Pointer years in modern Picea glauca from the Giddings’ collection (AD 1600-1941)

At the beginning of the second millennium AD, northwestern Alaska is the scene of significant climate and cultural changes. It is during this period of climatic instability of the transition from Medieval Climate Anomaly to Little Ice Age (AD 1000-1350), that appears the Thule culture, direct ancestor of the today’s Inuit people (Mason 2017).