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Incision Rates of Mountain Streams in the Southern Part of the Taebaek Mountain Ranges

  • Journal of the Association of Korean Geographers
  • Abbr : JAKG
  • 2019, 8(2), pp.155-168
  • DOI : 10.25202/JAKG.8.2.4
  • Publisher : Association of Korean Geographers
  • Research Area : Social Science > Geography
  • Received : June 17, 2019
  • Accepted : July 5, 2019
  • Published : August 31, 2019

Gwang-Ryul Lee 1

1경북대학교 지리교육과

Accredited

ABSTRACT

This study tries to calculate incision rate by topographical analysis and age dating on 18 fluvial terrace sites in 12 mountain streams in the southern part of the Taebaek Mountain Range, Gyeongbuk and Chungbuk Provinces. Based on characteristics in spatial distribution of incision rate, stream incision and ground uplift of the Taebaek and Sobaek Mountain Ranges are also estimated. Higher incision rate areas are found in the central and western slopes in the southern part of the Taebaek Mountain Range as well as in the western slope of the Sobaek Mountain Range. Areas at least 30 km and 20 km away from the Taebaek and Sobaek Mountain Ranges, respectively, show lower incision rate. These results suggest that the Taebaek and Sobaek Mountain Ranges are uplift axes where have experienced active ground uplift, the most important factor in stream incision, in the southern part of the Korean Peninsula. Uplift rate in the Taebaek Mountain Range seems to be higher than that in the Sobaek Mountain Range. It is likely that both the Taebaek and Sobaek Mountain Ranges have experienced tilted uplift with more active uplift in the western slope than in the eastern slope.

Citation status

* References for papers published after 2022 are currently being built.

This paper was written with support from the National Research Foundation of Korea.