Not even the mighty Vikings could stand against climate change.
The Vikings are remembered as fierce fighters, but even these mighty warriors were no match for climate change. Scientists recently found that ice sheet growth and sea level rise led to massive coastal flooding that inundated Norse farms and ultimately drove the Vikings out of Greenland in the 15th century.
Around the 15th century, signs of Norse habitation in the region vanished from the archaeological record. Researchers previously suggested that factors such as climate change and economic shifts likely led the Vikings to abandon Greenland. Now, new findings show that rising seas played a key role, by submerging miles of coastline, according a new study published April 17 in the journal Proceedings of the National Academy of Sciences.
The scientists tested their hypothesis by modeling estimated ice growth in southwestern Greenland over the 400-year period of Norse occupation and adding those calculations to a model showing sea level rise during that time. Then, they analyzed maps of known Viking sites to see how their findings lined up with archaeological evidence marking the end of a Viking presence in Greenland.
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