A230-0007
The FIRMOS Zugspitze campaign: Level 2 retrievals in clear sky

Wednesday, 16 December 2020
Poster
Samuele Del Bianco1, Marco Gai1, Flavio Barbara1, Ugo Cortesi1, Piera Raspollini1, Gianluca Di Natale2, Luca Palchetti2, Giovanni Bianchini2, Claudio Belotti2, Silvia Viciani2, Francesco D’Amato2, Marco Barucci2, Alessio Montori2, Ralf Sussmann3 and Hannes Vogelmann4, (1)Istituto di Fisica Applicata – CNR, Sesto Fiorentino, Italy, (2)Istituto Nazionale di Ottica – CNR, Sesto Fiorentino, Italy, (3)IMK-IFU, Garmisch, Germany, (4)Karlsruhe Institute of Technology, IMK-IFU, Garmisch, Germany
Abstract:
FIRMOS (Far-Infrared Radiation Mobile Observation System) is a Fourier transform spectrometer covering the range from 100 to 1000 cm-1, developed within an ESA project for the preparation of the satellite mission FORUM (Far-infrared Outgoing Radiation Understanding and Monitoring) planned in 2025/2026 (Earth Explorer 9 - ESA). FIRMOS was deployed at the Alpine observatory of Mt. Zugspitze, in the South of Germany, at about 3000 m a.s.l. for 2 months (December 2018 and January-February 2019). In January-February 2019, FIRMOS acquired about 600 measurements of the downwelling spectral radiance in clear sky condition. In this presentation, we present results of the retrieval of the water vapour and temperature profiles obtained from Level 2 analysis of the FIRMOS measurements in clear sky condition. Dedicated and coincident measurements allowed us to perform a comparison with integrated water vapour obtained from E-AERI (Extended-range Atmospheric Emitted Radiance Interferometer) at Zugspitze summit station and with radio-sounding launched at Garmisch-Partenkirchen. Comparisons with further independent information are also shown.
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