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http://dx.doi.org/10.11108/kagis.2011.14.4.182

A Comparison of Spatio-Temporal Variation Pattern of Sea Surface Temperature According to the Regional Scale in the South Sea of Korea  

Yoon, Dong-Young (Ocean Data and Information Unit, Korea Ocean Research & Development Institute)
Choi, Hyun-Woo (Ocean Data and Information Unit, Korea Ocean Research & Development Institute)
Publication Information
Journal of the Korean Association of Geographic Information Studies / v.14, no.4, 2011 , pp. 182-193 More about this Journal
Abstract
In order to compare the spatio-temporal variation pattern of sea surface temperature (SST) in Korea's Southern areas of the sea according to a regional scale, this study has selected the winter and summer seasons for 31 years (1980~2010) in a period aspect and selected three areas of the sea such as the Western areas of the sea (region B) and Eastern areas of the sea (region C) around Jeju Island in addition to overall Southern areas of the sea (region A) in regional aspect. The regression analysis was applied to find out a temporal variation pattern of SST, and the weighted mean center (WMC) of SST as well as analysis of a standard deviational ellipse (SDE) was respectively applied. As a result of regression analysis of SST, it showed a rising long-term trend for all two seasons in three regions. However, though the average SST for 31 years was all similar in three regions in the summer season, the region C appeared more highly than region B in the winter season. The spatial variation pattern of SST for two seasons showed that it is respectively different from each other in three regions. The spatial variation pattern of SST appeared as E-W direction in region A, SE-NW direction in region B and SW-NE direction in region C. In addition, the relationship between the location of the WMC of SST and the average SST showed correlation in regions A and B in the winter season, whereas it appeared that there is no correlation in region C. Accordingly, it can be known that the regional scale should be considered in case of analysis of spatio-temporal variation patterns of SST.
Keywords
Seawater Temperature Variation; Weighted Mean Center; Standard Deviational Ellipse; Regional Scale;
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