Kiruna 2000/2001

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The sky over Kiruna with PSCs on 15 January 2001.

In winter 2000/2001 the radiometer MIRA2 was operated at Kiruna (67.84°N, 20.41°E, 425 m MSL), Sweden. This latest measurement campaign started in December 2000 and lasted until end of March 2001. The stratospheric trace gases ClO, O3, HNO3 and N2O have been measured regularly, whenever favourable observation conditions were met.


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Ozone measured at Kiruna from December 12, 2000, to March 20, 2001.
One profile per diem was used for this time series.


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ClO measured at Kiruna from January 10 to March 20, 2001.
Only noon-proiles are shown so the diurnal variation cannot be seen.


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HNO3 measured at Kiruna from January 11 to March 19, 2001.


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N2O measured at Kiruna from January 11 to March 18, 2001.

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