Mystery behind Moana: After 1,700 years, why did Polynesians suddenly sail east?

6 hours ago

Polynesian voyagers experienced a 'long pause' of about 1,700 years after initially settling Samoa and Tonga, followed by a sudden eastward migration between 900-1100 AD.
Recent climate research indicates a severe drought from 850-1200 AD in the southwest tropical Pacific, likely linked to shifts in the South Pacific Convergence Zone.
The migration may have been driven by a combination of climate stress, population growth, and improved canoe technology, with genetic data suggesting Samoan population increase around 1000 AD.
Moana's story draws inspiration from Polynesian seafaring heritage, while science continues to uncover the environmental factors behind their voyages.

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