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|Title:||Dust, Sand, and Winds Within an Active Martian Storm in Jezero Crater|
|Authors:||Lemmon, M. T.|
Smith, M. D.
Viúdez Moreiras, Daniel
De la Torre Juarez, M.
Vicente Retortillo, Á.
Sánchez Lavega, A.
Tamppari, L. K.
Bell, J. F.
Newman, C. E.
Rodríguez Manfredi, J. A.
Maki, J. N.
|Keywords:||Martian dust storms;MARS Perseverance|
|Publisher:||AGU Advancing Earth and Space Science|
|Citation:||Geophysical Research Letters 49(17): e2022GL100126(2022)|
|Abstract:||Rovers and landers on Mars have experienced local, regional, and planetary-scale dust storms. However, in situ documentation of active lifting within storms has remained elusive. Over 5–11 January 2022 (LS 153°–156°), a dust storm passed over the Perseverance rover site. Peak visible optical depth was ∼2, and visibility across the crater was briefly reduced. Pressure amplitudes and temperatures responded to the storm. Winds up to 20 m s−1 rotated around the site before the wind sensor was damaged. The rover imaged 21 dust-lifting events—gusts and dust devils—in one 25-min period, and at least three events mobilized sediment near the rover. Rover tracks and drill cuttings were extensively modified, and debris was moved onto the rover deck. Migration of small ripples was seen, but there was no large-scale change in undisturbed areas. This work presents an overview of observations and initial results from the study of the storm.|
|Appears in Collections:||(Espacio) Artículos|
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