A 2023 study modeled how ice-sheet changes could have contributed to local relative sea-level rise, potentially producing substantial coastal inundation in parts of southwestern Greenland. citeturn0search7

Climate was therefore not a single switch.

It was a bundle of changing conditions: moisture, pasture productivity, sea ice, storms, navigation, coastal flooding, and the length and reliability of growing seasons.

And this is important because people adapt.

The Norse were not passive victims of weather.

Archaeology shows that their economy changed over time.

Diets shifted.

Hunting became more important.