Barclay Kamb’s 1990 talk on Antarctic ice sheets and disintegration potentials, as was understood at the time.
Video https://archive.org/details/capsca_000155
Is the Antarctic Ice Sheet Disintegrating? PDF https://calteches.library.caltech.edu/3644/1/Kamb.pdf
Parts of the talk are featured in this video:
Is Antarctic Ice Sheet Disintegrating? (1990)