Invasion Of Arctic Ocean By Atlantic Plankton Species Reveals Seasonally Ice-Free Ocean During Last Interglacial

A subpolar species associated with Atlantic water expanded far into the Arctic Ocean during the Last Interglacial, analysis of microfossil content of sediment cores reveals. This implies that summers in the Arctic were ice free during this period. The findings are published in Nature Geoscience.

Arctic sea ice, an important...