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KMID : 1024520130220121661
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Journal of the Environmental Sciences
2013 Volume.22 No. 12 p.1661 ~ p.1669
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A study on the runoff characteristics of livestock resources using artificial and natural rainfall
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Jang Mi-Hyang
Song Si-Hoon
Lee Hyun-Kyu
Choi Yun-Young
Hwang Ha-Sun
Kim Eun-Jung
Kim Yong-Seok
Lee Jae-Kwan
Rhew Doug-Hee
Park Bae-Kyung
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Abstract
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This study conducted a laboratory simulation using artificial and natural rainfall in order to investigate the runoff
characteristics of livestock resources through the analysis of the surface runoff water and infiltration water by rainfall intensity and fertilization level. Cattle manure and pig liquid fertilizer was used as livestock resource.
As a result of this study, it was observed that the surface runoff occurred over 32 mm/hr rainfall intensity, and flow rate of
the surface runoff water and the runoff ratio of contaminant parameters from livestock resource was increased, as rainfall
intensity was stronger. With doubled fertilization level, T-N increased in compost and the amount of CODMn runoff also
considerably increased in liquefied fertilizer. In the case of natural rainfall, the runoff ratio of T-P clearly increased in compost and the T-N of final surface runoff ratio in compost and liquefied fertilizer was ranged from 0.13047 to 0.13623 with stronger rainfall intensity.
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KEYWORD
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Rainfall intensity, Cattle manure, Liquid fertilizer, Livestock resources
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