Browse > Article
http://dx.doi.org/10.5322/JESI.2014.23.3.433

Spatial and Temporal Variations of Water Quality in an Urban Miho Stream and Some Influences of the Tributaries on the Water Quality  

Kim, Ji-Il (Department of Biological Sciences, College of Biosciences and Biotechnology, Chungnam National University)
Choi, Ji-Woong (Department of Biological Sciences, College of Biosciences and Biotechnology, Chungnam National University)
An, Kwang-Guk (Department of Biological Sciences, College of Biosciences and Biotechnology, Chungnam National University)
Publication Information
Journal of Environmental Science International / v.23, no.3, 2014 , pp. 433-445 More about this Journal
Abstract
The objective of study was to analyze seasonal and inter-annual patterns of water chemistry of Miho Stream watershed during 2004 - 2007 along with some influences of tributaries and summer monsoon on the stream water quality. For the study, eight physico-chemical parameters such as nitrogen, phosphorus, BOD, COD and chlorophyll-a (CHL) etc. were analyzed in relation to spatial and temporal variability of seven sampling sites of the mainstream and some tributaries in the watershed. In the upstream reach, Mean of BOD, COD and TP averaged 3.2 mg/L, 6.5 mg/L and $186{\mu}g/L$, respectively, indicating an eutrophic conditions as a III-rank in the stream water quality criteria from the Ministry of Environment, Korea(MEK). The eutrophic water was due to a combined effect of Chiljang tributary with high nutrients ($TP=844{\mu}g/L$, TN=8.087 mg/L) and the point sources from some wastewater treatment plants. In the meantime, BOD, TN, and TP in the downstream reach were about > 1.2-1.5 folds than the values of the midstream reaches. This was mainly attributed to effluents of nutrient rich-water (mean TN: 11.980 mg/L) from two tributaries of Musim Stream and Suknam Stream, which is directly influenced by nearby wastewater disposal plants. Seasonal analysis of water chemistry showed that summer monsoon rainfall was one of the important factors influencing the water quality, and water quality had a large spatial heterogeneity during the rainfall period. In the premonsoon, BOD in the downstream averaged $6.0{\pm}2.47mg/L$, which was 1.4-fold greater than the mean of upstream reach. Mean of CHL-a as an indicator of primary productivity in the water body, was > 2.2 - 2.9 fold in the downstream than in the upstream, and this was a result of the high phosphorus loading from the watershed. Overall, our data suggest that some nutrient controls in point-source tributary streams are required for efficient water quality management of Miho Stream.
Keywords
Water quality; Tributaries; Urban stream; Nutrients;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
연도 인용수 순위
1 An, K. G., Yang, W. M., 2007, Water quality characteristics in Keum river watershed, Korean J. Limnol., 40(1), 110-120.   과학기술학회마을
2 Cho, H. 2009, Sand-gravel bars of mountainous rivers and their genetic association with geomorphological traits of drainage basin, Ph.D. Dissertation, Korea National University of Education, Chungbuk, 116-121.
3 Chung, S. J., Chae, S. J., 2001, Water quality analysis of Miho stream, J. Industrial science researches, 18(2), 37-42.
4 Jeon, H. G., 1994, A survey on the water quality and heavy metal contents of the water and plant in Mihochun, M. Sc. Dissertation, Kongju National University, Gongju, 33-35.
5 Kim, J. S., Yang, T. U., Yun, S. J., 2001, Survey of water pollution in Geum river watershed. In: Research report of the environmental status in Chungnam province, Chungnam Institute of Health and Environment, 55-60.
6 Kang, S. A., An, K. G., 2006, Spatio-temporal variation analysis of physico-chemical water quality in the Yeongsan river watershed, Korean J. Limnol., 39(1), 73-84.   과학기술학회마을
7 Kim, H. M., Lee, J. H., An, K. G., 2008, Water quality and ecosystem health assessments in urban stream ecosystems, Korean J. Environ. Biol., 26(4), 311-322.   과학기술학회마을
8 Kim, T. K., 2004, Assessment of propriety for the river water quality standard of Miho Stream, J. Industrial science researches, 21(2), 189-196.
9 Kim, Y. P., An, K. G., 2010, Characteristics of water quality in Hyeongsan river watershed, Korean J. Limnol., 43(1), 150-160.   과학기술학회마을
10 Lee, J. H., An, K. G., 2010, Ecological health assessment based on fish assemblages along with total Mercury concentration of Zacco platypus in Miho stream, Korean J. Limnol., 43(2), 288-297.
11 Lee, M. J., Choi, J. W., Kim, H. M., An, K. G., 2009, Analysis of physical, chemical and biological parameters, based on long term monitoring(2004-2007), in Daejeon stream, Korean J. Limnol., 42(3), 364-373.   과학기술학회마을
12 MOE(Ministry of Environment), 2011, Report of the national water quality assessment, 5-66.
13 Noh, J. W., Lee, S. U., 2007, Water quality projection of Miho stream considering TMDL, J. Korean Soc. Water Environ., 404-412.
14 Son, J. S., 2010, Application of a watershed model for evaluating efficiencies of non-point pollutants reduction facility, M. Sc. Dissertation, Chongju University, Cheongju, 125-128.
15 OECD, 1982, Eutrophication of waters, monitoring, assessment and control, Organization for Economic Co-operation and Development, Paris, France, 1544.
16 Oh, K. S., Yang, J. H., Cho, H., 2011, Geomorphological significance and role of the sand bars of major river valleys in the South Korea -case study on the Nakdong river valleys-, J. Korean Geomorphological Association, 18(2), 10-12.
17 Park, S. M., 2009, The impact of monsoon rainfall on the changes of water quality in the upstream watershed of Southern Han River, M. Sc. Dissertation, Sangji University, Wonju, 49-50.
18 Park, Y. T., 1989, A study on water quality and distribution of benthic algae in the Miho stream, M. Sc. Dissertation, Chongju University, Cheongju, 30.
19 Rim, C. S., Shin, J. K., Cho, K. J., 2000, The trend and assessment of water pollution from midstream to downstream of the Kum river, Korean J. Limnol., 33(1), 51-60.   과학기술학회마을
20 Shin, S. M., 2001, The research on the water quality of the Miho stream, M. Sc. Dissertation, Korea National University of Education, Cheongwongun, 3-4.
21 Water management information system(WAMIS), 2007, http://www.wamis.go.kr.
22 Chae, S. J., 1992, A study on water quality at Miho stream, M. Sc. Dissertation, Chongju University, Cheongju, 3-19.
23 Jeon, H. T., Moon, H. S., Kim, K. H., 1998, Environmental Geography, Seoul National University Publishing Co., Ltd., Seoul, Korea, 145-171.