| http://www.w3.org/ns/prov#value | - If you have no melting on top, then a bit of warming may do nothing; if you have the ice almost too warm, and warming causes a bit of thinning that lowers the surface and warms more, there is a threshold beyond which the ice sheet cannot survive, so in general the effect of a 1 C warming is expected to be larger if the temperature before the warming is higher, so you can see why there is concern (
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