Chemical characteristics of coastal rainwater from Puducherry to Neithavasal, Southeastern coast of India

The chemistry of the rainwater indirectly reflects the composition of the ions in the atmosphere. The study of the rainwater gains its own importance as it forms the basis for the agricultural, domestic and drinking water. Twelve rainwater samples were collected along the southeastern coast of India...

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Main Authors: Chidambaram, S., Paramaguru, P., Prasanna, Mohan Viswanathan, Karmegam, U., Manikandan, S.
Format: Journal Article
Published: Springer 2014
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/29209
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author Chidambaram, S.
Paramaguru, P.
Prasanna, Mohan Viswanathan
Karmegam, U.
Manikandan, S.
author_facet Chidambaram, S.
Paramaguru, P.
Prasanna, Mohan Viswanathan
Karmegam, U.
Manikandan, S.
author_sort Chidambaram, S.
building Curtin Institutional Repository
collection Online Access
description The chemistry of the rainwater indirectly reflects the composition of the ions in the atmosphere. The study of the rainwater gains its own importance as it forms the basis for the agricultural, domestic and drinking water. Twelve rainwater samples were collected along the southeastern coast of India during southwest monsoon. The samples were analyzed for the major anions (Cl−, SO4 2−, PO4 3− and HCO3 −) and cations (Na+, K+, Ca2+ and Mg2+). The majority of the samples reflect acidic pH. The general dominance of the cations is in the order of Na+ > Ca2+ > K+ > Mg2+ and that of anions is HCO3 − > Cl− > SO4 2− > PO4 3−. The water is classified as calcium bicarbonate to sodium bicarbonate type. The decrease of pH value also increases the pCO2. In order to study the impact of acidic and alkaline species on rainwater, correlation coefficients were determined for establishing the relationship between different ions. Good correlation was established between cations, and sulfate has no correlation with other ions and pH. Factor analysis reveals that land use pattern, marine source and methanogenesis from the tidal influenced mangroves play a major role in determining the rainwater chemistry of the region.
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spelling curtin-20.500.11937-292092017-09-13T15:23:54Z Chemical characteristics of coastal rainwater from Puducherry to Neithavasal, Southeastern coast of India Chidambaram, S. Paramaguru, P. Prasanna, Mohan Viswanathan Karmegam, U. Manikandan, S. Rainwater South India Factor analysis pCO2 pH The chemistry of the rainwater indirectly reflects the composition of the ions in the atmosphere. The study of the rainwater gains its own importance as it forms the basis for the agricultural, domestic and drinking water. Twelve rainwater samples were collected along the southeastern coast of India during southwest monsoon. The samples were analyzed for the major anions (Cl−, SO4 2−, PO4 3− and HCO3 −) and cations (Na+, K+, Ca2+ and Mg2+). The majority of the samples reflect acidic pH. The general dominance of the cations is in the order of Na+ > Ca2+ > K+ > Mg2+ and that of anions is HCO3 − > Cl− > SO4 2− > PO4 3−. The water is classified as calcium bicarbonate to sodium bicarbonate type. The decrease of pH value also increases the pCO2. In order to study the impact of acidic and alkaline species on rainwater, correlation coefficients were determined for establishing the relationship between different ions. Good correlation was established between cations, and sulfate has no correlation with other ions and pH. Factor analysis reveals that land use pattern, marine source and methanogenesis from the tidal influenced mangroves play a major role in determining the rainwater chemistry of the region. 2014 Journal Article http://hdl.handle.net/20.500.11937/29209 10.1007/s12665-013-2976-9 Springer restricted
spellingShingle Rainwater
South India
Factor analysis
pCO2
pH
Chidambaram, S.
Paramaguru, P.
Prasanna, Mohan Viswanathan
Karmegam, U.
Manikandan, S.
Chemical characteristics of coastal rainwater from Puducherry to Neithavasal, Southeastern coast of India
title Chemical characteristics of coastal rainwater from Puducherry to Neithavasal, Southeastern coast of India
title_full Chemical characteristics of coastal rainwater from Puducherry to Neithavasal, Southeastern coast of India
title_fullStr Chemical characteristics of coastal rainwater from Puducherry to Neithavasal, Southeastern coast of India
title_full_unstemmed Chemical characteristics of coastal rainwater from Puducherry to Neithavasal, Southeastern coast of India
title_short Chemical characteristics of coastal rainwater from Puducherry to Neithavasal, Southeastern coast of India
title_sort chemical characteristics of coastal rainwater from puducherry to neithavasal, southeastern coast of india
topic Rainwater
South India
Factor analysis
pCO2
pH
url http://hdl.handle.net/20.500.11937/29209