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Establishment the relationship between water quality parameter and micro plastic concentration for Adyar and Cooum estuary
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Researchers tested river water flowing into the ocean near Chennai, India, to see if common water quality measures (like temperature, acidity, or cloudiness) could predict how much microplastic pollution was present. Surprisingly, none of these standard tests were linked to microplastic levels, meaning water can look "clean" by normal standards while still containing plastic particles. This matters because it shows we can't rely on routine water testing alone to catch microplastic contamination, which is important since these particles can eventually make their way into seafood and drinking water.
Abstract Increasing micro plastic concentration in the marine environment is a severe threat to the marine ecosystem and indirectly to human society depending on the marine environment. Also, the surface and subsurface water quality parameters are the indicators of the usability of the water sources for human activities. The primary source of micro plastic is the water river systems from land to sea. This study establishes a correlation between water quality parameters and micro plastic concentration to find the most suitable quality parameter for finding the micro plastic concentration in urban coastal estuaries of Chennai coast, Tamil Nadu, India. Twenty samples from Adyar and Cooum estuaries were collected, with ten each on August 2019 and August 2020. They are tested for temperature pH, EC, Turbidity, TDS, DO, BOD, COD, Salinity and micro plastic concentrations. Correlation tests such as Pearson's and Spearman's are performed based on the initial Normality and Homogeneity test. The results show that all the parameters are significantly not correlated with the Micro plastic Concentration, and Micro plastic Concentration is considered an independent factor.
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