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Determination of the TROPOMI-SWIR instrument spectral response function by van Hees, Richard M.; Tol, Paul J. J.; Cadot, Sidney; Krijger, Matthijs; Persijn, Stefan T.; van Kempen, Tim A.; Snel, Ralph; Aben, Ilse; Hoogeveen, Ruud W. M. is a Earth and Planetary Sciences article available to read on EtoBox.
What is Determination of the TROPOMI-SWIR instrument spectral response function about?
Abstract. The Tropospheric Monitoring Instrument (TROPOMI) is the single instrument on board the ESA Copernicus Sentinel-5 Precursor satellite. TROPOMI is a nadir-viewing imaging spectrometer with bands in the ultraviolet and visible, the near infrared and the shortwave infrared (SWIR). An accurate instrument spectral response function (ISRF) is required in the SWIR band where absorption lines of CO, methane and water vapor overlap. In this paper, we report on the determination of the TROPOMI-SWIR ISRF during an extensive on-ground calibration campaign. Measurements are taken with a monochromatic light source scanning the whole detector, using the spectrometer itself to determine the light intensity and wavelength. The accuracy of the resulting ISRF calibration key data is well within the requirement for trace-gas retrievals. Long-term in-flight monitoring of SWIR ISRF is achieved using five on-board diode lasers.
Who reads Determination of the TROPOMI-SWIR instrument spectral response function?
It is typically read by researchers, students, and practitioners in Earth and Planetary Sciences.
- Author
- van Hees, Richard M.; Tol, Paul J. J.; Cadot, Sidney; Krijger, Matthijs; Persijn, Stefan T.; van Kempen, Tim A.; Snel, Ralph; Aben, Ilse; Hoogeveen, Ruud W. M.
- Publisher
- Cambridge University Press (Virtual Publishing)
- Published
- 2018
- Language
- EN
- ISBN
- 9781139172011
- Field
- Earth and Planetary Sciences (Physical Sciences)