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optical materials, magnetism, superconductors, visible light photocatalysis, etc.… In the context of global warming, photocatalytic splitting of water is a promising and simple way to produce H2 (a
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the Martian southern hemispheric highlands, and stand as a reflect of an ancient past characterized by active hydrology and surface liquid water. After a peak of valley network formation around ~3.8 Byr ago
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to the oceans. In the ECZ, soils are metal sinks, especially wetlands. Their hydrological cycle (high water/low water) favors the formation of chemical gradients and biogeochemical processes controlling the metal
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are known to produce bedforms such as ripples and dunes made of loose sediment grains (e.g. sand), or rock or ice (without grain transport). On the one hand, their geometric and kinematic characteristics (e.g