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A Study on the Inflowing Pollution Load and Material Budgets in Hampyeong Bay
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 Title & Authors
A Study on the Inflowing Pollution Load and Material Budgets in Hampyeong Bay
Kim, Jong-Gu; Jang, Hyo-Sang;
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 Abstract
In this paper, an analysis of the inflowing pollution load of the rivers in Hampyeong bay showed the average organic matter pollution loads of BOD, COD, and TOC to be 79.7 kg-BOD/day, 144.06 kg-COD/day, and 93.0 kg-TOC/day, respectively. The inflowing organic matter pollution load was the heaviest in Sonbul dike, followed by Jupo bridge and Yangman complex. With regard to season, the load characteristics were outstanding in July, the rainy period in the summer. The average inflowing pollution loads of nutrients were 20.9 kg-DIN/day, 17.1 kg-DIP/day, 148 kg-TN/day, and 37.4 kg-TP/day A comparison of the inflowing nutrients loads for each river showed the load to be the heaviest in Yangman complex, followed by Baegok bridge and Jupo bridge. In the experiment on the material budgets of Hampyeong bridge conducted using a box model, the detention time of fresh water was found to be 52.4 days, with the bay displaying the characteristics of a so dissolved inorganic nitrogen (DIN) in the nutrients material budgets, values were found to be negative, indicating the tendency of consumption and open sea leak by photosynthesis to be higher than the nitrogen that flowed in. As for dissolved inorganic phosphorus (DIP), showed positive values, indicating a tendency for accumulation as the supply through organic matter decomposition, elution load of sediments, and inflowing load of the river turned out to be higher than the consumption by phytoplankton and outflow to open sea.
 Keywords
Hampyeong bay;Organic matter;Pollution load;Nutrient material budget;Box model;Detention time;
 Language
Korean
 Cited by
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Wave Modeling considering Water Level Changes and Currents Effects, Journal of Korean Society of Coastal and Ocean Engineers, 2016, 28, 6, 383  crossref(new windwow)
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