Abstract:<p>Glacial isostatic adjustment (GIA) represents an important negative feedback on ice-sheet dynamics. The magnitude and time scale of GIA primarily depend on the upper mantle viscosity and the lithosphere thickness. These parameters have been found to vary strongly over the Antarctic continent, showing ranges of 10<sup>18</sup> - 10<sup>23</sup> Pa s for the viscosity and 30 - 250 km for the lithospheric thickness. Recent studies show that … Show more
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