Seasonal variations of heavy metal contamination in river Gomti of Lucknow city region

The present study deals with the seasonal variations in the concentrations of heavy metals namely chromium, lead and mercury by using spectrophotometric methods. The water samples were collected at regular intervals from five selected sites of river Gomti in the pre-monsoon period (months of Februar...

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Published in:Environmental monitoring and assessment 2008-12, Vol.147 (1-3), p.253-263
Main Authors: Lohani, Minaxi B, Singh, Amarika, Rupainwar, D. C, Dhar, D. N
Format: Article
Language:English
Subjects:
Applied sciences
Atmospheric Protection/Air Quality Control/Air Pollution
Chromium
Cities
Coefficient of variation
Contamination
Continental surface waters
Earth and Environmental Science
Earth sciences
Earth, ocean, space
Ecology
Ecotoxicology
Engineering and environment geology. Geothermics
Environment
Environmental Management
Environmental monitoring
Environmental Monitoring - methods
Exact sciences and technology
Freshwater
Gomti
Heavy metals
India
Lead
Mercury
Metal concentrations
Metals
Metals, Heavy - analysis
Monitoring/Environmental Analysis
Monsoons
Natural water pollution
Pollution
Pollution, environment geology
Post-monsoon
Pre-monsoon
Rivers
Rivers - chemistry
Seasonal variations
Seasons
Spectral analysis
Spectrophotometric determination
Statistical analysis
Studies
Water analysis
Water Pollutants, Chemical - analysis
Water pollution
Water sampling
Water treatment and pollution
Wind
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description The present study deals with the seasonal variations in the concentrations of heavy metals namely chromium, lead and mercury by using spectrophotometric methods. The water samples were collected at regular intervals from five selected sites of river Gomti in the pre-monsoon period (months of February-May) and the post monsoon period (months of October-January). The concentrations of chromium (VI) and mercury (II) were determined by using Genesys-10 UV-VIS Spectrophotometer while lead (II) concentrations were determined using Atomic Absorption Spectrophotometer, Perkin-Elmer 5000 model. The concentrations of all the three metals were found to be higher in the pre-monsoon period than in the post-monsoon period. The statistical analysis of the data was discussed in both the seasons in terms of mean, standard deviation and coefficient of variation.
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subjects Applied sciences
Atmospheric Protection/Air Quality Control/Air Pollution
Chromium
Cities
Coefficient of variation
Contamination
Continental surface waters
Earth and Environmental Science
Earth sciences
Earth, ocean, space
Ecology
Ecotoxicology
Engineering and environment geology. Geothermics
Environment
Environmental Management
Environmental monitoring
Environmental Monitoring - methods
Exact sciences and technology
Freshwater
Gomti
Heavy metals
India
Lead
Mercury
Metal concentrations
Metals
Metals, Heavy - analysis
Monitoring/Environmental Analysis
Monsoons
Natural water pollution
Pollution
Pollution, environment geology
Post-monsoon
Pre-monsoon
Rivers
Rivers - chemistry
Seasonal variations
Seasons
Spectral analysis
Spectrophotometric determination
Statistical analysis
Studies
Water analysis
Water Pollutants, Chemical - analysis
Water pollution
Water sampling
Water treatment and pollution
Wind
title Seasonal variations of heavy metal contamination in river Gomti of Lucknow city region
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