Selvam .S

Selvam .S
V.O.Chidambaram College, Tuticorin · Department of Geology

M.Sc Ph.D (NET & SET Qualified)
Top 2% Researcher listed by Sandford University

About

193
Publications
107,825
Reads
How we measure 'reads'
A 'read' is counted each time someone views a publication summary (such as the title, abstract, and list of authors), clicks on a figure, or views or downloads the full-text. Learn more
4,245
Citations
Introduction
I work at the Faculty of Geology, V.O.Chidambaram College, Tamil Nadu, India as an Teacher and Researcher. My focus is on Coastal and inland groundwater monitoring, and pollution remediation in soil and water. Special attention is given to SGD, RS and GIS, Microplastics, nutrients and toxic metals. I work with many collaborators from different countries including South Korea, Mexico, German, Kuwait, Malaysia, Iran, Bangladesh, Vietnam, Japan, South Africa, Ethiopia, UK as well as in India.
Additional affiliations
July 2009 - present
V.O.Chidambaram College, Tuticorin
Position
  • Professor (Assistant)
Position
  • Professor (Assistant)
Position
  • ENVIRONMENTAL IMPACT ASSESSMENT, HUMAN HEALTH AND EVALUATION OF GROUNDWATER POLLUTION IN AND AROUND THOOTHUKUDI CITY, TAMILNADU
Education
August 2010 - August 2013
Manonmaniam Sundaranar University
Field of study
  • ENVIRONMENTAL IMPACT ASSESSMENT, HUMAN HEALTH AND EVALUATION OF GROUNDWATER POLLUTION IN AND AROUND THOOTHUKUDI CITY, TAMILNADU
June 2007 - April 2009
Independent Researcher
Independent Researcher
Field of study
  • Geology- Petrology, Stratigraphy, Research Methodology, Economic Geology, Mineral Economics, Dynamic Geology, Photo Geology
June 2004 - April 2007
Independent Researcher
Independent Researcher
Field of study
  • Geology

Publications

Publications (193)
Article
Full-text available
During the last three decades, remotely sensed data (both satellite images and aerial photographs) have been increasingly used in groundwater exploration and management exercises. An integrated approach has been adopted in the present study to delineate groundwater recharge potential zones using RS and GIS techniques. IRS-1C satellite imageries and...
Article
Full-text available
The combined studies on grain size distribution, organic matter contents of sediments, sequential extraction and bulk concentration of heavy metals, statistical analysis, and ecological risk assessments were carried out to investigate the contamination sources and ecological risks of surface sediments at Coleroon River Estuary in Tamil Nadu, India....
Article
Full-text available
The present study was conducted to evaluate the metal pollution of groundwater in the vicinity of Tuticorin Corporation in Tamilnadu State, India, used by various pollution indices such as heavy metal pollution index (HPI), heavy metal evaluation index (HEI), and degree of contamination (DOC). Thirty-six groundwater samples were collected during th...
Article
Full-text available
A total of 72 groundwater samples were collected from open wells and boreholes during pre- and post-monsoon periods in Tuticorin. Samples were analyzed for physicochemical properties, major cations, and anions in the laboratory using the standard methods given by the American Public Health Association. The fluoride concentration was analyzed in the...
Article
Full-text available
Tuticorin corporation stretches geographically from 8�430–8�510N latitude and 78�50–78�100E longitude, positioned in the East–West International sea routes on the South–East coast of India. The rapid urban developments in the past two decades of Tuticorin have caused depletion of groundwater quantity, and deterioration of quality through excessive...
Book
Meso and Microplastic Risk Assessment in Marine Environment: New Threat and Challenges in Marine Environment presents an interdisciplinary approach, offering key techniques and management of microplastic contamination in the disciplines of environmental science, fisheries, oceanography, geology, chemistry, biology and ocean science. Sections cover...
Article
Full-text available
Groundwater is one of the important natural resources that is essential to sustain the life on Earth. Crisis related to groundwater and other water resources is becoming severe in the recent years. Controlled use of water recourses and management of groundwater aquifers in indispensable. This study has been carried out to identify groundwater recha...
Article
Full-text available
Among the various methods for the removal of azo dye, electrocoagulation is recognized to be highly efficient. However, the process is associated with high operation and maintenance cost, which demands the need for reducing the electrolysis time without compromising the performance efficiency. This can be achieved by adopting hybrid electrocoagulat...
Article
Full-text available
Seawater intrusion represents the flow of seawater through coastal aquifers, but it also affects surface water bodies such as channels, canals, and wetlands. Transitional water volumes, variable density and salinity distributions, and heterogeneous hydraulic properties describe coastal aquifers which are present in complex environments. The relatio...
Article
The quality of water for irrigation presents a fundamental challenge to the sustainability of agricultural practices.This study, conducted in the Ras Jbel (RJ) aquifer of Tunisia, aims to evaluate the suitability of groundwater for both drinking and irrigation purposes and to identify regions suitable for agriculture. In this research, various indi...
Article
Due to adverse impact of the global warming on hydrological resources, we intended to document the hydrogeochemical evolutions of surface and groundwater at tropical central-south Mexico in terms of seasonality of rock-water interaction, precipitation/evaporation variation and moisture source by evaluating the major ion chemistry in Piper and Gibbs...
Article
This review paper exhibits the underexplored realm of heavy metal contamination and associated risks in sea cucumbers (SCs), which hold significant importance in traditional Asian marine diets and are globally harvested for the Asian market. The assessment focuses on heavy metals (HMs) presence in various SC species, revealing a global trend in HMs...
Article
Full-text available
Due to an increasing reduction of hydrological resources across Mexico and their growing contamination from global warming and anthropogenic activities, this study evaluated water from the perennial Lake Coatetelco (Ca–Mg–HCO3) in tropical central-southern Mexico and groundwater (Ca–Mg–HCO3 and Na–HCO3–Cl) from the surrounding wells for drinking as...
Article
Future prediction modeling of land use/land cover (LULC) is crucial for coastal regions due to unique challenges and vulnerabilities associated with these areas. This research aims to evaluate the performance of three models: Logistic Regressor (LR), Artificial Neural Network (ANN), and Weight of Evidence (CA-WoE) combined with Cellular Automata (C...
Article
Full-text available
Water and soil polluted by heavy metals (HMs) are the primary problem due to rapidly increasing urbanization and industrialization. For the treatment of polluted soil, phytoremediation turns into a cost-effective and eco-friendly technique. The current research aimed to examine the load of pollution, specifically HMs, in sediment and wastewater (WW...
Chapter
Microplastic Pollution: Causes, Effects, and Control sheds light on the causes, effects, and control of microplastic pollution, providing valuable insights into the tools and techniques for analysis, the impact on ecosystems, and the potential risks to human well-being. The editors focus on the urgency of addressing this global environmental challe...
Preprint
Full-text available
Groundwater potential signifies the total quantity of water that occupying in the aquifer, and it varies from one area to another due to change in aquifer properties. This study has been carried out to identify groundwater recharge or groundwater potential area of Alappuzha, Kerala, South India. Investigation on the groundwater potential study is d...
Article
Full-text available
Due to over exploitation of groundwater, there is a drastic decrease in groundwater level and its quality. The groundwater samples have been analysed to estimate its aptness for domestic and agricultural in Sivakasi Taluk industrial areas. In the course of post monsoon and summer of 2020, twenty two samples have been collected from the research are...
Chapter
The utilization of surface and groundwater resources are increasing every year. Intensive groundwater extraction, growing urban complexes and industries are causing enormous pressure on the existing groundwater resources in the Kanyakumari district. This study define the Groundwater potential zones (GWPZ) of Kanyakumari district, Tamil Nadu, India...
Article
Nitrate and fluoride are two of the most prevalent pollutants in drinking water and exposure to their high concentrations could cause methemoglobinemia and fluorosis. This study attempted to evaluate the groundwater quality (pH: 4.4-9) from a relatively understudied part of the southwestern coast in India (i.e., Alappuzha, Kerala state) and assesse...
Article
Full-text available
The possible zones of submarine groundwater discharge (SGD) and seawater intrusion (SWI) along the west coast of Kanyakumari in the southernmost Indian Peninsula were identified by integrating the surface temperature anomaly, water table fluctuation, and water quality analysis. Temperature map of the sea surface from Landsat 8 satellite data, which...
Preprint
Full-text available
With an increasing reduction of hydrological resources across Mexico and their growing contamination due to global warming and anthropogenic activities, this study evaluated water from the perennial Lake Coatetelco (Ca–Mg–HCO 3 ) in tropical central-southern Mexico and groundwater (Ca–Mg–HCO 3 and Na–HCO 3 –Cl) from the surrounding wells for drinki...
Article
Submarine groundwater discharge (SGD) is the combination of fresh and saline groundwater flux to marine system through continental boundaries regardless of its chemical composition and factors influencing the flow. We have discussed the SGD studies in the Asian context; SGD has been studied in various parts of Asia, including China, Japan, South Ko...
Article
Full-text available
Recently, groundwater resources have become the main freshwater supply for human activities worldwide, especially in semi-arid regions, and groundwater pollution from anthropological events is one of the chief environmental problems in built-up and industrial coastal areas. Many researchers around the world have conducted studies to evaluate the im...
Article
Full-text available
The present study has been carried out to assess the quality of groundwater and surface water resources of Thettiyar watershed, Kerala, India. Sixty-six water samples were collected during pre-monsoon (April, 2019) and monsoon (July, 2019) season, and analyzed for pH, electrical conductivity (EC), total dissolved solids (TDS), total hardness and ma...
Article
Full-text available
The accurate mapping and assessment of groundwater vulnerability index are crucial for the preservation of groundwater resources from the possible contamination. In this research, novel intelligent predictive Machine Learning (ML) regression models of k-Neighborhood (KNN), ensemble Extremely Randomized Trees (ERT), and ensemble Bagging regression (...
Article
Full-text available
The present study was taken with a primary objective to estimate the groundwater quality and its suitability toward sustainable crop productivity in an agriculturally dominant semi-urban area. Elevated levels of nitrate have severe health impacts and affect the human health. Hence, health risks associated with the consumption of nitrate contaminate...
Article
Full-text available
The quantitative and qualitative stress on groundwater resources has been witnessed across the globe. The current study assesses the groundwater quality of Tirunelveli district which faces the hazard of groundwater contamination through seepage of toxins, considering the open dumping of huge volumes of solid waste. The findings from this study conf...
Article
Full-text available
The purpose of this study was to evaluate the metal concentrations in the Halda River in Bangladesh to determine the quality of the water and sediment in the natural spawning zone. Fe > Zn > Cr > Cd > Cu was the order of the metals in water, whereas Fe > Zn > Cd > Cu was the order in sediments. Almost all of the heavy metals in the water and sedime...
Article
Full-text available
Submarine groundwater discharge (SGD) is the groundwater flow from land to the sea across the seabed, and it includes both terrane freshwater and recirculated seawater in the sub-surface. This review (i) systematically evaluates findings of various quantification methodologies, (ii) examines the estimated SGD in scientific publications between 2000...
Article
The geomorphology and sedimentological characteristics can build the sustainable ecosystem according to the existing environment. The present study concentrates on the findings of the total network of RezuKhal at the Cox's Bazar district that includes data on geomorphologic features and sediment characteristics. We used Geographical Information Sys...
Article
Contamination of fish with heavy metals (Heavy metals) is one of the most severe environmental and human health issues. However, the contamination levels in tropical fishes from Bangladesh are still unknown. To this end, the evaluated concentrations of arsenic (As), chromium (Cr), cadmium (Cd), and lead (Pb) in 12 different commercially important f...
Book
Full-text available
This book covers the important and recent aspects of describing groundwater contamination and its fundamentals. The book also assembles various recent techniques to assess groundwater contamination and its relation to different fields such as science, engineering, planning, and management practices. The recent applications of groundwater assessment...
Chapter
Full-text available
This chapter discusses the problems reported by researchers related to groundwater pollution in coastal areas around the world, including India. It also explains the study methods used by many researchers to identify coastal groundwater contamination and seawater intrusion. Most of these studies show that seawater intrusion is the main cause of gro...
Chapter
The groundwater assets with immoderate withdrawal are because of the increasing population and traits of industrialization that have brought about coastal zone aquifers that generally tend to seawater intrusion throughout the worldwide event. The monetary and socio-cultural trends withinside the coastal regions also exhibit seawater intrusion. Subs...
Article
The influx of fresh groundwater and re-circulated sea water into coastal ecosystem occurs through the submarine groundwater discharge (SGD). Measurement of salinity, radium tracers (²²⁴Ra, and ²²⁶Ra isotopes) and nutrients in estuarine water, coastal surface water and groundwater during December 2019 estimated the SGD and associated nutrient fluxes...
Conference Paper
Full-text available
A series of resistivity surveys were carried out in Jamshedpur to demarcate the groundwater potential zones. Eighteen vertical electrical soundings were conducted and the field data was interpreted using IPI2win software and the layer parameters in terms of thickness and resistivity were obtained. The resistivity of first, second and third layer ar...
Article
Full-text available
The presence of uranium (U) in potable groundwater must be treated with extreme care because of its health concerns. The study area consists of complex lithology and various land use activities including natural and anthropogenic processes. The present study aims to assess the seasonal distribution, probable sources and factors responsible for U mo...
Article
The tremendous use of plastic products to averse the infection rate during Covid-19 pandemic has developed great pressure on the management and disposal systems of plastic waste. The compulsory use of face masks to curb the infection and prevent transmission of the virus has led to addition of millions of face masks into the terrestrial and marine...
Article
Marina beach in Chennai metropolitan city attracts numerous tourists from all around the world, and it is an important ecological habitat for many life forms. Rapid urbanisation and industrial developments have led to excessive use of plastics and increased the amount of plastic waste generated in the natural environment. This first baseline study...
Article
Changes in contents of the hazardous heavy metal in water during the COVID-19 epidemic lockdown might assist in formulating the management designs to mitigate the public health issues associated with the Thamirabarani River system of south India. This research evaluated water quality of the Punnakayal estuary, one of the important resources of drin...
Article
Microplastic transport in the marginal seas is a key process influencing their ultimate fate in the open oceans. In the present study, we collected seawater samples from the western Pacific Ocean (WP) and the South China Sea (SCS) to investigate the distribution, transport, and possible sources for microplastics. Generally, the range of microplasti...
Article
Full-text available
The present study, involving investigations of recent foraminifera from the sediments of the inner shelf off Nagapattinam on the southeast coast of India, was undertaken to document the composition, distribution, and ecology of the foraminifera and their relationship to the climatic conditions of the study area. Thirty sediment samples were collect...
Article
The accurate evaluation of groundwater contamination vulnerability is essential for the management and prevention of groundwater contamination in the watershed. In this study, advanced multiple machine learning (ML) models of Radial Basis Neural Networks (RBNN), Support Vector Regression (SVR), and ensemble Random Forest Regression (RFR) were appli...
Article
The current study identifies groundwater quality issues and investigates the most important geochemical processes that control seawater intrusion using various ionic ratios, hydrochemical facies evolution, and geochemical modelling. Cl-/Br ratio is an important indicator to identify the origin of groundwater salinity in coastal aquifers. Nineteen p...
Chapter
Seawater intrusion (SWI) in a coastal aquifer is investigated in this study by two graphical techniques of the expanded Durov diagram (EDD) and the Hydrochemical Facies Evolution Diagram (HFE-Diagram). A total number of 127 deep, semideep, and artesian wells were investigated in September 2014 and March 2015 by EDD and EFE-Diagram to identify the g...
Chapter
The assessment of groundwater contamination vulnerability is crucial for the effective management and conservation of groundwater. The purpose of this study is to determine the most accurate SVR-kernel model among four kinds of SVR-kernel models for the assessment of groundwater contamination vulnerability to nitrate in Miryang City of Korea (South...
Chapter
In recent years the use of Geographical Information Systems (GIS) and remote sensing to expedite the appraisement of runoff modeling from land and water region. To appraise the runoff modeling techniques, different factors were used such as rainfall, soil, land use/land cover, and hydrological conditions. Based on the factors the CN (curve number)...
Chapter
This research has been accomplished to assess the hydrochemical parameters for ameliorating the coastal groundwater quality of the agricultural area in the coastal region of Tiruchendur Taluk in the Thoothukudi district of Tamil Nadu, South India. Water supply in coastal waters around the world is often daunted by salinization due to seawater incur...
Chapter
This research has been carried out to evaluate the hydrochemical parameters for improving the coastal groundwater quality of agricultural areas in the coastal region of Ramanathapuram district of Tamil Nadu, South India. Increased population and intensive agricultural activities in and around the study area affect the aquatic system of the study ar...
Chapter
Submarine Groundwater Discharge (SGD) may be a major source of chemical contaminants that go from land to sea. We initially calculated SGD at the local scale in Kayalpattinam, a typical coast with fast industrial growth, using radon (²²²Rn), radium isotopes and associated nutrient fluxes. Then, to evaluate the large-scale consequences of SGD on nut...
Article
Ninety-nine benthic foraminiferal species belonging to 41 genera, 26 families, 17 superfamilies and 5 suborders have been identified from 84 samples which were collected from beach (23 nos), offshore (24 nos), estuaries (8 nos), inland (23 nos) and one pit sample (6 nos), between Cuddalore and Nagapattinam in the tsunami affected coastal environmen...
Article
Application of natural tracers such as radon isotope mass balance has been useful in estimating the submarine groundwater discharge (SGD). This study used 222Rn and evaluated the magnitude of SGD at Tiruchendur coast of southeast India in the Gulf of Mannar (Indian Ocean). Higher magnitudes of 222 Rn in the porewater and seawa- ter in comparison wi...
Article
Full-text available
Geo-electrical survey was conducted in a highly industrialized area to delineate the freshwater and saline water aquifers. A total of 30 vertical electrical soundings (VES) were made along the coastal aquifers of Tuticorin, which covers both sedimentary formation and crystalline rocks. By using VES data, GIS was used to create spatial maps for resi...
Article
Full-text available
Remote sensing and GIS technology were very helpful to determine an appropriate location of freshwater storage in Amhara, Ethiopia. The techniques were used to investigate the impact of lithology, surface geomorphology, slope parameters, drainage flow, drainage density, lineament density, land cover parameters on relief, and aerial and linear featu...