Seasonal Variations of the Water Quality in the Xinlicheng Reservoir, China

Abstract:

The water quality of Xinlicheng Reservoir was studied over a 4-year period (2008-2011) on seasonal variations by SPSS nonparametric tests of significance and principle component analysis (PCA). Most selected water quality variables except total nitrogen (TN) and permanganate index (COD_Mn) exhibited significantly seasonal variations. Multiple group variables were reduced to 2 components by PCA: biotic factor and trophic factor, fluctuating with seasonal variations. The composite scores between seasons from PCA showed the comprehensive water quality was better during the dry season than during the wet season. A synchronizing regional response of water quality is associated with hydrological and geochemical processes, climatic conditions driven by monsoon climate, and anthropogenic influences, such as sewage discharges, agricultural activities and artificial regulation.

• Periodical: Advanced Materials Research (Volumes 864-867)
• Pages: 2408-2412
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.864-867.2408
• Online since: December 2013
• Authors: Xian Fu Zhang*, Chang Lai Xiao, Yong Qing Li
• Keywords: Principle Component, Reservoir, Seasonal Variation, Water Quality

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