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Assessment of the impact of COVID‐19 lockdown on the heavy metal pollution in the River Gomti, Lucknow city, Uttar Pradesh, India
Author(s) -
Khan Ramsha,
Saxena Abhishek,
Shukla Saurabh
Publication year - 2021
Publication title -
environmental quality management
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.249
H-Index - 27
eISSN - 1520-6483
pISSN - 1088-1913
DOI - 10.1002/tqem.21746
Subject(s) - uttar pradesh , agriculture , pollution , heavy metals , veterinary medicine , surface runoff , environmental science , crop , toxicology , environmental engineering , geography , environmental chemistry , water resource management , socioeconomics , biology , chemistry , ecology , forestry , medicine , sociology
In the current study, attempts were made to analyze the effect of COVID‐19 lockdown on the heavy metal concentrations in River Gomti through comparison with pre‐COVID‐19 lockdown status. The concentration of all the six heavy metals (As, Cd, Cr, Fe, Mn, and Pb) clearly shows a significant reduction, highlighting the impact of closure of agricultural, industrial, and commercial activities. The values of heavy metal pollution index (HPI) at all sites have also decreased with the maximum improvement at Site S1 (Chandrika Devi), signifying the impact of reduced agricultural runoff into the river from nearby fields. The correlation analysis stated a strong correlation between HPI and Cd, signifying the relatively high weightage of Cd in pollution levels. Findings from the Caboi diagram suggest classification of all water samples under the “near neutral‐low metal” category.