도시기능 복원시 LID기술에 따른 수문응답 특성
Characteristics of Hydrologic Response According to LID Technique for Restoration of Urban Function
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초록
This study describes the characteristics of hydrological response of designed site according to Low Impact Development (LID). Hydraulic conditions are key factor for urban design by LID. The extensive literature and practical investigation applied for LID have been analyzed to estimate hydrological, geomorphological and climatological characteristics of sub-catchment. For estimating runoff reduction rate with LID techniques, the characteristics of water balance of five LID techniques were firstly analyzed. Vegetated swale and green roof were not affected to reduce runoff. However, porous pavement and infiltration trench were captured flood runoff by infiltration function. HRT with vegetated swale and porous pavement was influenced by runoff volume. The runoff reduction rate with LID techniques were substantially affected by their percentage of the area installed with LID components and the percentage of the drainage area of the LID components.
Abstract
This study describes the characteristics of hydrological response of designed site according to Low Impact Development (LID). Hydraulic conditions are key factor for urban design by LID. The extensive literature and practical investigation applied for LID have been analyzed to estimate hydrological, geomorphological and climatological characteristics of sub-catchment. For estimating runoff reduction rate with LID techniques, the characteristics of water balance of five LID techniques were firstly analyzed. Vegetated swale and green roof were not affected to reduce runoff. However, porous pavement and infiltration trench were captured flood runoff by infiltration function. HRT with vegetated swale and porous pavement was influenced by runoff volume. The runoff reduction rate with LID techniques were substantially affected by their percentage of the area installed with LID components and the percentage of the drainage area of the LID components.
참고문헌 (13)
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