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MIS 5e Marine Terraces and Uplift Rate since the Last Interglacial in the Yeongdeok Coast of the Southeastern Korean Peninsula

  • Journal of the Association of Korean Geographers
  • Abbr : JAKG
  • 2019, 8(1), pp.61-70
  • DOI : 10.25202/JAKG.8.1.5
  • Publisher : Association of Korean Geographers
  • Research Area : Social Science > Geography
  • Received : March 26, 2019
  • Accepted : April 15, 2019
  • Published : April 30, 2019

Seong-Gil Choi 1

1공주대학교 지리교육과

Accredited

ABSTRACT

The ‘Yeongdeok 19m marine terrace’ and the ‘Yeongdeok 11m marine terrace’ distributed along the Yeongdeok coast of the southeastern Korean peninsula are assumed to have been formed in the MIS 5e and MIS 5a respectively, judging from the comparison between the ‘Yeongdeok 19m marine terrace’ - the ‘Yeongdeok 11m marine terrace’ and the ‘lower marine terrace 1’ - the ‘lower marine terrace 2’ respectively, which have been known as the marine terraces of MIS 5e and 5a in the Gangneung ~ Uljin coast and the Ulsan ~ Pohang coast respectively. If we assume that the sea level of MIS 5e was 6m higher than that of the present, as is generally known, the uplift rate in the Yeongdeok coast since the MIS 5e(125ka BP) is calculated as about 0.1mm / year (1.0m / 10,000years) because the estimated former shoreline altitude of the ‘Yeongdeok 19m marine terrace’ is about 19m. The uplift rate derived from this study is lower than those of the other studies which have been made in the same and adjacent coasts of this study. The further investigation on the differences of the uplift rate between this study and the other studies is required.

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