浅い富栄養湖の水質に及ぼす気象の影響

概要

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The relationship between meteorological conditions and lake water quality was investigated on the basis of 17-years monitoring data on lake and influent river water quality and meteorological data obtained for a shallow eutrophic lake, Lake Kasumigaura. In order to neglect the yearly trend in watershed environment, the availability of the comparison method between successive 2 years was validated with the correlation method between meteorological conditions and lake water quality after excluding the change in water quality of influent rivers. Using this comparison method, we are able to predict quantitatively the water quality change due to change in meteorological conditions and then have confirmed that an increase in air temperature possibly caused by global warming will result in the deterioration of lake water quality such as increase in COD, decrease in transparency.
社団法人　日本水環境学会の論文
1998-03-10