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Constraints on corona formation from an analysis of topographic rims and fracture annuli
Smrekar, Suzanne E.; Sabbeth, Leah; Carrington, Morgan A.
Coronae diameters defined by topographic rims, not fractures, are slightly larger. Most coronae have fracture annuli that overlap their topographic rims. Some corona models predict fractures interior to the topographic rims. There is little difference in the dimensions of rims with and without fractures. Fracture formation may be influenced by str…
The hydrology of the Jezero crater paleolake: Implications for the climate and limnology of the lake system from hydrological modeling
Horvath, David G.; Andrews-Hanna, Jeffrey C.
The lake stages in Jezero are consistent with semiarid climates The Jezero lake was a throughflow lake driven by significant surface runoff Hydrological conditions do not favor large-scale evaporite deposition Similar climates at Jezero and Gale produce contrasting lacustrine environments
Periodic Bedrock Ridges at Oxia Planum and Chryse Planitia, Mars: Evidence for widespread aeolian erosion of an ancient surface by regional paleowinds
Fawdon, Peter; Grindrod, Peter M.; Balme, Matthew R. +4 more
Periodic Bedrock Ridges (PBRs) are repeating, symmetrical, wind-transverse, bedrock-abraded linear ridges that occur on Mars as parallel sets. Here, we extend our previous survey of PBRs at Oxia Planum - the landing site of ESA's ExoMars Rosalind Franklin rover - to include three additional sites along the margins of the circum-Chryse basin to und…