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| Titel: |
Airborne FTIR measurements over the Mt Etna volcano: preliminary results from the 2003 FASA Campaign |
| Auteur: |
Amici, S. Buongiorno, M. F. Corradini, S. Pugnaghi, S. Sgavetti, M. |
| Verschenen in: |
International journal of remote sensing |
| Paginering: | Jaargang 28 (2007) nr. 17 pagina's 3871-3893 |
| Jaar: |
2007-01 |
| Inhoud: |
From 16 to 26 July 2003 an extensive field campaign was carried out around Mt Etna, Sicily, Italy. During the campaign a new airborne system, Fire Airborne Spectral Analyzer (FASA), was tested. The main instrument of the payload is a high resolution Michelson Interferometer with Rotating Retroreflector (MIROR), which operates in the nominal infrared 600-3000 cm-1 spectral range with a high resolution of 0.12 cm-1. This work investigates the feasibility of using MIROR data to retrieve the surface temperature, the hyper-spectral emissivity and the SO2 volcanic plume abundance. The results for the surface parameters show a good agreement with those obtained by satellite data and on ground measurements. In particular, the spectral emissivity shows a meaningful minimum, around 1040 cm-1, consistent with the basaltic properties of Mt Etna's surface. A sensitivity study has also been carried out to show the difficulties of SO2 columnar abundance retrieval due to the too low SO2 volcanic emission and the too high instrumental noise. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 268 gevonden artikelen
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