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Change Soil Water and Evaluation with Respect to Shallow-Extensive Green Roof System
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 Title & Authors
Change Soil Water and Evaluation with Respect to Shallow-Extensive Green Roof System
Park, Jun-Suk; Park, Je-Hea; Ju, Jin-Hee; Yoon, Yong-Han;
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This study focused on the characteristics of change soil water with respect to soil thickness and soil mixture ratio, in order to effectively carry out an afforestation system for a roof with a low level of management and a light weight. Soil hardness tended to increase as sand particle was increase regardless soil thickness and soil porosity had more higher artificial soil than natural soil mixture. In case of soil pH, natural soil mixture had between 6.7 and 7.4, and artificial soil mixture had 6.0~6.8. Organic matter, electrical conductance and exchangeable content were highest in , which it had the highest leafmold ratio. Soil moisture tension(kPa) in 15cm soil thickness was observed natural soil mixture had a considerable change but artificial soil mixture had a gradual change when non-rainfall kept on. In the experimental , , and object, the amount of moisture tended to rapidly decrease. However, in the experimental , , and objects, which contained pearlite and peat moss, the amount of moisture tended to gradually decrease. As a result, the use of a artificial soil mixture soil seems to be required for the afforestation of a roof for a low level of management.
Greening of building;Biotop;Soil water;Soil thickness;Soil mixture ratio;Artificial soil;
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