Mars 2020 Perseverance Rover Studies Of The Martian Atmosphere Over Jezero From Pressure Measurements

By Keith Cowing
Status Report
January 25, 2024
Filed under , , , ,
Mars 2020 Perseverance Rover Studies Of The Martian Atmosphere Over Jezero From Pressure Measurements
A synthesis of the daily surface pressure measurements coverage (vertical axis LMST, Local Mean Solar Time) as a function of the sol number and solar longitude of Perseverance rover on Mars. The pressure is given in Pascal (Pa). Data are available in Rodríguez-Manfredi et al. (2021b). — astro-ph.EP

The pressure sensors on Mars rover Perseverance measure the pressure field in the Jezero crater on regular hourly basis starting in sol 15 after landing.

The present study extends up to sol 460 encompassing the range of solar longitudes from Ls 13° – 241° (Martian Year (MY) 36). The data show the changing daily pressure cycle, the sol-to-sol seasonal evolution of the mean pressure field driven by the CO2 sublimation and deposition cycle at the poles, the characterization of up to six components of the atmospheric tides and their relationship to dust content in the atmosphere.

They also show the presence of wave disturbances with periods 2-5 sols, exploring their baroclinic nature, short period oscillations (mainly at night-time) in the range 8-24 minutes that we interpret as internal gravity waves, transient pressure drops with duration 1-150 s produced by vortices, and rapid turbulent fluctuations. We also analyze the effects on pressure measurements produced by a regional dust storm over Jezero at Ls 155°.

A. Sánchez-Lavega, T. del Rio-Gaztelurrutia, R. Hueso, M. de la Torre Juárez, G. M. Martínez, A.-M. Harri, M. Genzer, M. Hieta, J. Polkko, J. A. Rodríguez-Manfredi, M. T. Lemmon, J. Pla-García, D. Toledo, A. Vicente-Retortillo, Daniel Viúdez-Moreiras, A. Munguira, L. K. Tamppari, C. Newman, J. Gómez-Elvira, S. Guzewich, T. Bertrand, V. Apéstigue, I. Arruego, M. Wolff, D. Banfield, I. Jaakonaho, T. Mäkinen

Subjects: Earth and Planetary Astrophysics (astro-ph.EP)
Cite as: arXiv:2401.12931 [astro-ph.EP] (or arXiv:2401.12931v1 [astro-ph.EP] for this version)
Journal reference: Sánchez-Lavega, A., del Rio-Gaztelurrutia, T., Hueso, R. et al. (2023). Mars 2020 Perseverance rover studies of the Martian atmosphere over Jezero from pressure measurements. Journal of Geophysical Research: Planets, 128, e2022JE007480
Related DOI:
Focus to learn more
Submission history
From: Teresa del Rio Gaztelurrutia Dr
[v1] Tue, 23 Jan 2024 17:33:59 UTC (6,550 KB)

Explorers Club Fellow, ex-NASA Space Station Payload manager/space biologist, Away Teams, Journalist, Lapsed climber, Synaesthete, Na’Vi-Jedi-Freman-Buddhist-mix, ASL, Devon Island and Everest Base Camp veteran, (he/him) 🖖🏻