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Recorded Presentations

Tuesday, May 21, 2019
MODELING OF ICE SHELLS II

Hammond N. P. * Near-Surface Melt on Europa:  Modeling the Formation and Migration of Brines in a Dynamic Ice Shell [#6024]
I examine how the presences of salts affect the dynamics of melt generation and migration in Europa’s ice shell. I find that low-temperature brines can readily be generated in the near-surface by shear heating beneath strike-slip faults.
Buffo J. J. *   Schmidt B. E.   Huber C.   Walker C. C. Quantifying Impurity Entrainment at Ice-Liquid Interfaces [#6006]
A one-dimensional model of salt entrainment in planetary ices — implications for icy world geodynamics, habitability, and spacecraft data analysis.


Wednesday, May 22, 2019
WATER IN ICE:  MODELING, FIELD, AND LAB WORK

Takahagi W. *   Seo K.   Shibuya T.   Takano Y.   Fujishima K.   Saitoh M.   Shimamura S.   Matsui Y.   Tomita M.   Takai K. Mineral Surface-Assisted Abiotic Peptide Synthesis Under Enceladus Alkaline Hydrothermal Condition [#6034]
This is the first experimental evidence showing that biologically relevant short polymer can potentially form in Enceladus ocean and has impact on future astrobiology-related space missions.


Wednesday, May 22, 2019
WATER IN ICE:  MISSION PROPOSALS AND FIELD WORK

Stone W. C. *   Siegel V.   Richmond K. Europa Station:  Developing a Concept for Higher-Fidelity Analog-Environment Testing of Candidate Ocean World Technologies [#6039]
We present a preliminary concept for Europa Station, an Antarctic field camp facility and technology development effort to advance development and testing of fully-integrated robotic systems for subsurface Ocean Worlds missions.
German C. R. *   Boetius A. Robotics-Based Scientific Investigations at an Ice-Oean Interface:  First Results from Nereid Under Ice in the Arctic [#6002]
This paper will present new physical and biogeochemical results from the ice-ocean interface in the Arctic collected using the Nereid Under Ice vehicle which can access pristine ocean-ice interfaces that have not been perturbed by ice-breakers.
Nguyen T. *   Nemetallah G.   Aslam S. Microfluidic Imaging for Europa Lander Using Digital Holographic Microscopy Based Convolutional Neural Network [#6009]
We developed an optical microscopy for Europa Lancer mission for searching life. Off-axis Digital Holographic Microscope using visible laser and either numerical reconstruction or deep learning-based automatic-defocusing phase retrieval method.
Lorenz R. D. * Submarine Hunting and Ocean Worlds:  The Importance of Asking the Right Questions [#6010]
Operations Research and Bayesian quantification of certainty employed in WWII may help guide Ocean Worlds Exploration by exposing the expectation value of science return from candidate measurements and mission architectures.


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