Sea-Level Trend at the Korean Coast

Cho, Kwangwoo

  • 발행 : 2002.11.01


Based on the tide gauge data from the Permanent Service for Meau 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. It was found that the PGR-corrected sea-level trend near Korea was 2.310 $\pm$ 2.220 mm/yr, which is higher than the global average at 1.0∼2.0mm/yr, as assessed by the Intergovernmental Panel on Climate Change(IPCC). 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 results of the previous study by Seo et al. However, due to the relatively short record period and large spatial variability, the sea-level trend from the tide gauge data for the Korean coast could be biased with a steric sea-level rise by the global warming during the 20th century.


sea level;sea-level rise;global warming;global warming impact


  1. Climate Dynamics v.18 pp.225-240 Gregory, J. M.;J. A. Church;G. J. Boer;K. W. Dixon;G. M. Flato;D. R. Jackett;J. A. Lowe;S. P. O'Farrell;E. Roeckner;G. L. Russell;R. J. Stouffer;M. Winton
  2. Proceedings of Coastal and Ocean Engineering in Korea v.11 pp.34-40 Prediction of Potential Shoreline Retreat by Sea Level Rise Son, C. B.
  3. International Hydrographic Review v.67 pp.131-146 Woodworth, P. L.;N. E Spencer;G. A. Alcock
  4. KEI-2001-RE-13 pp.125 Sea Level Change on Korea Coast and its impact due to the Global Warming Ⅰ Cho, K.;J. H. Kim.
  5. Climate Change 2001-Impacts, Adaptation, and Vulnearbility pp.1032 IPCC
  6. Workshop Report, No.81 pp.167 Joint IAPSO-IOC workshop on sea level measurements and quality control, Intergovernmental Oceanographic Commision IOC
  7. Data holding of the Permanent Service for Mean Sea Level, Bidston, Birkenhead : Permanent Service for Mean Sea Level pp.81 Spencer, N. E.;P. L. Woodworth
  8. Climate Change 2001-The Scientific Basis pp.881 IPCC
  9. Global Environmental Change v.9 pp.S69-S87 Nicholls, R. J.;F. M. J. Hoozemans;M. Marchand
  10. Sea Level Rise pp.37-64 Douglas, B. C.;M. C. Kearney;S. P. Leatherman
  11. Study Paper of National Oceanographic Research Institute pp.3-8 Seo, B.D.;Y. Huh;K.C. Lim
  12. Surveys in Geophysics v.18 pp.239-277 Peltier, W. R.;X. Jiang
  13. Acta Oceanologica Sinica v.18 pp.337-353 Choi, B. H.;S. J. Roh;J. H. Lee;F. Guohong