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Remote Sens. 2016, 8(1), 76;

Fast and Accurate Collocation of the Visible Infrared Imaging Radiometer Suite Measurements with Cross-Track Infrared Sounder

Earth System Science Interdisciplinary Center, University of Maryland, 5825 University Research Court, Suite 4001, College Park, MD 20740, USA
Science Data Processing Inc., Laurel, MD 20723, USA
Earth Resource Technology Inc., 14401 Sweitzer Lane, Laurel, MD 20707, USA
Center for Satellite Applications and Research, NESDIS/NOAA, 5830 University Research Court, College Park, MD 20740, USA
Author to whom correspondence should be addressed.
Academic Editors: Changyong Cao, Dongdong Wang and Prasad S. Thenkabail
Received: 29 November 2015 / Revised: 12 January 2016 / Accepted: 18 January 2016 / Published: 21 January 2016
(This article belongs to the Collection Visible Infrared Imaging Radiometers and Applications)
Full-Text   |   PDF [3414 KB, uploaded 21 January 2016]   |  


Given the fact that Cross-track Infrared Sounder (CrIS) and the Visible Infrared Imaging Radiometer Suite (VIIRS) are currently onboard the Suomi National Polar-orbiting Partnership (Suomi NPP) satellite and will continue to be carried on the same platform as future Joint Polar Satellite System (JPSS) satellites for the next decade, it is desirable to develop a fast and accurate collocation scheme to collocate VIIRS products and measurements with CrIS for applications that rely on combining measurements from two sensors such as inter-calibration, geolocation assessment, and cloud detection. In this study, an accurate and fast collocation method to collocate VIIRS measurements within CrIS instantaneous field of view (IFOV) directly based on line-of-sight (LOS) pointing vectors is developed and discussed in detail. We demonstrate that this method is not only accurate and precise from a mathematical perspective, but also easy to implement computationally. More importantly, with optimization, this method is very fast and efficient and thus can meet operational requirements. Finally, this collocation method can be extended to a wide variety of sensors on different satellite platforms. View Full-Text
Keywords: VIIRS; CrIS; inter-calibration; collocation; cloud detection VIIRS; CrIS; inter-calibration; collocation; cloud detection

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Wang, L.; Tremblay, D.; Zhang, B.; Han, Y. Fast and Accurate Collocation of the Visible Infrared Imaging Radiometer Suite Measurements with Cross-Track Infrared Sounder. Remote Sens. 2016, 8, 76.

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