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Atmospheric Measurement Techniques An interactive open-access journal of the European Geosciences Union
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Volume 10, issue 12 | Copyright
Atmos. Meas. Tech., 10, 4819-4831, 2017
https://doi.org/10.5194/amt-10-4819-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 3.0 License.

Research article 12 Dec 2017

Research article | 12 Dec 2017

The tilt effect in DOAS observations

Johannes Lampel et al.
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AR by Johannes Lampel on behalf of the Authors (11 Oct 2017)  Author's response    Manuscript
ED: Publish as is (31 Oct 2017) by Michel Van Roozendael
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Short summary
Experience of differential atmospheric absorption spectroscopy (DOAS) shows that a spectral shift between measurement and reference spectrum is frequently required in order to achieve optimal fit results. The shift is often attributed to temporal instabilities of the instrument but implicitly solved the problem of the tilt effect discussed in this paper. The tilt effect results from the finite resolution of the measurements and amounts to 2 pm for the example data set.
Experience of differential atmospheric absorption spectroscopy (DOAS) shows that a spectral...
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