ESS11
Prof.
Jin-Yi Yu
The Polar Vortex
qThe wintertime circulation over the South Pole is characterized by a gigantic whirlpool of cold and dense air, called the polar vortex.
qThe cold
and dense cold air in the middle of the vortex is subsiding.
qThe sinking air carries cloud particles along with it.
qRemove odd
nitrogen from the stratosphere.
qVery little ozone and odd nitrogen can be brought into the
south pole.
