지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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The purpose of this study was to investigate characteristics of behavior of nutrients such as TN (Total nitrogen), TDN (Total dissolved nitrogen), TP (Total phosphorus) TDP (Total dissolved phosphorous) in runoff water from a nonpoint source dominated watershed (6.67 ㎢). Regular and intensive flow measurement and water sampling were taken during two years (February 2002 to January 2004) in the Ingyeong River, a tributary of the Han River. The mean concentrations of nutrients during rainy days were significantly (p < 0.05) higher than those during dry days. The mean TDN/TN ratio in rainy days (95%) is almost identical to that in dry days (96%), but mean TDP/TP ratio in rainy days (24%) significantly decreased compared with that in dry days (66%), suggesting that dominant form of TP is shifted from dissolved form to particulate form. Accordingly, the measures (.eg. filter strips, cover crops) to reduce soil erosion for fallow upland in the rainy season should be taken to control particulate phosphorous.
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참고문헌 (15)
참고문헌 신청
American Public Health Association / 1998 / Standard Methods for the Water and Wastewater Examination / 20th ed
Coale, F. J. / 2000 / Phosphorus dynamics in soils of the Chesapeake Bay watershed: A primer / Agriculture and Phosphorus Management, Lewis : 43 ~ 55
Dils,R.M. / 1997 / Phosphorous fractions in hillslope hydrological pathways contributing to agricultural runoff / 박사 / University of Sheffield
Gao, C. / 2004 / Nitrogen export from an agriculture watershed in the Taihu Lake area, China, Environ / Geochem. and Hlth 26 : 199 ~ 207
Gburek, W. J / 1998 / Hydrological controls of phosphorous loss from upland agricultural watersheds / J. Environ. Qual 27 : 267 ~ 277
Coale, F. J. / 2000 / Phosphorus dynamics in soils of the Chesapeake Bay watershed: A primer / Agriculture and Phosphorus Management, Lewis : 43 ~ 55
Dils,R.M. / 1997 / Phosphorous fractions in hillslope hydrological pathways contributing to agricultural runoff / 박사 / University of Sheffield
Gao, C. / 2004 / Nitrogen export from an agriculture watershed in the Taihu Lake area, China, Environ / Geochem. and Hlth 26 : 199 ~ 207
Gburek, W. J / 1998 / Hydrological controls of phosphorous loss from upland agricultural watersheds / J. Environ. Qual 27 : 267 ~ 277
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