The case of Quelccaya, in the Andes, is especially interesting, because it provides direct evidence of
an unusual recent warming trend.
Not exact matches
Another important paper of
recent is by Easterling and Wehner that demonstrates that cooling on timescales of years to a decade or two are not that
unusual even when the system is undergoing a long - term
warming trend induced by radiative forcing.
If the earlier
warm period was comparable to the
recent warm period, then claims that
recent global temperature
trends are unprecedented or
unusual will need to be re-evaluated.