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Removal and Release Velocities of Nutrients by Submerged Plants in Flood Control Reservoirs around Juam Lake
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 Title & Authors
Removal and Release Velocities of Nutrients by Submerged Plants in Flood Control Reservoirs around Juam Lake
Han, Jong-Hak; Seo, Dong-Cheol; Kim, Sang-Don; Kang, Se-Won; Lim, Byung-Jin; Park, Jong-Hwan; Kim, Kap-Soon; Lee, Jun-Bae; Kim, Hyun-Ook; Heo, Jong-Soo; Cho, Ju-Sik;
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 Abstract
BACKGROUND: Eutrophication occurs occasionally in flood control reservoirs around Juam lake in summer and early autumn. Lakeside macrophyte which is one of internal pollutants effects on water quality when it is submerged during water surface is rising after rainy season. METHODS AND RESULTS: To improve water the quality of water from water supply source and to establish the management plan of submerged plants in flood control reservoirs around Juam Lake, the removal and release velocities of nutrients by submerged plants in site 1 and 2 were investigated. Removal or release velocity constant (K) of COD by Carex dimorpholepis Steud in column was 0.07~0.18 at 0~4 days after flooding, -0.23~-0.17 at 5~19 days after flooding and -0.28~0.03 at 20~33 days after flooding. Removal or release velocity constant (K) of T-N by Carex dimorpholepis Steud was 0.02 at 0~4(8) days after flooding, -0.13~-0.10 at 5(9)~33 days after flooding in column. Removal or release velocity constant (K) of T-P by Carex dimorpholepis Steud was 0.05~0.06 at 0~4 days after flooding, -0.14~-0.09 at 5~33 days after flooding. Release velocity constant (K) of nutrients by Miscanthus sacchariflorus Benth was lower than that by Carex dimorpholepis Steud. In site 1, the amount of nutrients release by Carex dimorpholepis Steud was 6,719 kg/month/area for COD, 2,397 kg/month/area for T-N and 466 kg/month/area for T-P. The amounts of nutrients release by Carex dimorpholepis Steud were higher than those by Miscanthus sacchariflorus Benth in both sites. CONCLUSION(s): The results of this study suggest that COD, T-N and T-P in water quality of Juam lake were strongly influenced by submerged plants in flood control reservoirs.
 Keywords
Flood control reservoir;Nutrient;Release velocity;Removal velocity;Submerged Plant;
 Language
Korean
 Cited by
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주암호 홍수조절지내 침수식물체별 생육특성과 영양염류 부하량,서영진;서동철;최익원;임병진;박종환;김갑순;이준배;강석진;허종수;조주식;

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2.
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한국토양비료학회지, 2012. vol.45. 5, pp.810-816 crossref(new window)
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주암호 복내 저수구역내 침수 자생식물의 질소 및 인 모니터링,강세원;서동철;이상규;서영진;박주왕;최익원;박종환;임병진;허종수;조주식;

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Growth Characteristics and Nutrient Loads of Submerged Plants in Flood Control Reservoir around Juam Lake, Korean Journal of Soil Science and Fertilizer, 2011, 44, 5, 922  crossref(new windwow)
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