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득량만 퇴적물로부터 영양염 용출 평가

Estimation of Nutrients Released from Sediments of Deukryang Bay

Abstract

The purpose of the present study is to estimate the release of dissolved Inorganic nitrogen and photophorous from sediments of Deukryang Bay. One method used In this study is to calculate nutrients released from a concentration gradient between sediment porewaters and the overlying water based on periments. The calculated and measured ammonium released from the sediments were 8.93mg-atN/$m^2$ hr and 60.4mg/atN/$m^2$ hr, respectively In July. 8.57mg-atN/$m^2$. hr and 32.9mg/atN/$m^2$ hr, respectively in October. The ammonium was released more highly in truly than in October, and the measured ammonium flux was higher than the calculated one. The calculated nitrate plus nitrite released from the sediments were 0.31mg/atN/$m^2$. hr in July and 0.84mg/atN/$m^2$. hr in October. The measured nitrate plus nitrite released from the sediments was 282mg/atN/$m^2$. hr in October. The calcuated was lower than the measured because the content of the nutrients in the sediments was always much more than in the overlying waters, and it has shown a differently seasonal pattern compared to the ammonium flux. The calculated phosphorous released from the sediments were 0.97mP/atN/$m^2$ hr and measured negative fluxed -6.50mP/atN/$m^3$ hr In truly, and alculated 0.18mg/atP/$m^2$. hr and measured 24.6mg/atP/$m^2$. hr, respectively in October.

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참고문헌 (17)

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이 논문을 인용한 문헌 (2)

  1. 1999. "The Characteristics on the Spatio-temporal Distributions of Phytoplankton Communities in Deukryang Bay, Southwestern Korea" 환경생물 = Korean journal of environmental biology, 17(4): 481~492 
  2. 2003. "On the Spatio-temporal Distribution of Phytoplankton Community in the Southwestern Parts of Deukryang Bay, South Korea" 환경생물 = Korean journal of environmental biology, 21(1): 8~17 

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