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Poster Session: Planetary Atmospheres and Magnetospheres

Thursday, March 16, 2023, 6:30 PM
Town Center Exhibit Hall

Fitting A.* Chevrier V. F. Soto A.
Analysis of Martian Pressure Data to Investigate Potential CO2 Adsorption [#2607]
Martian atmosphere / Many complex processes / Is there adsorption?
Bickel V. T.* Conway S. J. Thomas N. Read M. Valantinas A. et al.
Exploring CaSSIS with Machine Learning — The Search for Dust Devils on Mars [#1479]
We track the global, seasonal, and diurnal occurrence of dust devils on Mars using a neural network and CaSSIS color images.
Kong J.* Lundquist J. K. Hayne P. O.
Reconstruction of Prevailing Surface Wind Regimes on Mars Using ECMWF Reanalysis Data, Remote Sensing Images of Aeolian Landforms, and a Convolutional Neural Network [#2814]
We are applying deep learning with the remote sensing data of aeolian features and wind data on Earth as a reference for reconstructing the winds on Mars.
Gary-Bicas C. E.* Rogers A. D. Piqueux S.
Accounting for Cloud Radiative Effects in Thermal Modeling of Martian Tropical and Equatorial Surfaces and Subsurfaces [#1212]
We used an empirical approach to estimate cloud radiative flux as a function of latitude across multiple Ls and and latitudes within five narrow longitude bands.
Gillespie H. E.* Martinez G. M. Sebastian E. Smith M. D. Hueso R. et al.
Combining Mars 2020/MEDA, MRO/MCS, and EMARS Datasets to Produce Vertical Profiles of Temperature at Jezero Crater, Mars [#2255]
We aim to construct the vertical profile of temperature at Jezero Crater from the surface up to about 20 km using a wide range of available data.
Parks M. C.* Heavens N. G. Busch M. W.
Searching for Electric Charging of Dust Particles During the 2018 Mars Dust Storm with the Very Large Array [#2365]
Using the VLA to look for L-band, non-thermal emission from Mars could allow for novel detection methods of electric discharge during dusty weather events.
Nelson J.* Riousset J. A.
Influence of Primary and Secondary Electron Ionization Within Townsend Discharges [#2896]
We propose an analysis of Townsend’s theory on self-sustained discharges and its gas coefficients for parallel plate electrodes and non uniform geometries.
Mayyasi M.* Elliott H. Lazaro A. Asmar S. Ely T.
Ionospheric Constraints at Mars Derived from Surface and Orbiting Assets [#1160]
This presentation describes novel techniques for constraining the electron content of the ionosphere of Mars using Mars surface-based and orbiting spacecraft.
Majeed T.* Bougher S. W. Withers P. Haider S. A. Morschhauser A. A.
Ion Drifts in the Upper Ionosphere of Mars [#1342]
The martian ionospheric drifts are inferred from the model analysis of the electron density profiles observed with the radio science experiment onboard MAVEN.
Haider S. A.* Majeed T.
Detection of Interplanetary Dust and Its Effect on Production and Density of Atmospheric and Metallic Ion Layers: Comparison with MAVEN/ROSE Observations [#1589]
We calculate the impact of interplanetary dust particles on the ionospheric structure of Mars and compare it with the MAVEN/ROSE observations.
Lillis R. J.* Deighan J. L. Jain S. Chirakkil K. Chaffin M. et al.
Sinuous Aurora on Mars: Exploring a New Phenomenon with Data and Models [#1553]
Sinuous Aurora are a new and enigmatic phenomenon on Mars. We explore their morphology, causes, and likely trigger mechanisms.
Vakkada Ramachandran A.* Chevrier V. F.
Experimental Study to Investigate Near-Surface Water Cycle on Mars [#2796]
Experiments conducted to study diurnal thermal cycles and their effect on water vapor diffusion and interactions with salts in a shallow regolith column on Mars.
Calogero M. A.* Nimmo F. Hin R. C.
Potassium Isotope Anomalies from Evaporative Mass Loss in Planetesimals [#1350]
Using coupled models of evaporative loss of potassium isotopes and N-body accretion, we investigate how fractionation and loss proceed as planetesimals grow.
Harris C. D. K.* Jia X. Slavin J. A.
Multi-Fluid MHD Simulations of Europa's Plasma Interaction: Effects of Variation in Europa's Atmosphere on Thermal Plasma Precipitation and Magnetic Fields [#1260]
Multi-fluid MHD simulations of Europa’s plasma interaction were used to determine the effects of Europa’s atmosphere on local plasma and magnetic fields.
Cohen I. J.* Turner D. L. Kollmann K. Clark G. B. Hill M. E. et al.
A Localized and Surprising Source of Energetic Particles in the Uranian Magnetosphere near Ariel [#2187]
Analysis of Voyager 2 observations reveal a localized source of energetic particles in the region between Miranda and Ariel, suggesting a possible ocean world.
Borlina C. S.* Stanley S. Hofstadter M.
The Role of Planetary Magnetic Fields During the Formation of Ice Giants [#2482]
Planetary magnetic fields generated in the proto-core of gas giants can play an important role in regulating the amount of gas that is accreted to these planets.
Allen R. C.* Paranicas C. P. Vines S. K. Mitchell D. G.
Phase Space Density Profiles Within the Magnetosphere of Saturn: Investigation into Species-Dependent Processes [#2068]
We present phase space density profiles for the major ions detected by the Cassini over nearly 13 years of operation within Saturn’s magnetosphere.