extratropics

Examples

• The roughly three-decade greening trend itself is apparent, the study notes, in satellite images of “leaf area index” — defined as “the amount of leaf area per ground area,” as Robert Buitenwerf of Aaarhus University in Denmark explains in a commentary accompanying the study — across most of the northern hemisphere outside of the tropics, a region sometimes defined as the “extratropics.”

  Thanks to climate change, the Arctic is turning green

• "There have been relatively few large explosive eruptions recorded in the extratropics compared to the tropics in recent centuries, but they definitely do happen," says Dr. Toohey.

  Extratropical volcanoes influence climate more than assumed