Eskers Associated with Buried Glaciers in Mars’ Mid Latitudes: Recent Advances and Future Directions

BUTCHER, Frances, ARNOLD, Neil, BALME, Matthew, CONWAY, Susan, CLARK, Christopher, GALLAGHER, Colman, HAGERMANN, Axel, LEWIS, Stephen, RUTLEDGE, Alicia, STORRAR, Robert and WOODLEY, Savannah (2023). Eskers Associated with Buried Glaciers in Mars’ Mid Latitudes: Recent Advances and Future Directions. Annals of Glaciology.

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Until recently, the influence of basal liquid water on the evolution of buried glaciers in Mars’ mid latitudes was assumed to be negligible because the latter stages of Mars’ Amazonian period (3 Ga to present) have long been thought to have been similarly cold and dry to today. Recent identifications of several landforms interpreted as eskers associated with these young (100s Ma) glaciers calls this assumption into doubt. They indicate basal melting (at least locally and transiently) of their parent glaciers. Although rare, they demonstrate a more complex mid-to-late Amazonian environment than was previously understood. Here, we discuss several open questions posed by the existence of glacier-linked eskers on Mars, including on their global-scale abundance and distribution, the drivers and dynamics of melting and drainage, and the fate of meltwater upon reaching the ice margin. Such questions provide rich opportunities for collaboration between the Mars and Earth cryosphere research communities.

Item Type: Article
Uncontrolled Keywords: 0401 Atmospheric Sciences; 0404 Geophysics; 0406 Physical Geography and Environmental Geoscience; Meteorology & Atmospheric Sciences; 3702 Climate change science; 3708 Oceanography; 3709 Physical geography and environmental geoscience
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SWORD Depositor: Symplectic Elements
Depositing User: Symplectic Elements
Date Deposited: 02 Feb 2023 16:58
Last Modified: 11 Oct 2023 16:31

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