Kiruna '99

The measurement campaign in 1999 at Kiruna (67.84N, 20.41E, 425 m MSL), Sweden, lasted from 22 February to 31 March and spectra of the stratospheric trace gases ClO, O3 and HNO3 in the frequency range from 268 GHz to 279 GHz were measured. The inversion was performed with modified Tikhonov-Phillips-Regularization and Optimal Estimation Method. In the following a selection of spectra and inverted profiles is presented.


The new periscope of the radiometer system
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