KSCE Journal of Civil Engineering

, Volume 15, Issue 3, pp 595–606

Development of a large basin rainfall-runoff modeling system using the object-oriented hydrologic modeling system (OHyMoS)

  • Giha Lee
  • Sunmin Kim
  • Kwansue Jung
  • Yasuto Tachikawa
Article

DOI: 10.1007/s12205-011-1131-y

Cite this article as:
Lee, G., Kim, S., Jung, K. et al. KSCE J Civ Eng (2011) 15: 595. doi:10.1007/s12205-011-1131-y

Abstract

Development of basin-scale rainfall-runoff modeling systems is essential for integrated water resources management in terms of both assessing management alternatives and real-time resource management. This study developed a distributed rainfall-runoff modeling system based on the Object-oriented Hydrologic Modeling System (OHyMoS) for a large river basin (the Daechung Dam basin, South Korea; 3,994 km2) that is highly regulated by multipurpose dams. We applied three hydrologic element modules to simulate hillslope runoff, channel runoff, and dam reservoir outflow and then linked these modules together under OHyMoS to simultaneously predict discharges at eight specific outlets. This newly developed rainfall-runoff modeling system generally provided acceptable hydrographs during the typical Korean rainy period from 1 June to 30 September, although the simulated hydrographs for extreme flood events during typhoons and local heavy rainfall were underestimated compared to measured hydrographs. The developed modeling system can be used for water resources planning and management in the Daechung Dam basin and also readily extended to other large basins, such as the whole Geum River basin (9,835 km2) that includes the Daechung Dam basin, by incorporating sub-basin models into the system.

Keywords

basin scale hydrologic element modules OHyMoS rainfall-runoff modeling regulated basin 

Copyright information

© Korean Society of Civil Engineers and Springer-Verlag Berlin Heidelberg 2011

Authors and Affiliations

  • Giha Lee
    • 1
  • Sunmin Kim
    • 2
  • Kwansue Jung
    • 3
  • Yasuto Tachikawa
    • 4
  1. 1.Research Associate, Construction & Disaster Research Center, Dept. of Civil EngineeringChungnam National UniversityDaejeonKorea
  2. 2.Dept. of Urban and Environmental EngineeringKyoto UniversityUji, KyotoJapan
  3. 3.Dept. of Civil EngineeringChungnam National UniversityDaejeonKorea
  4. 4.Dept. of Urban and Environmental EngineeringKyoto UniversityKyotoJapan