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Shipborne FT-IR Measurements of Atmospheric Trace Gases on a South (33S) to North (53N) Atlantic Traverse

Volume 49, Number 10 (Oct. 1995) Page 1525-1527

Notholt, J.; Beninga, I.; Schrems, O.


For the first time solar and lunar IR absorption measurements have been performed by means of an FT-IR spectrometer on a lengthy ship cruise. These measurements were performed in May and June 1994 on board the German research vessel Polarstern between Cape Town (33°S) and Bremerhaven (53°N). Spectral analysis of the obtained spectra allowed retrieval of the total zenith columns of a number of trace gases in the atmosphere and study of the latitudinal dependence of the column densities of these trace gases.