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April 1, 2026Journal of Geophysical Research Space Physics

A Multi‐Fluid Model of Plasma Transport in the Equatorial Ionosphere of Saturn

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Authors

ARA. R. RenzagliaTCT. E. CravensOHO. Hamil

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Overview

Model explores ionospheric flow in Saturn, highlighting impacts of ring shadowing on plasma speeds.

Key Points

  • To investigate plasma transport in Saturn's equatorial ionosphere using a multi-fluid model.
  • Analyzed data from the Cassini mission's Ion and Neutral Mass Spectrometer (INMS).
  • Applied a multi-fluid transport model for different field line cases.
  • Studied diurnal variations in ionospheric conditions by adjusting solar photoionization rates.
  • Proton velocities reached 8 km/s with ring shadowing, compared to 0.1 km/s without it.
  • Model predictions aligned closely with INMS data within a factor of 2–3.
  • Flow direction exhibited asymmetry influenced by ring shadowing.

Cite This Study

Renzaglia et al. (2026) studied this question.

synapsesocial.com/papers/69ccb62016edfba7beb87d53https://doi.org/10.1029/2025ja034104
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