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http://dx.doi.org/10.7837/kosomes.2019.25.6.678

Preliminary Study on Detection of Marine Heat Waves using Satellite-based Sea Surface Temperature Anomaly in 2017-2018  

Kim, Tae-Ho (Marine Security and Safety Research Center, Korea Institute of Ocean Science and Technology)
Yang, Chan-Su (Marine Security and Safety Research Center, Korea Institute of Ocean Science and Technology)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.25, no.6, 2019 , pp. 678-686 More about this Journal
Abstract
In this study, marine heat waves on coastal waters of Republic of Korea were detected using satellite-based Sea Surface Temperature Anomaly (SSTA). The detected results were compared with the warm water issues reported by the National Institute of Fisheries Science (NIFS). Marine heat waves detection algorithm using SSTA based on a threshold has proposed. The threshold value was defined as 2℃ for caution and 3℃ for warning issues, respectively. Daily averaged SST data from July to September of 2017-2018 were used to generate SSTA. The satellite-based detection results were classified into nine areas according to the place names used in the NIFS warm water issues. In the comparison of frequency of marine heat waves occurrence to each area with the warm water issue, most areas in the southern coast showed a similar pattern, that is probably NIFS uses spatially well distributed buoys. On the other hand, other sea areas had about two times more satellite detection results. This result seems to be because NIFS only considers the water temperature data measured at limited points. The results of this study are expected to contribute to the development of a satellite-based warm/cold water monitoring system in coastal waters.
Keywords
Marine heat waves; Sea surface temperature; SST Anomaly; Marine heat waves detection; Satellite;
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Times Cited By KSCI : 6  (Citation Analysis)
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