Journal of Geology & Geophysics
Open Access

Indian Ports Association, Indian Statistical Institute, Indian Maritime University, Kolkata, West Bengal, India

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• Research   
  Comprehensive Assessment of Heavy Metals in Soils
  Author(s): Satyendra Nath Chakrabartty*
  
  Assessment of Heavy Metal (HM) pollution of soil could be index based or model driven. Each suffers from methodological limitations. Classification of regions with respect to different indices gave different results. The paper suggests an assumption-free method to get comprehensive index as geometric mean of chosen indices to reflect overall pollution status of HMs in soil as a Composite Index (CI), avoiding selection of weights and scaling. The proposed aggregation is applicable for all types of indices including those having skewed distributions and can be applied even for data with small sample size. With reduced level of substitutability among component indices, the method facilitates formation of chain indices, satisfies.. View More»
  DOI: 10.35248/2381-8719.23.12.1155

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