There were some much more rapid temperature changes found in ice core records but these seem to be shifts in climate that were likely not associated with very large global temperature changes, although some dramatic local ones.] (realclimate.org)
«The tags sense light and air to which they are suddenly exposed, and record rapid temperature change,» said Horning, who is in OSU's Department of Fisheries and Wildlife. (sciencedaily.com)
The preconditions which gave rise to rapid temperature changes during the last ice age do not exist today, but sudden climate changes can not be excluded in future.» (sciencedaily.com)