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http://dx.doi.org/10.7837/kosomes.2017.23.6.677

Sea Surface Temperature Time Lag Due to the Extreme Heat Wave of August 2016  

Kim, Ju-Yeon (Oceanic Climate of Ecology Research Division, National Institute and Fisheries Science)
Han, In-Seong (Oceanic Climate of Ecology Research Division, National Institute and Fisheries Science)
Publication Information
Journal of the Korean Society of Marine Environment & Safety / v.23, no.6, 2017 , pp. 677-683 More about this Journal
Abstract
In this study, we examined responses to Sea Surface Temperature (SST) as the result of an intensive heat wave that took place in August 2016 and the cross correlation between SST and Air Temperature (AT) in August 2016. The data used included the SST of 8 ocean buoys, provided by the National Institute of Fisheries Science, and the AT of AWS near those 8 ocean buoys recorded every hour. To identify an appropriate data period, on FIR filter was applied. Two locations in the south sea were selected to be observed over similar a period, with a high correlation coefficient of about 0.8 and a time lag of about 50 hours between AT and SST. For the yellow sea, due to shallow waters and tidal currents, SST showed a rapid response caused by changes in AT. The east sea showed a negative correlation between AT and SST because of significant water depth and marine environment factors. By identifying the time lag between AT and SST, damage to aquatic organisms can be minimized, and we expect to develop a rapid response system for damage to the fishery industry caused by extreme heat waves.
Keywords
Extreme heat wave; Sea Surface Temperature; Air Temperature; Time lag; Cross correlation;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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