Articles | Volume 29, issue 1
Nonlin. Processes Geophys., 29, 53–75, 2022
https://doi.org/10.5194/npg-29-53-2022
Nonlin. Processes Geophys., 29, 53–75, 2022
https://doi.org/10.5194/npg-29-53-2022
Research article
17 Feb 2022
Research article | 17 Feb 2022

An approach for constraining mantle viscosities through assimilation of palaeo sea level data into a glacial isostatic adjustment model

Reyko Schachtschneider et al.

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Short summary
Glacial isostatic adjustment is the delayed reaction of the Earth's lithosphere and mantle to changing mass loads of ice sheets or water. The deformation behaviour of the Earth's surface depends on the ability of the Earth's mantle to flow, i.e. its viscosity. It can be estimated from sea level observations, and in our study, we estimate mantle viscosity using sea level observations from the past. This knowledge is essential for understanding current sea level changes due to melting ice.