Post-launch calibration of GOES Imager visible channel using MODIS data

Xiangqian Wu; Fengying Sun

doi:10.1117/12.615401

22 August 2005 Post-launch calibration of GOES Imager visible channel using MODIS

Xiangqian Wu, Fengying Sun

Proceedings Volume 5882, Earth Observing Systems X; 58820N (2005) https://doi.org/10.1117/12.615401
Event: Optics and Photonics 2005, 2005, San Diego, California, United States

Abstract

Lacking onboard calibration devices, the GOES Imager visible channel must be vicariously calibrated on orbit. Several methods have been explored. In this study, the method using a well-calibrated radiometer (MODIS) as an external reference for calibration was expanded and improved. This method is complementary to other techniques in that, in addition to long term trending, it also provides absolute calibration shortly after launch. Care must be taken, though, to account for the lack of simultaneity of the measurements by the two sensors and the differences in the sensors' spectral response functions.

Citation Download Citation

Xiangqian Wu and Fengying Sun "Post-launch calibration of GOES Imager visible channel using MODIS", Proc. SPIE 5882, Earth Observing Systems X, 58820N (22 August 2005); https://doi.org/10.1117/12.615401

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