NDLI: Source speciation resolving hydrochemical complexity of coastal aquifers.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Sonkamble, Sahebrao Chandra, Subash Ahmed, Shakeel Rangarajan, R.
Spatial Coverage	India
Description	Author Affiliation: Sonkamble S ( Indo-French Centre for Groundwater Research, CSIR-National Geophysical Research Institute, Hyderabad 500 007, India. Electronic address: sahebrao.ngri@gmail.com.); Chandra S ( Indo-French Centre for Groundwater Research, CSIR-National Geophysical Research Institute, Hyderabad 500 007, India.); Ahmed S ( Indo-French Centre for Groundwater Research, CSIR-National Geophysical Research Institute, Hyderabad 500 007, India.); Rangarajan R ( Indo-French Centre for Groundwater Research, CSIR-National Geophysical Research Institute, Hyderabad 500 007, India.)
Abstract	There is a growing concern of seawater intrusion to freshwater aquifers due to groundwater overexploitation in the eastern coastal belt of Southern India. The problem becomes complex in the regions where industrial effluents are also contaminating the freshwater aquifers. In order to understand the hydrochemical complexity of the system, topographic elevation, static water level measurements, major ion chemistry, ionic cross plots, water type contours and factor analysis were applied for 144 groundwater samples of shallow and deep sources from Quaternary and Tertiary coastal aquifers, located within the industrial zone of 25 km(2) area near Cuddalore, Southern India. The ionic cross plots indicates dissolution of halite minerals from marine sources and seawater mixing into inland aquifers up to the level of 9.3%. The factor analysis explains three significant factors totaling 86.3% of cumulative sample variance which includes varying contribution from marine, industrial effluent and freshwater sources.
File Format	HTM / HTML
ISSN	0025326X
Issue Number	1-2
Volume Number	78
e-ISSN	18793363
Journal	Marine Pollution Bulletin
Language	English
Publisher	Elsevier
Publisher Date	2014-01-15
Publisher Place	Great Britain (UK)
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Biology Environmental Monitoring Groundwater Chemistry Seawater Analysis Water Pollutants, Chemical India Salinity Sodium Chloride Journal Article
Content Type	Text
Resource Type	Article
Subject	Pollution Aquatic Science Oceanography

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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