Geoscience Reference
In-Depth Information
Fig. 10.9
Tree-ring-reconstructed
summer PDSI mapped for the
3-year period (1785-1787)
coinciding with El Año del
Hambre (1786-1787) in
Mexico, one of the most
famous famines in Mexican
history, resulting from a
drought- and frost-induced
crop failure
Fig. 10.10
Tree-ring-reconstructed
summer PDSI mapped for the
severe seventeenth-century
drought, which lasted 6 years
(1666-1671) and contributed
to famine, disease, death, and
village abandonment among
the Pueblo societies of New
Mexico
