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2006•Journal of PLA University of Science and TechnologyRequires access

Spatial distribution of water quality parameters in Spring in Taihu lake estimated by Kriging interpolation

Zhengdong Deng

Open publisher page 1 citations

Abstract

In order to analyze the spatial distribution of water quality parameters of lakes.With Taihu lake as the study area,fifteen water quality parameters observed in twenty-six observation stations in April of 2004 were used,and then the concentration of these parameters,water temperature,SD,Ch1-a,DO,pH,BOD_5,COD_(Mn),COD_(Cr),NO_2-N,NO_3-N,NH_3-N,CL~-,SO_4~(2-),TN and TP analyzed.The Kriging interpolation was applied to estimate the water quality parameters spatial distributions.The result can directly reflect the spatial distribution of water quality parameters and the situation of pollution in Taihu lake.It showed that water quality parameters were correlated to some extent.The pollution of Meiliang gulf and Wuli lake located in the north of Taihu lake is the most serious area.

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What this paper is about

In order to analyze the spatial distribution of water quality parameters of lakes.With Taihu lake as the study area,fifteen water quality parameters observed in twenty-six observation stations in April of 2004 were used,and then the concentration of these parameters,water temperature,SD,Ch1-a,DO,pH,BOD_5,COD_(Mn),COD_(Cr),NO_2-N,NO_3-N,NH_3-N,CL~-,SO_4~(2-),TN and TP analyzed.The Kriging interpolation was applied to estimate the water quality parameters spatial distributions.The result can directly reflect the spatial distribution of water quality parameters and the situation of pollution in Taihu lake.It showed that water quality parameters were correlated to some extent.The pollution of Meiliang gulf and Wuli lake located in the north of Taihu lake is the most serious area.

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Available abstract

In order to analyze the spatial distribution of water quality parameters of lakes.With Taihu lake as the study area,fifteen water quality parameters observed in twenty-six observation stations in April of 2004 were used,and then the concentration of these parameters,water temperature,SD,Ch1-a,DO,pH,BOD_5,COD_(Mn),COD_(Cr),NO_2-N,NO_3-N,NH_3-N,CL~-,SO_4~(2-),TN and TP analyzed.The Kriging interpolation was applied to estimate the water quality parameters spatial distributions.The result can directly reflect the spatial distribution of water quality parameters and the situation of pollution in Taihu lake.It showed that water quality parameters were correlated to some extent.The pollution of Meiliang gulf and Wuli lake located in the north of Taihu lake is the most serious area.

Key concepts: Kriging, Environmental science, Water quality, Spatial distribution, Pollution, Hydrology (agriculture), Interpolation (computer graphics), Multivariate interpolation

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