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  • 1
    Publication Date: 2017-04-04
    Description: From 16 to 26 July 2003 a wide field campaign was carried out around Mt. Etna (Sicily) by different research units. During the campaign a new airborne system named FASA (Fire Airborne Spectral Analyzer) was tested. FASA is a system devoted to high temperature events study. The payload on the airborne consists of the Advanced BIRD Airborne Simulator (ABAS), which is an imager, and a high resolution Michelson Interferometer with ROtating Retroreflector (MIROR) operating in the nominal infrared 600-3000 cm-1 range. The spectra calibration has been carried out by computing the instrumental response function and the instrumental offset by using two black body sources at different temperature. In this paper we describe the MIROR in flight calibration and some preliminary results from its data-set. In particular the surface temperature, the hyperspectral emissivity and gas detection from radiance spectra collected on Mount Etna are shown. The atmospheric corrections terms, needed for the retrieval procedures, have been computed using MODTRAN radiative transfer code considering the atmospheric profiles measured in situ during the field campaign. The results are compared with ASTER satellite and experimental data.
    Description: Published
    Description: 3871-3893
    Description: 1.10. TTC - Telerilevamento
    Description: JCR Journal
    Description: reserved
    Keywords: FTIR calibration ; FTIR calibration ; surface temperature ; Mt. Etna volcano ; 01. Atmosphere::01.01. Atmosphere::01.01.08. Instruments and techniques
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Location Call Number Expected Availability
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  • 2
    Publication Date: 2017-04-04
    Description: The reflectance spectra were measured with a FieldSpecPro from 350 nm to 2500 nm during a fieldwork in June 2007. The reflectance has been compared with reflectance obtained by multispectral Advanced Space borne Thermal Emission and Reflection Radiometer (ASTER) and by hyper spectral EO1-Hyperion satellites. Prior the comparison, reflectance spectra have been convolved with ASTER and EO1-Hyperion spectral functions. The results show percentage errors in accordance to those present in literature in the ASTER SWIR range. However, some differences have been confirmed for the ASTER reflectance product (ASTER_07) in visible channels. Regarding EO1-Hyperion, a good agreement of reflectance against field measurement has been found resulting in 5% percentage maximum error in the VIS and up 30% in SWIR spectral range. The capacity of reproducing spectral feature by EO1-Hyperion has been checked on bright pixels (ice-snow) in the acquired image.
    Description: The authors thank D. Pieri, ASTER science Team Member, for the data acquisition planning support and the Jet Propulsion Laboratory, California Institute of Technology for providing ASTER imagery. We further thank the EO1 team for their free data policy, C. Carli for his support in the field measurements. We thank B. Behncke, A. La Spina and F. Murè (INGV Catania) for logistic support and assistance with their knowledge of the Mt. Etna area. A special thanks to Prof. Andrew Hardy for his English check.
    Description: Published
    Description: 235-245
    Description: 2V. Dinamiche di unrest e scenari pre-eruttivi
    Description: 3V. Dinamiche e scenari eruttivi
    Description: 6A. Monitoraggio ambientale, sicurezza e territorio
    Description: 5IT. Osservazioni satellitari
    Description: N/A or not JCR
    Description: open
    Keywords: Reflectance spectra ; satellite ; Etna ; 04. Solid Earth::04.02. Exploration geophysics::04.02.99. General or miscellaneous ; 04. Solid Earth::04.04. Geology::04.04.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.99. General or miscellaneous ; 04. Solid Earth::04.08. Volcanology::04.08.06. Volcano monitoring ; 04. Solid Earth::04.08. Volcanology::04.08.07. Instruments and techniques ; 05. General::05.03. Educational, History of Science, Public Issues::05.03.99. General or miscellaneous ; 05. General::05.04. Instrumentation and techniques of general interest::05.04.99. General or miscellaneous
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: article
    Location Call Number Expected Availability
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