan,
Event Title:DPS- Meeting
Event Location:Pasadena, USA
Event Type:international Conference
Event Start Date:3 October 2010
Event End Date:8 October 2010
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Vorhaben CASSINI (old)
Location: Berlin-Adlershof
Institutes and Institutions:Institute of Planetary Research > Planetary Geology
Deposited By: Stephan, Dr.rer.nat. Katrin
Deposited On:16 Dec 2011 16:39
Last Modified:24 Apr 2024 19:38

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