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A Study on the Urban Disaster-Prevention Methods and Analysis of Flooding Characteristics of 4-Way Intersection Areas

  • Crisisonomy
  • Abbr : KRCEM
  • 2013, 9(6), pp.81-94
  • Publisher : Crisis and Emergency Management: Theory and Praxis
  • Research Area : Social Science > Public Policy > Public Policy in general

김원현 1 Byoungjae Lee 1 김재호 1 심우배 1

1국토연구원

Accredited

ABSTRACT

Urban disaster risks have been increasing by climate change. Road surface runoff has markedly increased and it can aggravate flood damage in the city. Especially 4-way intersections should be managed against flood because of the reason of geographical conditions. The characteristics of flood hazard in 4-way intersections are related to a mixture of gentle and steep slope. It should be investigated for the purpose of reducing flood damage. Study area is a Kang-nam Station and the result of analysis is shown in 3 reasons. First, flood damage occurred within 3 hours, road surface runoff increased because of slopes and 1st floor of buildings were in the risk of flooding. Analysis is carried out focusing on land use, infrastructure and buildings through the GIS analysis and the field investigation. As a result, steep slope are has needed the measures to slow runoff speed and gentle slope area required as much as possible area of basin being newly obtained by using infrastructures. The improvement of road system against flood and strategy of land use for the purpose of a taking the detention basin are suggested. Lastly, a strategy of passage reservations in flood situation is checked.

Citation status

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