Theory says that meltwater produced in shear margins of Antarctic ice streams may be of similar magnitude to other melt sources. From @meghana_ir of @GeorgiaTech, presented by @MITglaciology
Meltwater can infiltrate and refreeze even where surface ice slabs exist at the surface. From Riley Culberg of @RadioGlaciology @Stanford at #AGU2021@AGU_Cryo
ROV @IcefinRobot sees strong stratification, high heat content, grounding line bedforms, and huge crevasses at the Thwaites grounding zone. From Peter Washam and Britney Schmidt of @CornellEAS at #WAISworkshop