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Distributions of Nitrogen and Phosphorus in the Sediment from Liangzi Lake

Hanfeng Xiong

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Abstract

Different forms of N and P in the three sediment cores from Liangzi Lake were measured.The results showed that the content of nitrogen and phosphorus in the sediment core 3 were higher than that in sediment core 1 and 2.The content of NO3--N in pore water decreased obviously,but the content of NH4+-N and total phosphorus in pore water significantly increased with depth.The content of total nitrogen,organic nitrogen,total phosphorus and phosphorus types in the sediment were obviously decreased with depth.The content of NH4+-N in the sediment was significantly increased with depth.

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What this paper is about

Different forms of N and P in the three sediment cores from Liangzi Lake were measured.The results showed that the content of nitrogen and phosphorus in the sediment core 3 were higher than that in sediment core 1 and 2.The content of NO3--N in pore water decreased obviously,but the content of NH4+-N and total phosphorus in pore water significantly increased with depth.The content of total nitrogen,organic nitrogen,total phosphorus and phosphorus types in the sediment were obviously decreased with depth.The content of NH4+-N in the sediment was significantly increased with depth.

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Available abstract

Different forms of N and P in the three sediment cores from Liangzi Lake were measured.The results showed that the content of nitrogen and phosphorus in the sediment core 3 were higher than that in sediment core 1 and 2.The content of NO3--N in pore water decreased obviously,but the content of NH4+-N and total phosphorus in pore water significantly increased with depth.The content of total nitrogen,organic nitrogen,total phosphorus and phosphorus types in the sediment were obviously decreased with depth.The content of NH4+-N in the sediment was significantly increased with depth.

Key concepts: Sediment, Phosphorus, Nitrogen, Sediment core, Environmental chemistry, Pore water pressure, Environmental science, Chemistry

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