Algorithm for estimating sea surface temperatures based on Aqua/MODIS global ocean data. 2. Automated quality check process for eliminating cloud contamination |
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| Authors: | Email author" target="_blank">Kohtaro?HosodaEmail author |
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| Institution: | (1) Center for Atmospheric and Oceanic Studies, Graduate School of Science, Tohoku University, 6-3 Aramaki aza Aoba, Aoba, Sendai 980-8578, Japan |
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| Abstract: | This study developed a post-processing quality check (QC) process to eliminate cloud contamination in infrared sea surface
temperature (SST) without manual handling. Cloudiness of a pixel was evaluated quantitatively, in which the graduated verifications
and a comprehensive decision from a combination of several tests were conducted. Additionally, the quality of SST data at
the pixel was measured by acceptable limits from reference SST, which were obtained from historical data. The QC processed
data showed good accuracy below 0.8°C, even in the near-cloud area. Before the QC, their accuracies including near-cloud areas
were as poor as 2–5°C. |
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