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Effects of Road Constructions on Soil Drainage from Paddy Fields
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 Title & Authors
Effects of Road Constructions on Soil Drainage from Paddy Fields
Sonn, Yeon-Kyu; Moon, Yong-Hee; Zhang, Yong-Seon; Jung, Kang-Ho; Cho, Hye-Rae; Hyun, Byung-Keun; Shin, Kook-Sik; Han, Kyeong-Hwa;
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Bad drainage problems from paddy fields adjacent to roads are caused by higher constructed roads which change topography of paddy fields to concave topography and artificial pan to prevent road erosion when road constructions are occurred. This study investigated effects of topography changes on soils by road constructions. Soil samples were investigated by physico-chemical analyses and micromorphology analyses from representative soil profile of Sachon series and soil samples. The characteristics of Sachon series that were adjacent to roads were fewer redoximorphic features (RMF) and increase in grey layers than the original Sachon series. The characteristics of Yecheon Series were shown from Jeollanamdo - Suncheon > Chungchungnamdo - Cheonan > Gangwondo - Wonju. Mosaic speckles were shown from micromorphological analyses because of repeat of shrink and expansion by wetting and drying. The location of graying in soil clods were found from coarse stone blocks to fine stone blocks and color changes of composed particles were also found.
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