EPSC-DPS Joint Meeting 2019
Centre International de Conférences de Genève (CICG) | Geneva | Switzerland
15–20 September 2019
EPSC-DPS2019
Geneva | Switzerland
15–20 September 2019
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Programme

OPS3
Ocean Worlds and Icy Moons 

The set of known and suspected ocean worlds continues to expand, leading to intense interest in their viability as potential habitats that may be or may have been inhabited. Previous missions such as Cassini-Huygens, Galileo and New Horizons provide a major incentive for future exploration of the icy Galilean satellites with Europa Clipper and JUICE. Understanding ocean worlds and preparing for their exploration requires input from a variety of scientific disciplines: planetary geology and geophysics (including active processes, e.g. plumes), atmospheric physics, life sciences, magnetospheric environment, space weathering, as well as supporting laboratory studies, preparatory studies for future missions and technology developments in instrumentation and engineering. We welcome abstracts that span the full breadth of disciplines that apply to the icy moons in the outer Solar System with potential liquid oceans underneath, and their exploration.

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Co-organized as EXO16
Convener: Carly Howett | Co-conveners: Shahab Fatemi, Chris German, Candy Hansen, Jason Hofgartner, Mika Holmberg, Terry Hurford, Hans Huybrighs, Alison Murray, Alyssa Rhoden, Darci Snowden, Anezina Solomonidou, Joseph Spitale, Federico Tosi
Programme
| Wed, 18 Sep, 08:30–12:00, 13:30–18:30
 
Jupiter (Room 1), Thu, 19 Sep, 08:30–12:00, 13:30–17:00
 
Jupiter (Room 1)
Programme
| Attendance Thu, 19 Sep, 17:15–18:45|Level 2

Wednesday, 18 September 2019 | Jupiter (Room 1)

Europa
08:30–08:45 |
EPSC-DPS2019-1877
Enceladus plume discovery and future Europa plume investigations
Michele Dougherty
08:45–09:00 |
EPSC-DPS2019-1199
Europa-style plate tectonics: Extension, convection, and the fate of icy slabs
Samuel Howell, Robert Pappalardo, Erin Leonard, and Laurent Montesi
09:00–09:15 |
EPSC-DPS2019-485
Dynamics of the global meridional ice flow of Europa’s icy shell
Yosef Ashkenazy, Roiy Sayag, and Eli Tziperman
09:15–09:30 |
EPSC-DPS2019-390
Radiation-induced changes in Europa surface analogs exposed to high-energy electrons
Bryana Henderson, Murthy Gudipati, and Fred Bateman
09:30–09:45 |
EPSC-DPS2019-917
Thermal properties of Europa and Ganymede from spatially resolved ALMA observations
Katherine de Kleer, Bryan Butler, Imke de Pater, Mark Gurwell, and Arielle Moullet
09:45–10:00 |
EPSC-DPS2019-865
Reassessing Europa’s Surface Roughness
Gregor Steinbrügge, Joana Voigt, Dustin Schroeder, Alexander Stark, Mark Haynes, Kirk Scanlan, Christopher Hamilton, Duncan Young, Hauke Hussmann, Cyril Grima, and Donald Blankenship
Coffee break
10:30–10:45 |
EPSC-DPS2019-57
Global and Regional scale Geologic Mapping of Europa
Erin Leonard, David Senske, and Alex Patthoff
10:45–11:00 |
EPSC-DPS2019-1101
Oxygen sources on Europa
Jiazheng Li, Murthy Gudipati, and Yuk Yung
11:00–11:15 |
EPSC-DPS2019-935
Rapid Temporal Variability of Condensed Oxygen on Europa?
John Spencer, William Grundy, and Carl Schmidt
11:15–11:30 |
EPSC-DPS2019-596
Compositional mapping of Europa with VLT/SPHERE
Oliver King, Leigh Fletcher, and Nicolas Ligier
11:30–11:45 |
EPSC-DPS2019-825
H2O2 within Chaos Terrain on Europa’s Leading Hemisphere
Samantha Trumbo, Michael Brown, and Kevin Hand
11:45–12:00 |
EPSC-DPS2019-1159
Episodic mobile lid activity in Europa's ice shell
Geoffrey C. Collins, G. Wesley Patterson, Louise M. Prockter, Simon A. Kattenhorn, Catherine M. Cooper, Alyssa R. Rhoden, and Jonathan P. Kay
Lunch break
13:30–13:45 |
EPSC-DPS2019-465
Sustainability of the melting in the silicate mantle of Europa
Marie Behounkova, Gabriel Tobie, Gael Choblet, Mathilde Kervazo, and Caroline Dumoulin
13:45–14:00 |
EPSC-DPS2019-459
Shallow subsurface lakes on Europa? Probably not ...
Kateřina Sládková, Ondřej Souček, and Klára Kalousová
14:00–14:15 |
EPSC-DPS2019-8
Evidence of Europa neutral gas torii from Galileo EPD energetic sulfur ion measurements
Quentin Nénon and Nicolas André
14:15–14:30 |
EPSC-DPS2019-1906
Plasma in Europa’s near space environment.
Abigail Rymer, Corey Cochrane, Joseph Westlake, H.Todd Smith, and Kathleen Mandt
14:30–14:45 |
EPSC-DPS2019-508
Modelling of Europa’s plumes
Francois Leblanc, Vincent Caillé, Elodie Lesage, Hélène Massol, Frédéric Schmidt, and Apurva Oza
14:45–15:00 |
EPSC-DPS2019-1186
Modeling Thermal Signatures of Active Regions and Plumes on Europa
Paul Hayne, Carly Howett, Julie Rathbun, and Francis Nimmo
Coffee break
Jupiter System
15:30–15:45 |
EPSC-DPS2019-1149
Tidal Signatures of Geochemically Rigorous Interior Structure for Ganymede
Steven Vance, Gabriel Tobie, Mohit Melwani Daswani, and Gael Choblet
15:45–16:00 |
EPSC-DPS2019-1411
Multidisciplinary analysis of Ganymede’s Melkart impact crater
Alice Lucchetti, Maurizio Pajola, Cristina Dalle Ore, Valentina Galluzzi, Katrin Stephan, Gabriele Cremonese, and Pasquale Palumbo
16:00–16:15 |
EPSC-DPS2019-1688
Mapping the Brightness of Ganymede's UV Aurora using HST STIS Observations
Alexander Marzok, Joachim Saur, Lorenz Roth, and Denis Grodent
16:15–16:30 |
EPSC-DPS2019-138
Laboratory analogues for the icy moons of Jupiter – The added value of a time-of-flight mass spectrometer
André Galli, Audrey Vorburger, Peter Wurz, Marek Tulej, Niels F.W. Ligterink, Romain Cerubini, Apurva Oza, Martin Rubin, Antoine Pommerol, and Nicolas Thomas
16:30–16:45 |
EPSC-DPS2019-712
3D Monte-Carlo Simulation of Callisto’s Varying Ionosphere
Audrey Vorburger, Peter Wurz, André Galli, Martin Rubin, Martin Pfleger, Helmut Lammer, Herbert Lichtenegger, Jesper Lindkvist, and Mats Holmström
16:45–17:00 |
EPSC-DPS2019-491
New insights about Callisto's surface composition and properties from ground-based observations
Nicolas Ligier, Wendy M. Calvin, John Carter, Christopher Paranicas, François Poulet, and Colin Snodgrass
Break
Saturn System
17:15–17:30 |
EPSC-DPS2019-1960
| Media interest
The long Journey of Organic Material from Enceladus Hydrothermal Core into the Plume
Frank Postberg, Nozair Khawaja, Lenz Nölle, Fabian Klenner, Jon Hillier, Gabriel Tobie, Gael Choblet, Christopher Glein, Alexis Bouquet, and Juergen Schmidt
17:30–17:45 |
EPSC-DPS2019-1211
Folding, faulting, and subduction on Europa and Enceladus
Michael T. Bland and William McKinnon
17:45–18:00 |
EPSC-DPS2019-1401
Compositional Profiles of the Enceladus Dust Plume from CDA measurements at flybys E5 and E17
Anastasiia Ershova, Jürgen Schmidt, Frank Postberg, Nozair Khawaja, and Lenz Nölle
18:00–18:15 |
EPSC-DPS2019-440
In search of cold traps on Rhea
Georgina Miles, Carly Howett, John Spencer, and Paul Schenk
18:15–18:30 |
EPSC-DPS2019-574
Millimetric thermal emission from the two faces of Iapetus
Lea Bonnefoy, Jean-François Lestrade, Alice Le Gall, Emmanuel Lellouch, Cédric Leyrat, Nicolas Ponthieu, and Bilal Ladjelate

Thursday, 19 September 2019 | Jupiter (Room 1)

Titan
08:30–08:45 |
EPSC-DPS2019-1650
Cooling patterns in rotating thin spherical shells – application to Titan’s subsurface ocean
Hagay Amit, Gael Choblet, Gabriel Tobie, Filipe Terra-Nova, Ondrej Cadek, and Mathieu Bouffard
08:45–09:00 |
EPSC-DPS2019-288
Titan’s climate explains the presence of its deep ocean
Klara Kalousova and Christophe Sotin
09:00–09:15 |
EPSC-DPS2019-1044
What rocks on Titan? New phases of acrylonitrile and prospects for mineralogy with organic molecules
Helen Maynard-Casely, Michael Malaska, Robert Hodyss, Tuan Vu, Morgan Cable, and Mathieu Choukroun
09:15–09:30 |
EPSC-DPS2019-1099
Wavelength Choice for Titan Surface Imaging from a Future Orbital Mission
Jason W. Barnes, Shannon M. MacKenzie, Jason M. Soderblom, Eliot F. Young, Michael Heslar, Teyen Widdicombe, and Jett Kauffman
09:30–09:45 |
EPSC-DPS2019-1146
Understanding the Hydrocarbon Lakes and Seas on Titan
Jennifer Hanley, Anna Engle, Shyanne Dustrud, Jessica Groven, Gerrick Lindberg, William Grundy, Sugata Tan, and Stephen Tegler
09:45–10:00 |
EPSC-DPS2019-535
The raised ramparts around Titan’s northern lakes
Anezina Solomonidou and the co-authors
Coffee break
10:30–10:45 |
EPSC-DPS2019-1082
Titan’s Radial Labyrinths
Michael Malaska, Lauren Schurmeier, Rosaly Lopes, Ashley Schoenfeld, Anezina Solomonidou, Alice Le Gall, and Jani Radebaugh
10:45–11:00 |
EPSC-DPS2019-1028
When and where does it rain on Titan?
Rajani D. Dhingra, Jason W. Barnes, Michael Heslar, Robert H. Brown, Bonnie J. Buratti, Christophe Sotin, Phil D. Nicholson, Kevin H. Baines, Roger N. Clark, Jason M. Soderblom, Ralf Jaumann, Sebastien Rodriguez, and Stephane Le Mouelic
Triton & Pluto
11:00–11:15 |
EPSC-DPS2019-763
Magnetic induction signatures from an ocean within Triton
Frank Crary
11:15–11:30 |
EPSC-DPS2019-806
The Atmosphere of Triton Observed With ALMA
Mark Gurwell, Emmanuel Lellouch, Bryan Butler, Raphael Moreno, Arielle Moullet, and Darrell Strobel
11:30–11:45 |
EPSC-DPS2019-968
Pluto surface composition from spectral model inversion with metaheuristics
Leila Gabasova, Nikola K. Blanchard, Bernard Schmitt, Will M. Grundy, Cathy B. Olkin, John R. Spencer, Leslie A. Young, Kimberly Ennico Smith, Hal A. Weaver, and S. Alan Stern
11:45–12:00 |
EPSC-DPS2019-931
Origin of Charon’s Red Poles: New Insights from Exospheric Modeling and Solid Methane Photolysis
Ujjwal Raut, Ben Teolis, Joshua Kammer, Carly Howett, Kurt Retherford, and Randy Gladstone
Lunch break
Laboratory Work
13:30–13:45 |
EPSC-DPS2019-1627
Laboratory experiments on catastrophic disruption of icy ocean worlds
Mark Burchell and Kathryn Harriss
13:45–14:00 |
EPSC-DPS2019-1789
Laboratory experiments recreating icy moons’ geysers
Stephanie Cazaux
14:00–14:15 |
EPSC-DPS2019-1754
Experiments for the Identification of Biosignatures in Ice Grains from Extraterrestrial Ocean Worlds
Fabian Klenner, Frank Postberg, Jon Hillier, Nozair Khawaja, and Ferdinand Stolz
14:15–14:30 |
EPSC-DPS2019-353
Hypervelocity Enceladus Ice Grain Analogue Production with the Aerosol Impact Spectrometer
Morgan Miller, Robert Hodyss, Michael Malask, Amy Hofmann, Sarah Waller, Anton Belousov, James Lambert, Stojan Madzunkov, Murray Darrach, Andres Jaramillo-Botero, Morgan Cable, and Robert Continetti
14:30–14:45 |
EPSC-DPS2019-1132
Characterizing Evaporites on Titan Using an Experimental Chamber
Ellen Czaplinski, Woodrow Gilbertson, Kendra Farnsworth, and Vincent Chevrier
Icy Satellites
14:45–15:00 |
EPSC-DPS2019-542
Follow the high subcritical water
Marie-Paule Bassez
Coffee break
15:30–15:45 |
EPSC-DPS2019-1677
The Tidal Evolution of Rocky and Icy Worlds Subjected to Advanced Rheological Models
Joe Renaud, Wade Henning, Prabal Saxena, Avi Mandell, Martin Jutzi, and Terry Hurford
15:45–16:00 |
EPSC-DPS2019-627
New scaling laws for stagnant lid convection with a composite ice rheology: Application to Ganymede and Titan
Ludivine Harel, Caroline Dumoulin, Gaël Choblet, Gabriel Tobie, and Jonathan Besserer
16:00–16:15 |
EPSC-DPS2019-28
Tides in a non-uniform subsurface ocean
Marc Rovira-Navarro, Theo Gerkema, Leo R.M Maas, Wouter van der Wal, Ron A.J. van Ostayen, and Bert Vermeersen
16:15–16:30 |
EPSC-DPS2019-474
Astrobiologically relevant precursor organic compounds from the subsurface ocean of Enceladus
Nozair Khawaja, Frank Postberg, Jon Hillier, Fabian Klenner, Lenz Nölle, and Rene Reviol
16:30–16:45 |
EPSC-DPS2019-1635
The Coloration of Salty Ices
Romain Cerubini, Antoine Pommerol, André Galli, Zuriñe Yoldi, Bernhard Jost, Peter Wurz, and Nicolas Thomas
16:45–17:00 |
EPSC-DPS2019-614
How long can layers last in the subsurface oceans of icy satellites?
Teresa Wong, Ulrich Hansen, Thomas Wiesehöfer, Stephan Stellmach, and William McKinnon