Articles | Volume 9, issue 5
https://doi.org/10.5194/amt-9-2147-2016
https://doi.org/10.5194/amt-9-2147-2016
Research article
 | 
13 May 2016
Research article |  | 13 May 2016

Quantification and parametrization of non-linearity effects by higher-order sensitivity terms in scattered light differential optical absorption spectroscopy

Jānis Puķīte and Thomas Wagner

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Cited articles

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Beirle, S., Sihler, H., and Wagner, T.: Linearisation of the effects of spectral shift and stretch in DOAS analysis, Atmos. Meas. Tech., 6, 661–675, https://doi.org/10.5194/amt-6-661-2013, 2013.
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Short summary
We address specialities of differential optical absorption spectroscopy of scattered light in the presence of strong absorbers (like ozone), where the optical depth becomes a non-linear function of the absorber concentration. We quantify the non-linearity using higher-order terms by expanding the radiative transfer equation in a Taylor series.