MERIS in-flight spectral calibration in O2 absorption using surface pressure retrieval

Didier Ramon; Richard P. Santer; Philippe Dubuisson

doi:10.1117/12.467540

9 April 2003 MERIS in-flight spectral calibration in O₂ absorption using surface pressure retrieval

Didier Ramon, Richard P. Santer, Philippe Dubuisson

Proceedings Volume 4891, Optical Remote Sensing of the Atmosphere and Clouds III; (2003) https://doi.org/10.1117/12.467540
Event: Third International Asia-Pacific Environmental Remote Sensing Remote Sensing of the Atmosphere, Ocean, Environment, and Space, 2002, Hangzhou, China

Abstract

We present the results of the first in-flight spectral calibration of the ENVISAT/MERIS instrument. An operational algorithm using the high sensitivity of absorption to the spectral location in the O₂ bands is briefly presented. We show that an accuracy of ± 0.02 nm can be reached with a careful analysis of the whole dataset. This method was successfully compared to other techniques and proved to have the lowest noise. Consequences for the MERIS Surface Pressure product are investigated and optimization of the O₂ bands setting is proposed.

Citation Download Citation

Didier Ramon, Richard P. Santer, and Philippe Dubuisson "MERIS in-flight spectral calibration in O₂ absorption using surface pressure retrieval", Proc. SPIE 4891, Optical Remote Sensing of the Atmosphere and Clouds III, (9 April 2003); https://doi.org/10.1117/12.467540

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