New evidence for ice-free summers with intermittent winter sea ice in the Arctic Ocean during the Late Cretaceous — a period of greenhouse conditions — gives a glimpse of how the Arctic is likely to respond to future global warming.
New evidence for ice-free summers with intermittent winter sea ice in the Arctic Ocean during the Late Cretaceous — a period of greenhouse conditions — gives a glimpse of how the Arctic is likely to respond to future global warming.