The ISCAT 2000 field observations went from mid November to end of
December 2000 at the South Pole. Most of the observations were made in
the Atmospheric Research Observatory (ARO) building. ...
In addition to ground based measurements of nitric acid (HNO3), altitude profiles of nitric acid was conducted during the autumn, winter and spring using a series of balloon packs flown into the stratosphere. ...
A Bomem infrared Fourier transform spectrometer (FTIR), a high resolution infrared instrument, was used to measure stratospheric nitric (HNO3) and hydrochloric acid (HCl) (measuring spectra at 10 ...