Publisher's Note: This paper, originally published on 26 October 2022, was replaced with a corrected/revised version on 30 November 2023. If you downloaded the original PDF but are unable to access the revision, please contact SPIE Digital Library Customer Service for assistance.
Global outgoing longwave radiation variation is examined for a 6-year (2014-2019) period using reanalysis and FengYun 3B/3C OLR products: the interpolated OLR analyses and the visible and infrared radiometer OLR on FengYun 3 series satellite platforms. Tropical Pacific and Niño key regions are essential range for monitoring El Niño events, which are chosen to investigate the spatial-temporal correlation, seasonal evolution and statistical difference with a variety source of OLR anomalies. Results indicate that monthly OLR anomalies can monitor the Niño variation. OLR anomalies are associated with enhanced amplitude in the EP El Niño, while OLR anomalies exhibit stronger intensity than the CP El Niño index. For FengYun 3B/3C the monthly satellite products have a root mean squared error of 10.94 W/m2 and 12.73 W/m2 as compared for the interpolated OLR products.
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