Abstract
Solar absorption measurements of OH in the UV have been performed using a FTS (Fourier Transform Spectrometer). The experiments have been carried out in the high Arctic at Ny-Ålesund (79°N, 12°E) during summer 1996. The analysis was done in two ways; (i) by utelizing the Doppler shift of two spectra, recorded on the east and west side of the solar disk, or (ii) by studying single solar absorption spectra recorded in the middle of the solar disc. The results of both analysis methods agree and give total columns of about 6×1013 molec. cm−2 for SZA (Solar Zenith Angles) of 60°.
© 1997 Optical Society of America
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