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Carli, B.
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Carli, B.
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- PublicationOpen AccessEmission Fourier transform spectroscopy for remote sensingof the Earth's atmosphere(2003)
; ; ; ;Bianchini, G.; Istituto di Ricerca sulle Onde Elettromagnetiche «Nello Carrara», Firenze, Italy ;Cortesi, U.; Istituto di Ricerca sulle Onde Elettromagnetiche «Nello Carrara», Firenze, Italy ;Carli, B.; Istituto di Ricerca sulle Onde Elettromagnetiche «Nello Carrara», Firenze, Italy; ; Fourier transform emission spectroscopy can make an important contribution in the observation of the Earth's atmosphere and in the investigation of atmospheric physics and chemistry. In this paper, we report the measurement performances and the result obtained by a Fourier transform spectrometer, named SAFIRE-A (Spectroscopy of the Atmosphere using Far Infrared Emission - Airborne), operating in the far infrared spectral region from limb sounding observation of the atmospheric emission from a high altitude aircraft. After a short review of the advantages of FTS emission limb sounding in comparison with competing techniques and observation geometries, a detailed description of the instrument is given with the result obtained during the APE-GAIA (Airborne Polar Experiment - Geophysica Aircraft In Antarctica) fi eld campaign carried out over the Antarctic Peninsula.210 450 - PublicationRestrictedRetrieval of foreign-broadened water vapor continuum coefficients from emitted spectral radiance in the H2O rotational band from 240 to 590 cm −1(2008-09-29)
; ; ; ; ; ; ; ; ; ; ; ; ;Serio, C.; Dip. Ingegeneria e Fisica dell’Ambiente, Università della Basilicata, Potenza, Italy ;Masiello, G.; Dip. Ingegeneria e Fisica dell’Ambiente, Università della Basilicata, Potenza, Italy ;Esposito, F.; Dip. Ingegeneria e Fisica dell’Ambiente, Università della Basilicata, Potenza, Italy ;Di Girolamo, P.; Dip. Ingegeneria e Fisica dell’Ambiente, Università della Basilicata, Potenza, Italy ;Di Iorio, T.; Dip. Fisica, Università di Roma ”La Sapienza”, Roma, Italy ;Palchetti, L.; Istituto di Fisica Applicata ”Nello Carrara”, IFAC-CNR, Firenze, Italy ;Bianchini, G.; Istituto di Fisica Applicata ”Nello Carrara”, IFAC-CNR, Firenze, Italy ;Muscari, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma2, Roma, Italia ;Pavese, G.; Istituto di Metodologie per l’Analisi Ambientale, IMAA-CNR, Potenza, Italy ;Rizzi, R.; Dip. Fisica, Università di Bologna, Bologna, Italy ;Carli, B.; Istituto di Fisica Applicata ”Nello Carrara”, IFAC-CNR, Firenze, Italy ;Cuomo, V.; Istituto di Metodologie per l’Analisi Ambientale, IMAA-CNR, Potenza, Italy; ; ; ; ; ; ; ; ; ; ; The paper presents a novel methodology to retrieve the foreign-broadened water vapor continuum absorption coefficients in the spectral range 240 to 590 cm−1 and is the first estimation of the continuum coefficient at wave numbers smaller than 400 cm−1 under atmospheric conditions. The derivation has been accomplished by processing a suitable set of atmospheric emitted spectral radiance observations obtained during the March 2007 Alps campaign of the ECOWAR project (Earth COoling by WAter vapor Radiation). It is shown that, in the range 450 to 600 cm−1, our findings are in good agreement with the widely used Mlawer, Tobin-Clough, Kneizys-Davies (MT_CKD) continuum. Below 450 cm−1 however the MT_CKD model overestimates the magnitude of the continuum coefficient.320 27