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http://dx.doi.org/10.5389/KSAE.2010.52.6.135

Soil Erosion Reduction Plan for Watershed with Sloping Fields of Highland Agriculture by Using GEOWEPP Model  

Moon, Jong-Pil (농촌진흥청 국립농업과학원 농업공학부)
Kim, Tai-Cheol (충남대학교 농업생명과학대학 지역환경토목학과)
Lee, Sung-Hyoun (농촌진흥청 국립농업과학원 농업공학부)
Kwon, Jin-Kyung (농촌진흥청 국립농업과학원 농업공학부)
Lee, Su-Jang (농촌진흥청 국립농업과학원 농업공학부)
Lim, Kyoung-Jae (강원대학교 농업생명과학대학 지역건설공학과)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.52, no.6, 2010 , pp. 135-144 More about this Journal
Abstract
This study was performed to suggest a soil loss reduction skill through estimating soil erosion from a small watershed including each type of sloping agriland by using GEOWEPP model. Experimental watershed at Gangwon province was selected for very typical sloping fields of highland agriculture in Alpine area. Runoff discharge and sediment load, hourly rainfall amount occurred during storm event were gauged, and weather data were obtained from Daegwallyeong meteorological station. The results of GEOWEPP model estimation showed that relative error values for total runoff discharge and sediment load were 3 %, -14.5 % respectively. Based on the result, soil erosion and waterway path map for each hillslope were made to select target hillslope. Several hillslopes of severe soil erosion were analyezed and then the optimal vegetative filter strip construction width and waterway path to plant grass were decided by using GEOWEPP Model.
Keywords
Sloping agriland; soil erosion; vegetative filter strip; grassed waterway; GEOWEPP model;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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