Articles | Volume 14, issue 8
Atmos. Meas. Tech., 14, 5757–5769, 2021
https://doi.org/10.5194/amt-14-5757-2021
Atmos. Meas. Tech., 14, 5757–5769, 2021
https://doi.org/10.5194/amt-14-5757-2021

Research article 23 Aug 2021

Research article | 23 Aug 2021

A fully automated Dobson sun spectrophotometer for total column ozone and Umkehr measurements

René Stübi et al.

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Latest update: 17 Jan 2022
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Short summary
In the first half of the 20th century, Prof. Dobson developed an instrument to measure the ozone column. Around 50 of these Dobson instruments, manufactured in the second half of the 20th century, are still used today to monitor the state of the ozone layer. Started in 1926, the Arosa series was, until recently, based on manually operated Dobsons. To ensure its future operation, a fully automated version of the Dobson has been developed. This well-working automated system is described here.