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<p>This study investigates the textural characteristics and heavy metal contamination in beach sediments at Mullakadu Beach, Tuticorin Coast, Southeast India. Fifteen sediment samples were analyzed in terms of grain size distribution, including mean size, standard deviation, skewness and kurtosis, to understand the depositional environment and hydrodynamic processes. The results indicate a mixture of coarse and fine fractions influenced by both high-energy and low-energy conditions such as tides and currents, with sediments ranging from mesokurtic to leptokurtic. Analysis of heavy metals revealed significant contamination, with high levels of Fe, Mn, Zn, Pb and Cu exceeding naturally occurring background levels. The sediments are extremely contaminated, mainly as a result of human activities, including industrial effluents, urban runoff and maritime traffic. This is evident from pollution indices such as the average values for the enrichment factor (EF) Mn 59.82, Zn 33.81, Pb 59.82, Cu 33.64 and the average values for the contamination factor (CF) Fe 0.51Mn 2.7, Zn.17.36, Pb 30, Cu 14.3. igeo average values Mn 20.46, Pb 13.03, Zn 16.72, Cu 14.55, Ni 12.96, Cr 16.67 PLi average values Mn 3.26, Zn 22.14, Pb 40.23 Cu 21.94. To mitigate the effects of heavy metal pollution and save the coastal ecology, this study emphasizes the need for efficient coastal management techniques.</p>

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Metal Footprints Imprinted in the Textural Traits of Mullakadu Beach Sediments, Tuticorin Coast, India

  • 期刊论文

  • 发表日期：

    2025年8月7日

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  • Vigneshwar Jeyasingh,
  • Ramkumar Thirunavukkarasu,
  • Vasudevan Sivaprakasam,
  • Sathiyamoorthy Gunasekaran,
  • Baranidharan Sathyanarayanan,
  • Venkatramanan Senapathi

摘要

This study investigates the textural characteristics and heavy metal contamination in beach sediments at Mullakadu Beach, Tuticorin Coast, Southeast India. Fifteen sediment samples were analyzed in terms of grain size distribution, including mean size, standard deviation, skewness and kurtosis, to understand the depositional environment and hydrodynamic processes. The results indicate a mixture of coarse and fine fractions influenced by both high-energy and low-energy conditions such as tides and currents, with sediments ranging from mesokurtic to leptokurtic. Analysis of heavy metals revealed significant contamination, with high levels of Fe, Mn, Zn, Pb and Cu exceeding naturally occurring background levels. The sediments are extremely contaminated, mainly as a result of human activities, including industrial effluents, urban runoff and maritime traffic. This is evident from pollution indices such as the average values for the enrichment factor (EF) Mn 59.82, Zn 33.81, Pb 59.82, Cu 33.64 and the average values for the contamination factor (CF) Fe 0.51Mn 2.7, Zn.17.36, Pb 30, Cu 14.3. igeo average values Mn 20.46, Pb 13.03, Zn 16.72, Cu 14.55, Ni 12.96, Cr 16.67 PLi average values Mn 3.26, Zn 22.14, Pb 40.23 Cu 21.94. To mitigate the effects of heavy metal pollution and save the coastal ecology, this study emphasizes the need for efficient coastal management techniques.