동진강 해역 표증 퇴적물 중 인의 화학적 형태별 함량
Fractions of Phosphorus in the Surficial Sediment of Dongjin Sea Area
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Abstract
The present study was carried out to investigate the P fractions of surfical sediment of Dongjin sea area. Furthermore, potential released loading of adsorbed and non-apatite inorganic phosphorus were investigated in the sediment of Dongjin sea area. The contents of phosphorus fractions of the surficial sediment in Dongjin sea area were adsorbed-P 0.06%, nonapatite inorganic-P 13.02%, apatite-P 60.22%, and residual-P 26.70%. The most abundant fraction was apatite-P, residual-P, nonapatite inorganic-P, and adsorbed-P followed it. Potential released loading of adsorbed and non-apatite inorganic phosphorus surveyed 2.6 and 597ton, respectively. These results show that sediment-managing and interception from external pollution are needed for water environmental maintenance of Dongjin sea area.
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