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| Titel: |
Technical Note: Recipe for monitoring of total ozone with a precision of around 1 DU applying mid-infrared solar absorption spectra |
| Auteur: |
M. Schneider F. Hase |
| Verschenen in: |
Atmospheric chemistry and physics |
| Paginering: | Jaargang 8 (2008) nr. 1 pagina's 63-71 |
| Jaar: |
2008 |
| Inhoud: |
Mid-infrared solar absorption spectra recorded by a state-of-the-art ground-based FTIR system have the potential to provide precise total O<sub>3</sub> amounts. The currently best-performing retrieval approaches use a combination of small and broad spectral O<sub>3</sub> windows between 780 and 1015 cm<sup>−1</sup>. We show that for these approaches the uncertainties of the temperature profile are by far the major error sources. We demonstrate that a joint optimal estimation of temperature and O<sub>3</sub> profiles widely eliminates this error. The improvements are documented by an extensive theoretical error estimation. Our results suggest that mid-infrared FTIR measurements can provide total O<sub>3</sub> amounts with a precision of around 1 DU, placing this method among the most precise ground-based O<sub>3</sub> monitoring techniques. We recapitulate the requirements on the instrumental hardware and on the retrieval that are needed to achieve this high precision. |
| Uitgever: |
Copernicus GmbH (provided by DOAJ) |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 6 van 10 gevonden artikelen
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