On-orbit characterization of the GOES Imager channel-to-channel co-registration

Michael G. Grotenhuis; Xiangqian Wu; Fangfang Yu; Timothy J. Schmit; Scott S. Lindstrom; Changyong Cao

doi:10.1117/12.929590

15 October 2012 On-orbit characterization of the GOES Imager channel-to-channel co-registration

Michael G. Grotenhuis; Xiangqian Wu; Fangfang Yu; Timothy J. Schmit; Scott S. Lindstrom; Changyong Cao

Author Affiliations +

Proceedings Volume 8510, Earth Observing Systems XVII; 85101T (2012) https://doi.org/10.1117/12.929590
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

The channel-to-channel co-registration of a satellite imaging system is an important performance metric that has a direct impact upon the reliability of the imager’s quantitatively-derived products. In this work, standard full-disk image data is used to measure the on-orbit channel-to-channel co-registration of the infrared channels of several GOES Imagers at a sub-pixel level. This is accomplished with two separate methods, one of which furthers preliminary research by Wu et. al.¹ using GOES-8 and 9 spatial-spectral brightness temperature gradients, the other of which uses a statistical approach. The diurnal, seasonal, and long-term co-registration behavior is analyzed.

Citation Download Citation

Michael G. Grotenhuis, Xiangqian Wu, Fangfang Yu, Timothy J. Schmit, Scott S. Lindstrom, Changyong Cao, "On-orbit characterization of the GOES Imager channel-to-channel co-registration", Proc. SPIE 8510, Earth Observing Systems XVII, 85101T (15 October 2012); doi: 10.1117/12.929590; https://doi.org/10.1117/12.929590

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