By Patrick Cullis, CIRES and NOAA scientist NOAA’s Global Monitoring Division carries out balloon launches to measure the ozone layer and annual development of the Antarctic Ozone Hole from the Amundsen-Scott South Pole Station.  This year’s lowest total ozone column measurement of 136 Dobson Units on September 25th was relatively high when compared to the… Read More

By Patrick Cullis, CIRES and NOAA scientist After six straight months of darkness, the Sun has finally returned to the sky above the Amundsen-Scott South Pole Station.  NOAA scientists working at the station and collecting air samples at the Atmospheric Research Observatory (ARO) experience only one sunrise, and one sunset per year due to the… Read More