Abstract
Based on the tide gauge data from the Permanent Service for Mean Sea Level (PSMSL) collected at 23 locations in the Korean coast, the long-term sea-level trend was computed using a simple linear regression fit over the recorded length of the monthly mean sea-level data. The computed sea-level trend was also corrected for the vertical land movement due to post glacial rebound(PGR) using the ICE-4G(VM2) model output^12). It was found that the PGR-corrected sea-level trend near Korea was 2.310 ± 2.220 mm/yr, which is higher than the global average at 1.0~20.mm/yr, as assessed by the Intergovernmental Panel on Climate Change(IPCC)^1). The regional distribution of the long-term sea-level trend near Korea revealed that the South Sea had the largest sea-level rise followed by the West Sea and East Sea, respectively, supporting the result of the previous study by Seo et al.^7) However, due to the relatively short record period and large spatial variability, the sea-level trend from the tide gauge data for the Korea coast could be biased with a steric sea-level rise by global warming during the 20th century.
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