V. Sunitha

V. Sunitha
Yogi Vemana University · Department of Geology

Ph.D

About

85
Publications
32,593
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352
Citations
Introduction
Dr.V.Sunitha has a Ph.D in Applied Geochemsitry from Osmania University, Telangana, India; She has cleared joint CSIR-UGC National eligibility exam for lectureship in Earth sciences. Vangala Sunitha is the recipient of Raman Post Doctoral Fellowship funded by UGC, New Delhi from Miami University, Oxford, Ohio, USA under the supervision of Mark P.S Krekeler. Recipient of “Young Scientist award from DST, India. Current areas of interest are Hydrogeology, Geochemistry.
Additional affiliations
August 2016 - August 2017
Miami University
Position
  • Fellow
Description
  • UGC Raman Post doctoral Fellow
June 2007 - present
Yogi Vemana University
Position
  • Professor
June 2007 - present
Yogi Vemana University
Position
  • Professor

Publications

Publications (85)
Article
The current study emphasizes on seasonal hydrogeochemistry, appraisal of groundwater quality for drinking purposes, as well as forms explanation with water quality index studies conducted with geospatial modeling. For this study, total eighty groundwater samples were collected from Yerraguntla, Kadapa district, Andhra Pradesh, during pre-monsoon se...
Article
Full-text available
The study aims to demarcate groundwater potential zones in the Coimbatore district of South India using geographic information system (GIS), remote sensing (RS), and multi-criteria decision analysis (MCDA) methods. A total of 10 thematic layers such as geomorphology, geology, lineament density, land use/land cover (LULC), soil, drainage density, ra...
Article
Full-text available
Fifty groundwater samples were obtained pre and post-monsoon seasons in parts of hard rock terrain in Andhra Pradesh, South India, in order to assess the drinking water quality. PIG values of groundwater samples ranged from 0.95–1.53 and 0.83–1.28 during pre and post-monsoon seasons. PIG values are slightly higher in the pre-monsoon season when com...
Article
The primary intend of this research is to determine the standard drinking water quality build upon on the Pollution Index of Groundwater (PIG) and health risk index. For this, fifty groundwater samples were chosen and determined for chief cations & anions in the Southwestern part of Cuddapah basin (SW). Maximum samples are under the allowable level...
Article
Full-text available
Groundwater is the most common source of drinking and irrigation in the world. As a result of human activities and natural processes, nitrate levels in most groundwater supplies in arid and semi-arid areas have risen in recent decades. As a result of human activities and natural processes, the levels of fluoride and nitrate in most groundwater supp...
Article
The present study is carried out to assess the groundwater quality and also to find out the causes for higher nitrate concentration in the studied area. The analytical results reveal that pH of groundwater is alkaline and exceeds limit of total hardness. EC and TDS values come under non-potable category. The cations and anions constitute Na + >Mg 2...
Article
The goal of this study was to determine the groundwater chemistry to assess its quality and determine geochemical differences due to geological and hydrogeological conditions. Groundwater samples from forty different wells were analysed. According to hydrochemical data, the groundwater in the research region is somewhat alkaline in character and is...
Article
Full-text available
Groundwater is the only freshwater in the region, as textile industry effluents pollute the Noyyal river. Therefore, a hydrogeochemical investigation was conducted in the western Coimbatore district of Tamil Nadu to examine the groundwater chemistry and its appropriateness for drinking and irrigation. For this purpose, 25 groundwater samples from a...
Article
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This paper reports to the fluoride and nitrate concentration in groundwater resources of the semi-arid region of Anantapur district, South India, and its related potential health risk assessment issues with the resident peoples. For this purpose, 50 groundwater samples were analyzed for hydrochemical parameters including major ions, fluoride and ni...
Article
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A study was conducted to evaluate the groundwater quality and health risk assessment for drinking purposes around inactive mining areas in the rural regions of Vemula-Vempalli region using the water quality index (WQI) method. For this study, forty groundwater samples were collected from bore wells and analyzed for physical parameters and major cat...
Article
Full-text available
The main focus of this study is to evaluate the groundwater quality through drinking water quality index and regression analysis in semi-arid region and the results are examined with reference to the drinking water quality standards laid down by WHO. Water quality index (WQI) was determined from fourteen physicochemical parameters like pH, EC, TDS,...
Article
Full-text available
The present study intended to find out the possible causes for the formation of sinkholes by analyzing the lithological, structural and hydrological conditions in and around Chitravathi river bed. During 2015 and 2017, sinkhole collapses occurred in Chitravathi river bed in between Goddumarri and Lakshmumpalli villages of Yellanur Mandal in Anantap...
Chapter
In limestone mining and cement industry, solid and liquid wastes are generated in every day and every stage of the operations and are required to mitigate properly. Different types of waste generated from both the industries are cement and limestone quarry. Due to environmental impact and public health and safety, proper efforts must be made to dec...
Article
Full-text available
The main objective of the present study was to determine the distribution levels of nitrate contamination in groundwater and its associated impact on human health risk in the Yerraguntla, South India. For this 40 ground water samples were collected randomly during April 2018. Nitrate concentration in groundwater samples ranged from 2.50 to 760.12 m...
Article
Full-text available
The conceptual site model (CSM) has been designed for Inactive/abandoned mines in the SW part of Cuddapah basin, which gives an overview of Inactive/abandoned mine characterization in terms of physical impacts such as vertical openings, dangerous impoundments, location of steep slopes, waste processing facilities, steep portal abandoned barite mine...
Article
Full-text available
The water quality index method is applied for groundwater quality evaluation in Vemula Mandal, YSR District of Andhra Pradesh (South India). For this study, twenty-five groundwater samples were collected in 2018 and analyzed for pH, electrical conductivity, total dissolved solids, total alkalinity, calcium, magnesium, carbonate, bicarbonate, chlori...
Article
Full-text available
The main purpose of this study is to evaluate the groundwater quality for human consumption by developing a water quality index for the southwest (SW) part of the Cuddapah Basin. In order to study this various physico-chemical parameters were analyzed, distribution maps were prepared using Geographical Information System (GIS). Except for fluoride...
Article
Full-text available
To evaluate hydrogeochemical evaluation of groundwater for drinking & irrigation practices in and around Lakkireddipalli and Ramapuram, Y.S.R District, Andhra Pradesh, India, thirty groundwater samples were collected during March 2018. Most of the groundwater samples are above the safe limits of W.H.O standards. Groundwater is exceeding the permiss...
Article
Full-text available
The present paper aims at determining the status and trends of groundwater quality by applying water quality index method from 22 villages around Cement industries, Yerraguntla Mandal, Y.S.R District, A. P South India. Water Quality Index (WQI) was calculated from fourteen physicochemical parameters like pH, EC, TDS, Total hardness, Total alkalinit...
Article
Full-text available
In this study an attempt was made to assess the mining associated urbanization impact on rural agricultural lands due to expansion of mining dump yards, pulverizing mills and beneficiation plants in and around Govindampalle village, YSR District, A.P by using Geospatial technologies. Various land use and land cover (LULC) classes, mainly, cropland,...
Article
Full-text available
Mining is a nation building activity need to be encouraged, conserved and monitored. A successful mining requires a series of events like geological studies, mineral exploration, mining plans preparation, environment impact studies and successful execution of the mine. Landscape dynamic study in a mining area, is an important component in mining pl...
Article
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This data article provides the inventory data on sinkhole occur-rences for thefirst time from Proterozoic Cuddapah Basin, India.Unexpected ground subsidence incidents are taking place withground breaking sounds and forming in the Cuddapah Basin since2007 and their frequency increasing from 2015 to 2017 (15 sink-holes over night in and around Buggav...
Article
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Groundwater is a vital resource for most developmental activities. Demand for groundwater is increasing due to paucity of surface water and recurrent failures of monsoons. Increasing demand for groundwater causes water level to decline and water quality to deteriorate. This data article is aimed to investigate the quality of drinking water of Obula...
Research
Full-text available
Groundwater is the main source of drinking water living in this region. The public water distribution system uses tube wells. The region falls under semi-arid or even arid belt with associated high temperatures. Keeping in view of public health importance around abandoned mines around vemula, hydrochemistry of fluoride has determined the proposed w...
Article
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Excessive fluoride concentrations have been reported in ground waters of 19 states of India. Acute fluorosis is noticed in many problem areas of these states. In spite of several existing physical and chemical defluoridation methods, there is an urgent need to develop cost effective and biodegradable methods to effectively treat high fluoride conce...
Conference Paper
Numerous nanoparticles are recognized as having high potential for inhalation and ingestion and abundant toxicology literature exists identifying associated health hazards. Nanoparticles generated by human activity in urban areas are of particular concern. They often are composed of toxic metals and are often concentrated in street sediment. Many o...
Conference Paper
Although fluorine, which generally occurs in nature as fluoride, is beneficial to human health in trace amounts, it can be toxic in excess. This powerful calcium-seeking fluoride can interfere with the calcified structure of bones and teeth in the human body at concentrations above 1.5 mg/L causing dental or skeletal fluorosis. Fluoride-rich ground...
Article
Full-text available
This paper presents textural analyses; study of Particle-size distribution parameters, Mean size (Mz), Standard Deviation (σ), Skewness (Sk) and Kurtosis (K G) pertaining to beach sands of Ramakrishna beach – Bhimunipatnam tract, East coast of Visakhapatnam, Andhra Pradesh. As part of this study, detailed textural characteristics of 23 representati...
Conference Paper
A current and ongoing urban geochemistry investigation of bulk chemical composition of street sediment from Gary, Indiana indicates that extensive metal pollution occurs (Dietrich et al., 2017, this meeting). Street sediment can be easily mobilized by wind and thus can expose residents to fine particulate matter through inhalation if particles are...
Conference Paper
Phosphate non-point source pollution is a global environmental problem that largely impacts freshwater ecosystems causing extensive eutrophication and has negative impacts on marine ecosystems nearshore. Phosphate dominantly is derived from agricultural activities as well as human and animal sewage which is introduced to ecosystems primarily via ov...
Article
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Heavy precipitation in the Chintakommadinne area in the Y.S.R Kadapa District, Andhra Pradesh during November 2015 has induced ground subsidence resulting in rapid increase in the frequency of 15 sinkhole occurrences. Most susceptible to future sinkhole development, determined by different factors: (1) bedrock type has the most significant impact o...
Article
Full-text available
Sand is an important engineering material for construction works. Sand deposition in river is the biggest source of sand, in recent times there has been immense pressure on Rivers which acts as a treasure for the building sector due to rapid growth in the development activities. The main objective of the study is to investigate, recognize the sand...
Article
Full-text available
Groundwater is used for domestic, industrial water supply and for irrigation all over the world. The groundwater quality is a function of natural processes as well as anthropogenic activities. The safe potable water is enormously essential for living and groundwater is one of the sources for human consumption in both urban as well as rural areas. T...
Article
Full-text available
Groundwater is used for domestic, industrial water supply and for irrigation all over the world. The groundwater quality is a function of natural processes as well as anthropogenic activities. The safe potable water is enormously essential for living and groundwater is one of the sources for human consumption in both urban as well as rural areas. T...
Article
Full-text available
Water quality index exhibits the overall water quality at a specific location and specific time based on several water quality parameters. The objective of an index is to turn complex quality data in to information that is understandable and useable by the public. For calculating the WQI following eight physcio-chemical parameters such as pH, Elect...
Article
Full-text available
Water quality index exhibits the overall water quality at a specific location and specific time based on several water quality parameters. The objective of an index is to turn complex quality data in to information that is understandable and useable by the public. For calculating the WQI following eight physcio-chemical parameters such as pH, Elect...
Article
Full-text available
Groundwater is a natural replenishable resource which becomes an important source for any developmental activities due to shortage of surface water and frequent failures of monsoon. Increasing demand for groundwater causes decline in water levels as well as deterioration in water quality. Kadapa is one of the oldest municipalities in Rayalaseema re...
Article
Full-text available
Environment and Development are the two wheels of the cart. However, they become antagonists at some points. It has been witnessed many a times that development is done at the cost of environment. Analysis and assessment tools like GIS along with Remote Sensing have proved to be very efficient and effective and hence useful for management of natura...
Article
Full-text available
Water quality index exhibits the overall water quality at a specific location and specific time based on several water quality parameters. The objective of an index is to turn complex quality data in to information that is understandable and useable by the public. For calculating the WQI following eight physcio-chemical parameters such as pH, Elect...
Article
Full-text available
This study was carried out to assess the fluoride concentration in groundwater in some villages of southeastern part of Anantapur district Andhra Pradesh, India, where groundwater is the main source of drinking water. The main objective of this study was to assess the association between water fluoride levels and prevalence of dental fluorosis amon...
Article
Full-text available
India is endowed with a rich variety of mineral resources due to varied geologic and tectonic milieu. To ensure sustainable development of mineral industry, in place of ill oriented approaches, it is essential to have a properly estimated resource and reserve statistics. This can be achieved if a pragmatic exploration strategy is adapted. One of th...
Article
Solid waste management (SWM) is a worldwide phenomenon. It is a big challenge all over the world for human beings. The problem of municipal solid waste management (MSWM) is also prevailing in the environment of Kadapa town in India. Therefore, the present study was undertaken to find out the problems and prospects of municipal solid waste in Kadapa...
Article
This study aims to assess the link between fluoride content in groundwater and its impact on dental health in rural communities Vemula, Vempalli revenue mandals of Y.S.R District, A.P. As per the desirable and maximum permissible limit for fluoride in drinking water, determined by WHO, the groundwater of about seventy percentage of the studied site...
Article
Full-text available
Drinking water is an important resource that needs to be protected from pollution and biological contamination. Water is vital to health, well-being, food security and socioeconomic development of mankind. Underground water is clean but it depends upon quality and quantity of materials dispersed and dissolved in it. Therefore, the presence of conta...
Chapter
Full-text available
The occurrence of fluoride (F−) concentration in groundwater is mainly due to natural or geogenic pollution and the source of contamination is often unknown (Handa 1975a; Saxena and Ahmed 2002). Geogenic contamination of groundwater depends mainly on the geological setting of an area. As rain water infiltrates through soil and reaches the water tab...
Article
Full-text available
Groundwater is a significant water resource in India for domestic, irrigation, and industrial needs. The use of groundwater has increased significantly in the last decades due to its widespread occurrence and overall good quality. The contribution from groundwater is vital; because about two billion people depend directly upon aquifers for drinking...
Article
Groundwater is the major water-source for drinking and irrigation in drought-prone southeastern part of Anantapur District, Andhra Pradesh (India). Geochemically, the groundwater is characterized by alkaline nature, higher contents of Na+ over K+, Ca2+ over Mg2+ and Cl- over NO3- more or less equal amounts of HCO3- and SO4(2-), and fluoride 0.5 to...
Article
Full-text available
Groundwater constitutes an important source of water for drinking, agriculture and industrial production. The use of groundwater has increased significantly in the last decades due to its widespread occurrence and overall good quality. A total of 28 drinking water samples collected from different locations of Kalasapadu, Porumamilla Mandals, Kadapa...
Article
Full-text available
Cuddapah basin, Andhra Pradesh, endowed with rich mineral wealth, is one of the important and fairly well studied geological units in peninsular India. The Middle- Upper Proterozoic Cuddapah basin, has been well known for a variety of mineral resources, such as barite, asbestos, copper and Iron, Fullerene, Uranium, clay, black granites besides lime...
Article
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Advances in Agriculture, Sciences and Engineering Research http://www.ejournal.sedinst.com ABSTRACT This work emphasized on Geostatistical tools which relied on ordinary kriging technique to analyze and represent groundwater quality in Y.S.R district, Andhra Pradesh, India whilst maintaining prediction accuracy. The efficiency of the semivariograms...
Article
Full-text available
Groundwater constitutes an important source of water for drinking, agriculture and industrial production. The use of groundwater has increased significantly in the last decades due to its widespread occurrence and overall good quality.
Article
Full-text available
Groundwater forms the major source of drinking water in the rural areas of most of the developing nations in the world. Presence of high concentration of fluoride and nitrate in groundwater is a major problem in many countries as it causes health related problems. The present study was carried out with the objective of determining the causes for hi...
Article
Full-text available
Groundwater constitutes an important source of water supply for various purposes, such as domestic, industrial and agricultural needs. In view of increasing demand of water resources, a greater emphasis is being laid for a planned and optimal development of water resources. An integrated study based on satellite image interpretation corroborated by...
Article
Full-text available
The fluoride concentration in underground water was determined in Badvel revenue Mandal. Kadapa district, Andhra Pradesh (India) where it is the only source of drinking water. The various parameters determined were pH, EC (electrical conductivity), total dissolved solids (TDS), total hardness (TH), calcium (Ca 2+), magnesium (Mg 2+), bicarbonate (H...
Article
Full-text available
Spatial Information Technique (SIT) involving Remote Sensing (RS), Geographical Information System (GIS) and Global Positioning System(GPS) was applied to study the geo-morphological features of the Bhakarapeta watershed and to identify the measures that can be taken up for better management of the water resources of the area. The study area form a...
Article
Full-text available
The spatial variations in ground water quality in central part of Proddatur town which is located in Andhra Pradesh state, India, have been studied using geographic information systems. The study area lies in the Southwestern part of Y.S.R Kadapa District, Andhra Pradesh. The area is located in the survey of India toposheets No 57 J/6 lying betw...
Article
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The preliminary aim of the present study is to analyze the spatial variability of ground water quality parameters in Proddatur, India. The spatial variability and the GIS maps can be used for management of ground water quality and effective reduction of pollution related hazards can be achieved.Geostatistical analysis is a quintessential commodity...
Article
Full-text available
The application of different multivariate statistical techniques, such as cluster analysis, principal component analysis factor analysis and discriminate analysis, helps in the interpretation of complex data matrices for a better understanding of water quality and ecological status of a region. These techniques allow the identification of the possi...
Article
Full-text available
Fluoride in water is an essential element for human beings and its deficiency as well as high concentration both is injurious to human health. It is required for the protection against dental caries and weakening of bones. Groundwater in shallow aquifers that supply water to dug wells in and around Anantapur district, of Andhra Pradesh, has high...
Article
Full-text available
Groundwater is the major drinking water source in India, deterioration in its quality is going unchecked. Nitrate leaching is a common phenomenon. Contamination of drinking water by nitrate leads to a number of health problems to human beings and animals. In an agro-economy based rural areas, the nitrate contamination is rampant and much attention...
Article
Full-text available
Water is essential natural resource for sustaining life and environment which we have always thought to be available in abundance and free gift of nature. Though ground water is the major drinking water source, deterioration in its quality is going unchecked. In such agro-economy based rural areas, the nitrate contamination is rampant and much atte...