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Seasonal and interannual variations of H2O2 on Mars

Abstract : Following a long-term monitoring campaign on the abundance and distribution of hydrogen peroxide on Mars, we present a new observation near summer solstice which corresponds to a maximum of the seasonal abundance of H2O2. Our result is in full agreement with GCM predictions (Lefèvre et al. 2008; [1]). We also analyse previous measurements of H2O2 in the vicinity of aphelion which seem to indicate the existence of interannual variations, and we discuss their possible origin.
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Contributor : Catherine Cardon Connect in order to contact the contributor
Submitted on : Wednesday, December 20, 2017 - 6:20:53 PM
Last modification on : Saturday, October 15, 2022 - 3:54:14 AM


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Thérèse Encrenaz, Thomas K. Greathouse, Franck Lefèvre, Franck Montmessin, Thierry Fouchet, et al.. Seasonal and interannual variations of H2O2 on Mars. European Planetary Science Congress 2017, Sep 2017, Riga, Latvia. pp.EPSC2017-175. ⟨insu-01669346⟩



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