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An Assessment of Continuous Streamflow Simulation at Imjin River Shared by South and North Korea

  • Crisisonomy
  • Abbr : KRCEM
  • 2017, 13(7), pp.109-118
  • DOI : 10.14251/crisisonomy.2017.13.7.109
  • Publisher : Crisis and Emergency Management: Theory and Praxis
  • Research Area : Social Science > Public Policy > Public Policy in general
  • Received : May 30, 2017
  • Accepted : July 17, 2017
  • Published : July 31, 2017

Moo-Kyeong LEE 1 Lee, Hyosang 2 Jang Suk-hwan 3 Jae-Kyoung Lee 3

1경기도청
2충북대학교
3대진대학교

Accredited

ABSTRACT

Imjin River is shared by North and South Korea. As Imjin river flows from North Korea to South Korea, reliable estimates on the observational flow of the North Korean catchment are essential for water resource management in South Korea. Since such hydrological information is not shared with South Korea, there is an increasing risk of failure in flood and drought prevention in South Korea. This study simulates a long-term continuous streamflow at Imjingyo catchment, one of the upstream catchments of Imjin river. It also estimates the effect of Hwanggang dam in North Korea on the South Korean catchment in Imjin River. A Probability Distributed Model (PDM), which is a conceptual rainfall-runoff model, is applied to hydrological data from 1998-2015 at Imjinkyo catchment. The model estimates 8% reduction in streamflow in 2011-2015, which may result from the changes in runoff characteristics after the construction of Hwanggang dam. Further study should focus on validating the results of this study and obtaining the reliability of its runoff estimation using additional data on the North Korean catchment.

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