Processes
Post-Glacial Rebound
Also Known As Isostatic Rebound
Citation Formats
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The rise of land masses after the removal of the enormous weight of ice sheets from the last glacial period, the recovery phase of glacial isostatic adjustment. Its direct raising effects are readily apparent in parts of Northern Eurasia, Northern America, Patagonia and Antarctica, and through ocean siphoning and continental levering its effects on sea level are felt globally, far from the current and former ice sheets.
Facts
TimescaleOngoing since the removal of the last glacial period's ice sheets 1 Driving ForceThe slow viscous flow of mantle material back beneath a landmass after the retreat of an ice sheet whose weight had depressed the crust. 1 Resulting FeatureRaises the land surface over centuries to millennia; GPS monitoring in northern Europe measures a peak uplift rate of about 11 millimeters a year in the Gulf of Bothnia even today. 1 SignificancePost-glacial rebound is measured with precise geodesy to constrain the viscosity of the mantle and must be corrected for when interpreting local sea-level change. 1 Cross-Tradition Connections
Associated With
Post-glacial rebound and isostatic depression are phases of glacial isostasy.
Caused By
The rebound follows the removal of the ice sheets glaciation loaded onto the crust.
In Discipline
Sources
1. Post-Glacial Rebound (Wikipedia)
Wikimedia FoundationLead sectionQuote, Lead section
Post-glacial rebound (also called isostatic rebound or crustal rebound) is the rise of land masses after the removal of the huge weight of ice sheets during the last glacial period, which had caused isostatic depression.
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