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Interaction of Saturn’s Hexagon with convective storms

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10.1029/2021GL092461
 
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hdl:2117/345836

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Sánchez Lavega, Agustín
García Melendo, Enrique JoséMés informacióMés informacióMés informació
del Rio Gaztelurrutia, Teresa
Hueso, Ricardo
Simon, Amy
Wong, Michael
Ahrens Velásquez, Kevin
Soria Guerrero, ManelMés informacióMés informacióMés informació
Barry, Trevor
Go, Christopher
Foster, Clyde
Document typeArticle
Defense date2021-04-26
Rights accessOpen Access
All rights reserved. This work is protected by the corresponding intellectual and industrial property rights. Without prejudice to any existing legal exemptions, reproduction, distribution, public communication or transformation of this work are prohibited without permission of the copyright holder
Abstract
In March 2020 a convective storm erupted at planetographic latitude 76°N in the southern flank of Saturn’s long-lived hexagonal wave. The storm reached a zonal size of 4,500 km and developed a tail extending zonally 33,000 km. Two new short-lived storms erupted in May in the hexagon edge. These storms formed after the convective storms that took place in 2018 in nearby latitudes. There were no noticeable changes in the zonal profile of Saturn's polar winds in 2018-2020. Measurements of the longitude position of the vertices of the hexagon throughout this period yield a value for its period of rotation equal to that of System III of radio-rotation measured at the time of Voyagers. We report changes in the hexagon clouds related to the activity of the storms. Our study reinforces the idea that Saturn’s hexagon is a well rooted structure with a possible direct relationship with the bulk rotation of the planet.
CitationSánchez, A. [et al.]. Interaction of Saturn's Hexagon with convective storms. "Geophysical research letters", 26 Abril 2021, vol. 48, núm. 8, p. e2021GL092461/1-e2021GL092461/16. 
URIhttp://hdl.handle.net/2117/345836
DOI10.1029/2021GL092461
ISSN0094-8276
Publisher versionhttps://agupubs.onlinelibrary.wiley.com/doi/abs/10.1029/2021GL092461
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  • Departament de Física - Articles de revista [1.867]
  • TUAREG - Turbulence and Aerodynamics in Mechanical and Aerospace Engineering Research Group - Articles de revista [65]
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