EOS-Aura ozone monitoring instrument in-flight performance and calibration

Marcel Dobber; Ruud Dirksen; Pieternel Levelt; Gijsbertus van den Oord; Quintus Kleipool; Robert Voors; Glen Jaross; Matthew Kowalewski

doi:10.1117/12.677372

7 September 2006 EOS-Aura ozone monitoring instrument in-flight performance and calibration

Marcel Dobber, Ruud Dirksen, Pieternel Levelt, Gijsbertus van den Oord, Quintus Kleipool, Robert Voors, Glen Jaross, Matthew Kowalewski

Author Affiliations +

Proceedings Volume 6296, Earth Observing Systems XI; 62960R (2006) https://doi.org/10.1117/12.677372
Event: SPIE Optics + Photonics, 2006, San Diego, California, United States

Abstract

In-flight performance and calibration results of the Ozone Monitoring Instrument OMI, successfully launched on 15 July 2004 on the EOS-AURA satellite, are presented and discussed. The radiometric calibration in comparison to the high-resolution solar irradiance spectrum from the literature convolved with the measured spectral slit function is presented. A correction algorithm for spectral shifts originating from inhomogeneous ground scenes (e.g. clouds) is discussed. Radiometric features originating from the on-board reflection diffusers are discussed, as well as the accuracy of the calibration of the instrument's viewing properties. It is shown that the in-flight performance of both CCD detectors shows evidence of particle hits by trapped high-energetic protons, which results in increased dark currents and increase in the Random Telegraph Signal (RTS) behaviour.

Citation Download Citation

Marcel Dobber, Ruud Dirksen, Pieternel Levelt, Gijsbertus van den Oord, Quintus Kleipool, Robert Voors, Glen Jaross, and Matthew Kowalewski "EOS-Aura ozone monitoring instrument in-flight performance and calibration", Proc. SPIE 6296, Earth Observing Systems XI, 62960R (7 September 2006); https://doi.org/10.1117/12.677372

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