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Adsorption and release of phosphorus in sediments of the Changjiang Estuary

Hong Yang

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Abstract

WTStudy on adsorption and release of phosphorus in sediments of the Changjiang Estuary was made. The results show that the release of phosphorus in the sediments of the Changjiang Estuary is a little. The re-release is slow after great adsorption of the sediments. Balance point of adsorption and release of phosphorus in the sediments is 0.038～0.085μg/mL by measurement. The phosphorus value is higher in upper water than in bottom water. The release phosphorus from the sediments to upper water in Changjiang Estuary was calculated.

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What this paper is about

WTStudy on adsorption and release of phosphorus in sediments of the Changjiang Estuary was made. The results show that the release of phosphorus in the sediments of the Changjiang Estuary is a little. The re-release is slow after great adsorption of the sediments. Balance point of adsorption and release of phosphorus in the sediments is 0.038～0.085μg/mL by measurement. The phosphorus value is higher in upper water than in bottom water. The release phosphorus from the sediments to upper water in Changjiang Estuary was calculated.

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Available abstract

WTStudy on adsorption and release of phosphorus in sediments of the Changjiang Estuary was made. The results show that the release of phosphorus in the sediments of the Changjiang Estuary is a little. The re-release is slow after great adsorption of the sediments. Balance point of adsorption and release of phosphorus in the sediments is 0.038～0.085μg/mL by measurement. The phosphorus value is higher in upper water than in bottom water. The release phosphorus from the sediments to upper water in Changjiang Estuary was calculated.

Key concepts: Estuary, Phosphorus, Adsorption, Sediment, Environmental chemistry, Environmental science, Hydrology (agriculture), Chemistry

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