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Sustained wet–dry cycling on early Mars
Observations by the Curiosity rover at Gale Crater on Mars indicate that high-frequency wet–dry cycling occurred on the early Martian surface, indicating a possible seasonal climate conducive to prebiotic evolution on early Mars.
- W. Rapin
- , G. Dromart
- & N. L. Lanza
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Article
| Open AccessLayered subsurface in Utopia Basin of Mars revealed by Zhurong rover radar
A ground-penetrating radar survey of Martian subsurface structure in a southern marginal area of Utopia Planitia constructed a detailed subsurface image profile showing a roughly 70-m-thick, multi-layered structure below regolith.
- Chao Li
- , Yikang Zheng
- & Fuyuan Wu
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Letter |
Transience of the North American High Plains landscape and its impact on surface water
The High Plains region of North America is in a transient state, with a younger, efficient network of river channels progressively cannibalizing an older, less efficient region, aiding water retention for wetlands and groundwater recharge.
- Sean D. Willett
- , Scott W. McCoy
- & Helen W. Beeson
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Letter |
Abrasion-set limits on Himalayan gravel flux
The amount of coarse gravel transported out of the Himalayan mountains by rivers is insensitive to catchment size, because the majority of gravel sourced more than 100 kilometres upstream of the mountain front is abraded into sand before it reaches the Ganga Plain.
- Elizabeth H. Dingle
- , Mikaël Attal
- & Hugh D. Sinclair