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国台报告直播:Monitoring of the ozone layer above Switzerland: Variability from diurnal to decadal scales
2018-09-03 15:29:18
标题:Monitoring of the ozone layer above Switzerland: Variability from diurnal to decadal scales
嘉宾:Prof. Klemens Hocke Institute of Applied Physics of University of Bern (Switzerland)
时间:2018.09.05 14:30-16:30
摘要:We measure vertical profiles of stratospheric ozone by a ground-based microwave radiometer at Bern, Switzerland. The presentation shows the variability of stratospheric ozone on time scales from a day to decades. The reasons of the ozone variability at mid-latitudes are the diurnal and seasonal change, deformations and movements of the polar vortex, and long-term atmospheric composition changes (e.g., forced by the Montreal protocol in 1989 which banned the emission of ozone depleting substances).
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