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http://dx.doi.org/10.5389/KSAE.2012.54.4.009

Characteristics and EMCs of NPS Pollutants Runoff from a Forest-Paddy Composite Watershed  

Song, In-Hong (서울대학교 농업생명과학대학 농업생명과학연구원)
Kang, Moon-Seong (서울대학교 조경.지역시스템공학부.농업생명과학연구원)
Hwang, Soon-Ho (서울대학교 조경.지역시스템공학부.농업생명과학연구원)
Song, Jung-Hun (서울대학교 조경.지역시스템공학부.농업생명과학연구원)
Publication Information
Journal of The Korean Society of Agricultural Engineers / v.54, no.4, 2012 , pp. 9-17 More about this Journal
Abstract
This study was aimed to characterize non-point source (NPS) pollutant runoff and estimate event mean concentrations (EMCs) from a small rural watershed located at the headwater area of the Gyeongan stream. The study watershed consists of the two major landuse, forest (72 %) and paddy field (28 %). The nine rainfall events ranging from 18.5 to 192.6 mm in amount were monitored in this study. Stream flow was measured at the watershed outlet using a water level gauge, while a number of water samples for each event were collected and analysed for water quality. Event pollutant loads varied greatly depending on rainfall events varying from 22.6 to 3,134.2 mg/L, 0.32 to 24.56 mg/L, 0.090 to 1.320 mg/L, and 2.3 to 149.8 mg/L for SS, TN, TP, and COD, correspondently. The respective mean EMCs were estimated by 104.2, 1.00, 0.168, and 7.9 mg/L. The Pearson correlation analysis showed that COD EMC was significantly correlated with those of SS, TN, and TP. Rainfall runoff ratio appeared to be negatively correlated with EMCs of SS, TP, and COD, although not statistically significant. The event loads from the largest rainfall was greater than the sum of those from the remaining eight events. The study results suggest that the appropriate management of intensified storm events are of greater importance in curbing NPS loads, while the estimated EMCs provide base data for the unit pollutant loads determination for the forest-paddy composite upstream watershed.
Keywords
EMC; NPS; pollutant; rural watershed; forest; paddy;
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Times Cited By KSCI : 11  (Citation Analysis)
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1 Kwak, D. H., S. J. Yoo, J. H. Kim, I. H. Lim, J. Y. Kwon, and P. G. Chung, 2008. Characteristics of non-point pollutant discharge from upper watershed of Seomjin Dam during rainy season. Journal of Korean Society of Water and Wastewater 22(1): 39-48 (in Korean).   과학기술학회마을
2 Lee, S. Y., M. C. Maniquiz, J. Y. Choi, and L. H Kim, 2009. Determination of EMCs for rainfall ranges from transportation landuses. Journal of Korean Wetlands Society 11(2): 67-76 (in Korean).   과학기술학회마을
3 ME (Ministry of Environment), 2006. Manual for the management of non-point source pollution (in Korean).
4 Choi, Y. Y., S. Y. Jung, and J. W. Choi, 2011. Nonpoint pollutants sources characteristics of initial surface runoff on the land use types. Journal of the Environmental Sciences 20(3): 417-426 (in Korean).   과학기술학회마을   DOI
5 Gunnerson, C. G., 1967. Stream flow and quality in the Columbia river basin. Proceeding of the American Society of Civil Engineers, Journal of Sanitary Engineering Division 93(SA6): 1-16.
6 HRERC (Han River Environment Research Center), 2009. Monitoring and evaluation report of non-point source pollution for the So-Yang and Do-Am Lake watersheds (in Korean).
7 Jang, S. H., and J. S. Park, 2005a. A study on the runoff characteristics of non-point source in urban watershed. Journal of the Environmental Sciences 14 (12): 1171-1176 (in Korean).   과학기술학회마을   DOI
8 Shin, D. S., and S. K. Kwun, 1990. The concentration and input/output of nitrogen and phosphorus in paddy fields. Korean Journal of Environmental Agriculture 9(2): 133-141 (in Korean).   과학기술학회마을
9 Roh, S. D., J. H. Kim, D. K. Lee, S. J. Kim, B. Y. Sohn, and Y. K. Chun, 2006. Characteristics of pollutants discharge from Hoengseong watershed during the dry and rainy seasons. Journal of Korean Society on Water Quality 22(4): 695-705 (in Korean).   과학기술학회마을
10 Sansalone, J. J., and C. M. Cristina, 2004. First flush concepts for suspended and dissolved solids in small impervious watersheds. Journal of Environmental Engineering 130(11): 1301-1314.   DOI   ScienceOn
11 Shin, C. M, J. Y. Choi, and C. H. Park, 2004. Characteristics of non-point pollution discharge with land use in urban area. Journal of KSEE 26(7): 729- 735 (in Korean).   과학기술학회마을
12 Shin, D. S., 2007. Basic monitoring concept for revised unit-load on NPS. Journal of Korean Society on Water Quality 23(4): 429-433 (in Korean).   과학기술학회마을
13 USEPA, 1992, NPDES storm water sampling guidance document. Office of Water, EPA 833-8-92-001.
14 Yoon, C. G., B. H. Kim, J. H. Jeon, and H. S. Hwang, 2002. Characteristics of pollutant runoff from groundwater-irrigated paddy fields. Journal of the Korean Society of Agricultural Engineers 41(2): 116-126 (in Korean).
15 Kang, C. G., S. Lee, J. B. Gorme, J. U. Lee, and L. Y. Kim, 2009. Determination of EMC and washoff characteristics of stormwater runoff from broad-leaved forest Areas. Journal of Environmental Impact Assessment 18(6): 393-399 (in Korean).   과학기술학회마을
16 Yoon, C. G., H. Hwang, J. Jeon, and J. H. Ham, 2003. Analysis of nutrients balance during paddy rice cultivation. Korean Journal of Limnology 36(1): 66-73 (in Korean).   과학기술학회마을
17 Jang, S. H., and J. S. Park, 2005b. Runoff characteristics of non-point source according to rainfall in Nam watershed. Korean Journal of Environmental Health 31(1): 1-6 (in Korean).   과학기술학회마을
18 Jin, S. H. J. W. Jung, K. S. Yoon, W. J. Choi, D. H. Choi, S. D. Kim, J. H Kang, and Y. J. Choi, 2010. Probability distribution of BOD EMC from paddy fields. Journal of the Environmental Sciences 19(9): 1153- 1159 (in Korean).   과학기술학회마을   DOI
19 Kim, L. H., S. O, Koh, B. S, Lee, and S. Kim, 2006. Estimation of pollutant EMCs and loadings in highway runoff. KSCE Journal of Civil Engineering 26(2B): 225-231 (in Korean).   과학기술학회마을
20 Kim, G., 2008. Discharge characteristics of indicator microorganisms from agricultural-forestry watersheds. KSCE Journal of Civil Engineering 28(1B): 153-160 (in Korean).   과학기술학회마을
21 Koo, B. K., 1988. A study on the analysis of land use and water quality relationships: Case study of Lake Euiam watershed. MS Thesis, Seoul National University: 14-28 (in Korean).