Dr. M C Manjunatha
University of Mysore, Earth Science, Graduate Student
Research Interests:
Stress has a great influence on the Physical Health and Psychological Well-Being of a person. Caretakers who spend
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Groundwater is extensively needed by most organisms on earth, especially humans. Groundwater depletion and its quality degradation are noticed in various parts of the country due to rise in demography, climate change, global warming, and... more
Groundwater is extensively needed by most organisms on earth, especially humans. Groundwater depletion and its quality degradation are noticed in various parts of the country due to rise in demography, climate change, global warming, and industrial demands. Similar affects are observed from Mandya district of Karnataka state where 70 water samples are randomly acquired during the premonsoon (April 2023) and assessed for 15 parameters quality. SAR, RSC, permeability index, magnesium hazards, sodium percentage, and Kelly’s ratio are evaluated for both drinking and agricultural aspects. Anthropogenic activities of modern agricultural practices, mining, and municipal waste dumps releasing toxic effluents into the groundwater that contributing to rise in salinity and alkalinity noticed at some locations of the study district. The outcome results enumerate the above permissible limits of groundwater parameter through spatial representation maps and assess in future management plans for Mandya district.
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Medical science is benefiting from the fastest-growing Remote Sensing (RS) technology that is becoming an integral part of public health, safety, and research initiatives. The study presents review of RS technology in radiological,... more
Medical science is benefiting from the fastest-growing Remote Sensing (RS) technology that is becoming an integral part of public health, safety, and research initiatives. The study presents review of RS technology in radiological, physiological, epidemiological and environmental approach for better healthcare services and tracking the spread of infectious diseases, and others health related issues. Many health care investigations using RS tools were explored in the present study for analyzing environmental factors, control of endemic diseases, service delivery, and human transmission risks. Modified RS applications with latest technology in real-time would flourish the standard services of healthcare sectors by connecting people during emergency medical services. This study will provide an overview of the existing fields that carry great promise in developing policies and providing best public healthcare services towards sustainable development.
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Global warming, climate change, deforestation, rise in water demand for industrial uses rather than domestic purposes has posed serious threats to surface and subsurface water resources. Karnataka is one of the agrarian states in India... more
Global warming, climate change, deforestation, rise in water demand for industrial uses rather than domestic purposes has posed serious threats to surface and subsurface water resources. Karnataka is one of the agrarian states in India where groundwater dependency showed always high. The present study involved the artificial techniques in groundwater augmentation analysis by modifying surface runoff in GIS environment with AHP (Analytical Hierarchy Process) methods. Important thematic maps are generated using toposheets, satellite data by GIS insights. Suitable sites for Artificial Recharge Structures (ARS) are derived through AHP by assigning specific weightages depending upon features priority. The results enumerate geospatial technology and AHP tools in achieving best suitable sites for ARS.
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Land classification mapping serves a major part in the interpretation of national assets and their specific utilization for the economic growth of the present taluk. Thirumakudalu (T.) Narasipura taluk of Karnataka state was taken up for... more
Land classification mapping serves a major part in the interpretation of national assets and their specific utilization for the economic growth of the present taluk. Thirumakudalu (T.) Narasipura taluk of Karnataka state was taken up for land classification mapping through RS, GIS, and field observations. Mapping land patterns from any suitable satellite images in a GIS environment is an innovative task that effectively extracts meaningful information from larger areas like a bird's view. A correct method of interpretation for land suitability accomplishes greater knowledge of economic functions and national growth.
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Happiness is a positive emotional state characterized by feelings of joy, satisfaction, contentment and fulfillment. The present study aimed to analyze and compare the level of happiness among tribal and urban adults. The research was... more
Happiness is a positive emotional state characterized by feelings of joy, satisfaction, contentment and fulfillment. The present study aimed to analyze and compare the level of happiness among tribal and urban adults. The research was conducted on 57 tribal (28 Male & 29 Female) and 60 urban adults (30 Male & 30 Female) between the age range of 20-80 years. The tribal respondents belonged to Jenu kuruba tribes who were relocated from Nagarahole Reserved Forest to Shettihalli Haadi of Mysore district; whereas the urban respondents were the residents of Mysuru City. Random sampling method was adopted while selecting the subject's during the survey. Happiness Scale (HS-RHM) was used to assess the level and different aspects of happiness. The final results portray that the level of happiness among tribes was above average when compared to urban individuals. However similar level of happiness was recorded among men and women tribes; whereas early, middle and late adult tribes were also observed to be equally happy. The research study indicated that the tribes had greater level of happiness when compared to the urban adults which is attributed to the higher social and spiritual wellbeing among the tribes.
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Iron is one among the oldest metals known to man and is quite rich in our country. 95% of the total iron reserves of India were accounted from few states such as Jharkhand, Orissa, Madhya Pradesh, Chhattisgarh, Karnataka and Goa.... more
Iron is one among the oldest metals known to man and is quite rich in our country. 95% of the total iron reserves of India were accounted from few states such as Jharkhand, Orissa, Madhya Pradesh, Chhattisgarh, Karnataka and Goa. Kudremukha and Donimalai is known for producing high grades of iron in Karnataka state. The present study aims to analyze the spectral signatures and volumetric determinations of iron ore deposits which were well developed and was being mined in Kemmanagundi of Bababudan hills in Chikmagalur district. Field random samples were collected for laboratory work and analysis in determining the spectral signature curves and volumetric content. The spectral signatures of any mineral will discriminated based on their characteristics features of absorption and reflectance curves. Volumetric analysis is generally one of the quantitative methods that deal with determination of amount of particular elements in tested sample. As demand of iron in India is expected to increase day by day this deposit has to be considered as an important one for its rich iron content of 69.8 percent of iron content occurring around Kemmanagundi of Bababudanhill range, Chikmagalur district, Karnataka. The final results show the presence of rich iron content around the study area.
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The Indian leopards are widely distributed on the Indian subcontinent and is the smallest of the Big Cats known for its ability to adapt in a variety of habitats. A nocturnal animal, the leopard hunts by night and feeds on smaller species... more
The Indian leopards are widely distributed on the Indian subcontinent and is the smallest of the Big Cats known for its ability to adapt in a variety of habitats. A nocturnal animal, the leopard hunts by night and feeds on smaller species of herbivores found in its range. The present study aims to collect media reports on human-leopard conflicts especially in human habitats of Karnataka State. Leopards were constantly in the news/media in Mysuru region and were increasingly coming into conflict situations with tragic results for both humans and the animal. Since 2018, the data showed that 16 people have been killed in different parts of Karnataka state by leopards. Leopards use neck bites to kill 90% of their prey and may drag up to 400 mts of small prey. The districts of Ramanagara, Mandya, Mysuru, Ballari, Tumakuru, Koppala, Kolara, Davangere and Chikkamagaluru were among those affected by leopard attacks and sightings. 65 leopards were captured/ rescued and relocated to protected areas during 2019-22 in Mysuru district.
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The purpose of this paper is to asses the economic impact of Self Help Groups as a development model for the poor in Yaraganahalli Panchayat, Mysore. We therefore seek answers to questions “What is the role of SHGs in improving the socio... more
The purpose of this paper is to asses the economic impact of Self Help Groups as a development model for the poor in Yaraganahalli Panchayat, Mysore. We therefore seek answers to questions “What is the role of SHGs in improving the socio economic development of the poor? SHGs improve the social acceptance of women at the family and community level; Did participation in the SHG enhance the economic and social capacity of the poor and hence uplift the national poverty alleviation effort?” In order to produce adequate response to the above posed questions, both quantitative and qualitative research methodologies were employed. Data gathered from various groups of respondents was analyzed and summarized.
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Dharwar Craton is structurally controlled and highly deformed terrain which is rich in varied mineral deposits. It is known for mineral deposits like iron, gold, copper, manganese, chromium, uranium, asbestos, corundum, garnet and talc.... more
Dharwar Craton is structurally controlled and highly deformed terrain which is rich in varied mineral deposits. It is known for mineral deposits like iron, gold, copper, manganese, chromium, uranium, asbestos, corundum, garnet and talc. Occurrences and good workable deposit of steatite around Panditanahalli village of Hassan district have been identified and demarcated. At present there is no mining activity but it was believed that the first attempt of steatite mining at Panditanahalli was done by Cholas dynasty. Steatite is a talcose rich compact metamorphic rock. They are well known for their heat resistant and other physical properties so it’s been used in fireplace liners, cookware, electronic insulator, ovens, masonry heaters, and carvings etc. Fresh samples of steatite, hornblendite, gabbro and pegmatite gneiss were randomly collected in the field through GTC (Ground Truth Check). Rock samples were studied under Transmitted light microscope, Reflected light microscope, SEM-EDX and Spectro- Radiometer. Petrography helped to know the minerals which are associated with steatite, SEM-EDX
studies helped to know the high Mg elemental percentage present in the given steatite sample. Spectral signatures of rock sample were studied by Spectro-Radiometer (Spectral Evolution SR-3500) instrument. The spectral signatures of the collected samples were derived in laboratory environment to achieve better accuracy. The present work is aimed for studying the petrological, geochemical and hyperspectral signatures of steatite and their associated litho units. The final results highlight the minerals present in steatite and spectral characters of steatite for mapping and demarcating the deposit in the study area and also for better mapping in similar areas around Precambrian terrains, Dharwar Cratonic Group(DCG) of Karnataka State.
studies helped to know the high Mg elemental percentage present in the given steatite sample. Spectral signatures of rock sample were studied by Spectro-Radiometer (Spectral Evolution SR-3500) instrument. The spectral signatures of the collected samples were derived in laboratory environment to achieve better accuracy. The present work is aimed for studying the petrological, geochemical and hyperspectral signatures of steatite and their associated litho units. The final results highlight the minerals present in steatite and spectral characters of steatite for mapping and demarcating the deposit in the study area and also for better mapping in similar areas around Precambrian terrains, Dharwar Cratonic Group(DCG) of Karnataka State.
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Vipassana is one of the most ancient techniques of mindful meditation found and practiced in India. History of Vipassana can be traced back to 2500 years ago, when Gautama Buddha rediscovered this ancient Indian practice. Buddha taught... more
Vipassana is one of the most ancient techniques of mindful meditation found and practiced in India. History of Vipassana can be traced back to 2500 years ago, when Gautama Buddha rediscovered this ancient Indian practice. Buddha taught Vipassana as a universal remedy for all illness. Vipassana is self-transformation technique through self-observation that brings deep awareness about mind and body interconnection. The present study aimed to compare the level of self-esteem and self-efficacy of adults who practice Vipassana and also those who do not practice Vipassana. The research was conducted on 32 number of adults, among them, 16 adults practiced Vipassana and the rest 16 did not have the awareness of the practice. Questionnaire survey and interview method were utilized in the collection of data. Generalized Self-Efficacy Scale (GSES) and Rosenberg self-esteem scale were used in the research. To analyse the data, Mean, SD and ttest were used. The current research study revealed that the adults who had practised Vipassana had above average level of Self-Esteem whereas the adults who had not practised Vipassana had average level of Self-Esteem. The study also indicated that there was a highly significant positive moderate correlation between Self-Efficacy and Self-Esteem which suggests that an increase in the level of Self-Efficacy increases the level of Self-Esteem. Henceforth the research emphasized the relevance of vipassana in today's modern world for better mental health.
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The graphical representations of groundwater models play productive role in hydrological impacts like groundwater movement especially in rural areas. The demand of water for agriculture, domestic, industrial and other uses are increasing... more
The graphical representations of groundwater models play productive role in hydrological impacts like groundwater movement especially in rural areas. The demand of water for agriculture, domestic, industrial and other uses are increasing due to rise in population, over-withdrawal of groundwater and global warming (?). Periodic evaluation of groundwater levels are very much necessary for effective management due to rapidly changing climatic scenario. Geospatialtechnique have become the most significant tool for mapping and modeling of groundwater level resources using statistical data. An effort has been made to describe the groundwater level of Piriyapatna taluk of Karnataka State. Eight representative observation well points of pre-monsoon data had been collected over a period of 16 years (2003 - 2019) in order to analyze spatio-temporal variation. Groundwater levels are plotted on a base map with their respective amount of depths, and then the contours of equal values are drawn using Inverse Distance Weighted (IDW) method in ArcGIS. The final results are helpful in preparing for shortage and seeking alternatives if need arises from study report.
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Land resource is one of the highly sensitive systems that offers sustainability to all forms of life on earth. The present aim is to focus mainly on planning and management of land resources for environmental and socio-economical outcome... more
Land resource is one of the highly sensitive systems that offers sustainability to all forms of life on earth. The present aim is to focus mainly on planning and management of land resources for environmental and socio-economical outcome for sustainable use to meet the future needs. Mapping of LU/LC Change Detection Analysis (CDA) was analyzed using SoI topomap; geo-rectified multi-spectral and multi-temporal image of IRS-1D PAN+LISS-III through GIS software’s. There is a significant rise in agricultural land as well as in built-up land that affecting other LU/LC categories such as mining, dumping and water crisis. Geo-informatics is one of the advent high-tech tools in analyzing the causes, rates, magnitude, patterns, trends in local scales ecosystem for better mapping and monitoring. The final results highlight the change detected on land surface features for better land utilization.
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Forest is one among the major resources that takes crucial role in sustaining ecological equilibrium and environmental system that earned great importance in national and international level policies implementations. Forests are the large... more
Forest is one among the major resources that takes crucial role in sustaining ecological equilibrium and environmental system that earned great importance in national and international level policies implementations. Forests are the large area dominated by medicinal plants, timber, agricultural implements, carts & accessories, aromatic, oil yielding, fodder, dye, resin, flavoring agents, vegetables, pulses, fruits, and others products. Hiriyur forest lands are classified into dense & open deciduous, forest plantations and scrub forests zones that are mapped and digitized by Survey of India topomaps (1975 & 2009); IRS LISS-III (2001 & 2005) and Sentineal-2A satellite images (2019) in ArcGIS software. Satellite images portray meaningful and valuable data in identifying the changes and real factors of forest degradation. Supervised classification techniques using maximum likelihood algorithm are considered to achieve best results as final output maps. Geospatial approach is a powerful tool in adding immense value for governance policies, empower sustainable development goals, serve in better business-action plans by timely observation of forest resources and its sustainability.
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Lakes of urban regions contribute greatly towards ecological protected zones and true indicators for urban developmental strategies and its sustainability. Mysuru is the second biggest city in Karnataka blessed with dozens of lakes and... more
Lakes of urban regions contribute greatly towards ecological protected zones and true indicators for urban developmental strategies and its sustainability. Mysuru is the second biggest city in Karnataka blessed with dozens of lakes and attracts varieties of migratory birds, water fowls with lush green and being tourist destinations. The city is one of the tier II in the state and is a hub of industrial activities due to salubrious climate and availability of natural resources. Mysuru is known for its memorable annual Dasara celebrations which is an unforgettable events in the History of Karnataka. The notable waterbodies are Karanji, Kukkarahalli, Lingambudhi, Dalvoy and Devanoor lakes. Most of the streams belong to first order and few belong to second and third order. The study area portray decent greenery shelter and lakes enhances the beauty of the heritage city and also improved the groundwater table. Mysuru had over 30 lakes few decades ago, but at present only few lakes are surviving. During Maharaja's rule of 19 th century, most of the lakes were built to fulfil the purpose of water supply for domestic, industries, irrigation and other works through urban runoff and rainwater as main sources. The present study aims in the mapping of spatio-temporal detection of Mysuru lakes through manual and digital extraction of data in GIS environment. An attempt have made to analyze the changes of lakes coverage area using SoI toposheet, LISS-III, Sentinel-2A and Google Earth image by adopting Visual Image Interpretation Techniques (VIIT) through Erdas Imagine software. This study demonstrates the change detection and deterioration of lakes in Mysuru city due to human pressures and for future implementation strategies.
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Use of plant growth promoting rhizobacteria in managing bacterial canker disease of tomato was studied in the present work. Tomato seeds were treated with PGPR strains viz., Bacillus pumilus INR7, Bacillus pumilus SE34, Bacillus pumilus... more
Use of plant growth promoting rhizobacteria in managing bacterial canker disease of tomato was studied in the present work. Tomato seeds were treated with PGPR strains viz., Bacillus pumilus INR7, Bacillus pumilus SE34, Bacillus pumilus T4, Bacillus subtilis GBO3, Bacillus amyloliquefaciens IN937a and Brevibacillus brevis IPC11 were subjected for seed germination and seedling vigor. Among the PGPR strains tested, only three strains (IN937a, GBO3 and IPC11) which showed enhancement in the seed quality parameters like seed germination and seedling vigor, were further subjected for estimation of one of the defence-related enzymes, Phenylalanine Ammonia Lyase (PAL) with total phenol contents. The same three strains were recorded for maximum disease protection under greenhouse conditions. The level of PAL and total phenol contents increased significantly upon the PGPR treatment. The rate of reduction in the bacterial canker disease incidence was directly proportional to the amount of inc...
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Groundwater is one of the main natural resources having its application in various fields which affects its quantity. Groundwater pollution occurs when used water is returned to the hydrological cycle. The present study aims to assess the... more
Groundwater is one of the main natural resources having its application in various fields which affects its quantity. Groundwater pollution occurs when used water is returned to the hydrological cycle. The present study aims to assess the spatial variations of groundwater quality parameters in Southern tip of Karnataka using Geoinformatics technique. Efforts have been made to evaluate a total number of 46 representative groundwater samples (C1 to C46) from different parts of the study area during pre-monsoon period (April-May 2005) to assess its parameters such as F- , NO3-, CO3-, Cl- , Ca2+, Mg2+, Na+ , SO4 2-, Fe, K+ , pH and EC. Groundwater quality is found to be more controlled by rock-water interaction and residence time of water in aquifers and affected more by anthropogenic factors at many locations. Each Land Use/Land Cover (LU/LC) patterns and major lineaments are mapped and digitized using SoI topomap of 1:50,000 scale and IRS-1D, PAN+LISS-III satellite data through GIS so...
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There is a significant change in forest cover around the globe due to rapid rise in population, land use, forest fire, demand for economic mineral deposits, depletion of rainfall, climate change and global warming (?). The present aim is... more
There is a significant change in forest cover around the globe due to rapid rise in population, land use, forest fire, demand for economic mineral deposits, depletion of rainfall, climate change and global warming (?). The present aim is to focus mainly on planning and management of forest cover for environmental and socio-economic outcome to meet future needs. Mapping of forest cover and its Change Detection Analysis (CDA) is prepared using Survey of India (SoI) topomap of 1:50,000 scale; geo-rectified multi-spectral and multi-temporal image of IRS-1C/1D PAN+LISS-III of 5.8m resolution through GIS software’s. The final results highlight change detection in forest cover using multi-temporal satellite image using geo-informatics for its monitoring and sustainability
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Land and soil management in developing countries like India is very much necessary in better monitoring for future sustainable resources. These resources are over stretched and undergoing degradation at an unacceptable rate due to rapid... more
Land and soil management in developing countries like India is very much necessary in better monitoring for future sustainable resources. These resources are over stretched and undergoing degradation at an unacceptable rate due to rapid increase in population. Land use refers to mans activities & various uses which are carried on land; while land cover refers to natural vegetation such as water bodies, rock/soil, artificial cover and other resulting due to land transformations. Although land use is generally inferred based on the cover, yet both are closely related and interchangeable. Soil is a natural body developed by natural forces acting of natural materials. Soil is the loose and weathered rock material that covers the land surface of the earth and supports the growth of vegetation. The present aim is an attempt to classify the land use/land cover (LU/LC) and conserve the fertile upper layers of the study area. Geo‐coded FCC of IRS‐1D, PAN+LISS‐III satellite image and merged S...
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Earth’s land pattern is one of the natural resources which being pressurized across the globe due to various factors. Rapid increase in population, its rises agricultural activities, urbanization, significant mining for growing economic... more
Earth’s land pattern is one of the natural resources which being pressurized across the globe due to various factors. Rapid increase in population, its rises agricultural activities, urbanization, significant mining for growing economic minerals were the major anthropogenic factors impacting the Land Use/ Land Cover (LU/LC) patterns. The present aim is to map the LU/LC classification on LISS-III Satellite images in conjunction with Google Earth image through GIS software’s. An attempt have been made to delineate the level-I, level-II and level-III LU/LC classification system through NRSC guidelines (1995) using both Digital Image Processing (DIP) and Visual Image Interpretation Techniques (VIIT) with limited Ground Truth Checks (GTC). Level-III classification has been carried out in detail on agricultural to study the cropping pattern. More accurate classifications were observed in case of DIP as compared to that of VIIT in terms of area statistics. The final results highlight the c...
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Average global temperatures are higher than they have ever been during the past millennium and the levels of CO2 in the atmosphere have crossed all previous records. The earth’s climate is most affected by difference in temperatures on... more
Average global temperatures are higher than they have ever been during the past millennium and the levels of CO2 in the atmosphere have crossed all previous records. The earth’s climate is most affected by difference in temperatures on land, sea, water and topography. Climate is the average weather conditions with a minimum period of 30 years including temperature, rainfall, and wind. The present study aims to generate the primary data to map the rainfall trends and its impact on groundwater level fluctuation through geomatics techniques. Efforts have been made to evaluate a total of 40 representative rain gauge station samples and analyzed the seasonal rainfall variation over a period of 32 years (1983- 2014). 50 representative groundwater well samples are collected to study the season-wise groundwater fluctuation of about 14 years (2001-2014). Rain gauge stations are plotted on a base map with their respective amount of rainfall, and then the contours of equal rainfall (isohyetes)...
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Precipitation is an important factor in hydrological cycle that acts as the major source of all water resources on earth. Rise in temperature increases the evaporation of surface water bodies & transpiration in wetlands. Groundwater in... more
Precipitation is an important factor in hydrological cycle that acts as the major source of all water resources on earth. Rise in temperature increases the evaporation of surface water bodies & transpiration in wetlands. Groundwater in hard rock aquifers is essentially confined to fractured and/or weathered horizons which need thorough understanding, management and periodic monitoring. Groundwater is the invisible and ultimate indicator of the atmospheric anomalies in the hydrological cycle. The present aim is to analyze the rainfall variation impacts on groundwater table fluctuation in the study area through GIS potentiality. Selection of observation well points relies heavily on traditional methods; need a proper systematic approach which is lacking. Groundwater level data provides direct value of groundwater occurrences below ground level (bgl). Aquifers have the capacity to store large volumes of water and are naturally buffered against seasonal changes in temperature and rainfa...
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Water is one of the main natural resources that essential for human’s daily life, domestic, industrial and other various fields. This needs periodic assessing and monitoring for its sustainability. Mapping and integration of lithology,... more
Water is one of the main natural resources that essential for human’s daily life, domestic, industrial and other various fields. This needs periodic assessing and monitoring for its sustainability. Mapping and integration of lithology, geomorphology, drainage, lineament, soil, slope, land use/land cover and other related features had carried out in Southern tip of Karnataka State using GIS techniques in assessing the groundwater prospect zones. The present study aims to predict the good, moderate, poor and very poor groundwater prospects zones using water level measured in available dug/bore wells of the study area collected during the year 2014. Each lithological units and geomorphological landforms are mapped during limited field visits and digitized using Visual Image Interpretation (VIIT) and Digital Image Processing (DIP) on Satellite Remote Sensing data through GIS’s software. The final results highlight the potentiality of GIS application in mapping of groundwater prospect zo...
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Geological and Geomorphological mapping was carried out in Yelandur taluk, Chamarajanagara district, Karnataka State through visual interpretation of IRS-1D, PAN+LISS-III and geocoded data prepared by SOI-year 2001 on 1:50,000 Scale.... more
Geological and Geomorphological mapping was carried out in Yelandur taluk, Chamarajanagara district, Karnataka State through visual interpretation of IRS-1D, PAN+LISS-III and geocoded data prepared by SOI-year 2001 on 1:50,000 Scale. Various litho units such as peninsular gneisses, dykes and Charnockites of Archean age were mapped using GIS analysis. The general trends of majority of the lineaments are towards NNW and N10-15 0 E. Major identified geomorphic units are denudational hills, pediments, inselbergs, shallow & moderately weathered pediplains and valleys were demarcated. Different land forms under each geomorphic unit were also mapped.
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Urban environmental appraisal is a complex process involving the interplay of geological, hydrological and several other environmental parameters including geospatial data. Mysore urban exhibits flat to gently undulating topography with... more
Urban environmental appraisal is a complex process involving the interplay of geological, hydrological and several other environmental parameters including geospatial data. Mysore urban exhibits flat to gently undulating topography with the elevation varying from 700-725 m above MSL with a gentle slope towards the South. The perennial river, Cauvery flows from west to east in the northern parts of the study area. The spectral signature of satellite images (7 bands) of IRS-1D, PAN+LISS-III and geospatial data from SoI toposheet (scale-1:50,000) were processed by GIS analysis, to classify the study area into two zones i.e., buffer zone and core zone. Mysore is one of the major cities in Karnataka producing nearly 600 tons of solid wastes everyday that need more landfill sites. The existing landfill site in the study area is operating within the core zone above a major lineament and affecting the groundwater, human health and surrounding environment. This study aims to delineate the sa...
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Sand is one of the most important non-living resource/mineral formations on the earth's surface. The sand formation is recorded only in the recent ages of the earth's history. Sand has become a very important mineral resource in... more
Sand is one of the most important non-living resource/mineral formations on the earth's surface. The sand formation is recorded only in the recent ages of the earth's history. Sand has become a very important mineral resource in our society due to its applications in various fields. Sands of river streams have no substitute for use as building material in reinforced concrete cement. It can be used for making concrete, filling roads, building sites, brick-making, glass industries, sandpapers, reclamations to replace eroded coastline etc. Efforts have been made to evaluate IRS-1D, PAN+LISS-III of False Color Composite (FCC) through Visual Image Interpretation Techniques (VIIT) using GIS software's. The whole study area is drained by Cauvery and Kabini river basins that carry sand from different locations and deposits largely at meandering. Especially, Talakadu area has massive deposits of sands on the windward side of river. It covers sand dunes in the river bank by the fa...
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Land is a non-renewable resource and mapping of LU/LC is essential for planning and development of land and water resources in a region of engineering projects under progress. Land is an area of the earth surface, which embraces all... more
Land is a non-renewable resource and mapping of LU/LC is essential for planning and development of land and water resources in a region of engineering projects under progress. Land is an area of the earth surface, which embraces all reasonable stable or predictably cyclic, attribute of the biosphere including the atmosphere, soil and underlying geology. Hydrology, plant and animal population are the results of the past and present human activity to the extent that significantly influences on present and future LU/LC system. Proper management and development of these lands should be initiated to increase the land productivity, restoration of soil degradation, reclamation of wastelands, increase the environmental qualities and to meet the needs of rapidly growing population of the country. Remote Sensing (RS) satellite data with its synoptic view and multispectral data provides essential information in proper planning of LU/LC conditions of the larger areas. An attempt have been made to delineate the level-1, level-2 and level-3 LU/LC classification system through NRSC guidelines (1995) using both digital and visual image interpretation techniques by Geographical Information Systems (GIS) software’s. The classification accuracy is found to be more in case of digital technique as compared to that of visual technique in terms of area statistics. Efforts have been made to classify the LU/LC patterns using False Color Composite (FCC) data of IRS-1D PAN+LISS-III (Band: 2,3,4) through MapInfo v7.5, ArcView v3.2, Erdas Imagine v2011 and ArcGIS v10. The final results highlight the potentiality of geomatics in classification of LU/LC patterns around Chamarajanagara district, Karnataka, in natural resource mapping and its management which is a suitable model for application to similar geological terrain.
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DESCRIPTION 50 representative well samples are considered to study the groundwater table month-wise fluctuation of about 12 years (2000-2011)
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India is extremely liable to floods and out of the overall region of 329 mha, over 40 mha is flood prone. Floods are recurrent phenomenon, which cause huge loss of lives and damage to livelihood system, loss of domestic animals, property,... more
India is extremely liable to floods and out of the overall region of 329 mha, over 40 mha is flood prone. Floods are recurrent phenomenon, which cause huge loss of lives and damage to livelihood system, loss of domestic animals, property, infrastructure and public utilities. It is a cause for great concern that the increasing trends are noticed to be high in connection with flood damages. This can be attributed to many reasons including rapid increase in population & urbanization coupled with growing developmental and economic activities in the floodplains and global warming. Continuing and large scale loss of lives and damage to public and private property due to floods indicate that it still need to develop an effective response to floods. The present study aims to strengthen the existing criteria for flood preparedness and to minimize the risk analysis in Kapila River floodplains of Nanjangud. Limited field visits are carried out during & after flood impacts and field photographs has been effectively collected. Survey of India (SoI) topomap, IRS-1D, PAN+LISS-III and ASTER G-DEM satellite data are processed through GIS environment. It is hoped that this humble effort will prove useful to decision makers in formulating effective Flood Management Plans in the future for similar geological terrains.
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Accurate and reliable information about Land Use Land Cover (LU/LC) patterns are very much necessary in monitoring and updating the specified area. Over the past two decades, the earth’s surface features modified rapidly by global... more
Accurate and reliable information about Land Use Land Cover (LU/LC) patterns are very much necessary in monitoring and updating the specified area. Over the past two decades, the earth’s surface features modified rapidly by global warming, over exploitation of economic deposits, increase in mining activities, construction of dams, industrialization and population explosion. Synoptic view and multispectral information of satellite images produce crucial data in optimum planning of LU/LC conditions of the country. The study aims to map and monitor the existing LU/LC classification systematically using geospatial tools in database generation, analyses and information extraction. Thematic maps of H.D (Heggada Devana) Kote are prepared using satellite images in conjunction with collateral data of Survey of India (SoI) toposheets, forest and wasteland maps. Level-I, Level-II and Level-III LU/LC classes has generated through NRSC guidelines (2011) using GIS software’s with limited field survey. The results support for optimal and sustainable land use implementation and management strategies.
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Mysore-betel leaf is a variety of heart shaped betel (Piper betel) leaf grown in and around Mysuru region. These are said to differ from other betel leaves due to their smooth texture, hot taste & flavor and traditionally offered as a... more
Mysore-betel leaf is a variety of heart shaped betel (Piper betel) leaf grown in and around Mysuru region. These are said to differ from other betel leaves due to their smooth texture, hot taste & flavor and traditionally offered as a mark of respect and auspicious beginnings. Mysore-betel leaf (Chigurele or Veelyedele) has been traditionally used as ink, stimulant, laxative and contraceptive and has held pride of place in cultivation within villages and palace gardens since the time of the Wodeyar Maharajas of Mysore. The air in the district was once thick with the aroma of Mysuru Mallige (Jasmine), but unplanned and rapid urbanization has seen the cultivation of the flower decline perceptibly. Now after Mallige, the famed Mysore-betel leaf farms are disappearing due to urbanization threat that could become casualty of near unfettered modernization. There are hardly any Mysuru-betel leaf growers in the city limits. Betel leaf farms in the city ran into hundreds of acresstretching from Shankara Mutt to Koppaluru in JP nagar; from KG Kopplu to Ashokapuram-but now most of them have either been transformed into large residential layouts, or hospitals and colleges.
Research Interests:
Land identification and classification on a remotely sensed data play a major role in planning and designing of megastructures and proper land utilization in the present scenario. Rapid decrease in natural resources were recorded all over... more
Land identification and classification on a remotely sensed data play a major role in planning and designing of megastructures and proper land utilization in the present scenario. Rapid decrease in natural resources were recorded all over the world due to gradual increase in population, human forces, rapid industrialization, urban sprawl, illegal mining, global warming (?) etc. These causing greatest impact on surface & groundwater, forest, natural vegetation and also deterioration of bare land with more built-up and dumping of garbage. Fast increase in population demands for larger volume of food, fodder and fuel wood have compelled to massive scale environment degradation and ecological imbalance. Observing each land category is important, so as to know the dynamics of population and quality of life. Accurate land mapping can be an effective tool for better land developmental strategies to meet the needs of human demands. Land categories have been digitized from FCC data of IRS-1D PAN+LISS-III in GIS environment. Level-1, Level-2 and Level-3 land classifications were analyzed using NRSC guidelines (1995) in which the classification accuracy in terms of area statistics is found to be more precise in case of digital technique as compared to that of visual technique. The present study highlights the land classification mapping for natural resource management and monitoring to balance the future needs.
Research Interests:
Research Interests:
Geospatial approaches address cost-beneficial, convenient and genuine data moreover by temporal domain for natural resource management and developmental planning. Forest conservancy and its impact on environment have gained importance in... more
Geospatial approaches address cost-beneficial, convenient and genuine data moreover by temporal domain for natural resource management and developmental planning. Forest conservancy and its impact on environment have gained importance in national and international program. Extreme changes on forest cover around the globe had recorded by fast jump up in population, varying in land use activities, forest fires, pressure on economic mineral deposits, reduced rain conditions and climate change. Forest degradation is a matter of grave concern and prime focus that immensely required for forest sustainable management through systematic planning. According to 1999 assessment of the Karnataka Forest Department, Molakalmuru taluk holds 21% spread of forest cover which includes open deciduous; dense/closed deciduous; forest plantations and scrub forest. The study focuses on timely designing & management of forest lands to satisfy future desires. Mapping of forest lands and its detection is explored using topographic maps of 1:50,000 scale; geo-rectified satellite data of IRS-LISS-III and Sentinel-2A through GIS software's. The ultimate output outlines the forest land exploitation using geospatial tools for its sustainability.
Research Interests:
Precambrian basement rocks of Chitradurga Schist Belt (CSB) in Dharwar Craton comprises of enormous ore deposits, lithological contacts and mineralized zones. Spectral signatures of a mineral/ rock/ ore have opened a new vista in their... more
Precambrian basement rocks of Chitradurga Schist Belt (CSB) in Dharwar Craton comprises of enormous ore deposits, lithological contacts and mineralized zones. Spectral signatures of a mineral/ rock/ ore have opened a new vista in their scientific exploration and systematic mapping. In present study, 14 random samples of iron, manganese, limestone, komatiite, gneiss, fuchsite quartzite, conglomerate, biotite-granite, metagabbro, copper ore, dolerite, auriferous quartz, quartz vein and actinolitetremolite schist are collected from central part of the Chitradurga Schist Belt of Dharwar Craton. These major rocks and minerals are studied as thin section under microscope, ICP analysis and ASD FieldSpec 3 Spectroradiometer to construct a model to map such resources successfully. This study synthesized the relationship of spectral absorption features of the rock/ mineral samples with the major and minor mineral constituents and compositions. Comprehensive model is a theoretical constructed design in the present study to seek more information under one platform to construct a spectral library for the selected samples along with their modified geological succession. This model also refers the spectral signatures of minerals, the rocks available in the USGS, JPL and JHU spectral library, in the vision to develop a spectral library of minerals of India.
Research Interests:
The water levels in Krishna Raja Sagara (KRS) reservoir depended mainly on the southwest monsoon over Karnataka, especially at the Cauvery catchment area and its inflow. The Krishna Raja Sagara (KRS) reservoir with the gross capacity of... more
The water levels in Krishna Raja Sagara (KRS) reservoir depended mainly on the southwest monsoon over Karnataka, especially at the Cauvery catchment area and its inflow. The Krishna Raja Sagara (KRS) reservoir with the gross capacity of 49.45 thousand million cubic feet (tmc ft) and maximum water level is 124.8 ft that quenches major cities of Bengaluru, Mysuru, Mandya and other 47 towns and 625 nearby villages for their daily needs. With water levels drastically receding during extreme hot conditions in the Cauvery basin, Bengaluru is more likely staring at severe drinking water shortage. Water scarcity issues may arise in upcoming years due to its demand especially in industrial sectors of Bengaluru city, low rainfall conditions, rapid evapo-transportation due to extreme summer seasons and global warming (?). The present work deals with the utilization of GIS based Analytical Hierarchy Process (AHP) technique to delineate best sites to modify surface runoff through limited field visits. SoI toposheet, IRS-LISS-III and ASTER DEM data are collected to achieve present aim. All the important thematic layers have been digitized and overlaid one above the other to produce desired output in GIS environment. Each generated thematic maps have been assigned suitable weightages using AHP depending on the features priority to derive suitable sites for groundwater augmentation. The final results highlight the best sites for Artificial Recharge Structures (ARS) in decision making process which is a suitable model for similar geological terrain using AHP approach.
Research Interests:
Specific group of land categorization on a satellite image is a fundamental task to determine the spatial knowledge and its importance. Several image classification techniques are produced to create standardized Land use and Land cover... more
Specific group of land categorization on a satellite image is a fundamental task to determine the spatial knowledge and its importance. Several image classification techniques are produced to create standardized Land use and Land cover (LULC) maps that facilitate analysis on ecological processes and human activities. Mapping land use/land cover changes at regional scales is essential for a wide range of applications including landslide, erosion, land planning, global warming etc. LULC alterations by human intrusions negatively affect the patterns of climate, the patterns of natural hazard and socioeconomic dynamics in global and local scale. The present study aims to map the existing LU/LC classification scientifically using geospatial tools in database generation, analyses and information extraction. Thematic maps of the study area are prepared using satellite images in conjunction with collateral data such as Survey of India (SoI) toposheets, forest and wasteland maps by GIS software's. An attempt is created to extract Level-I, Level-II and Level-III LU/LC classification through NRSC guidelines (2011) using both Digital Image Processing (DIP) and Visual Image Interpretation Techniques (VIIT) with limited Ground Truth Check (GTC). The present study helps in understanding various land use and land cover patterns for efficient environmental monitoring and effective water management.
Research Interests:
Dharwar Craton comprises of Chitradurga Schist Belt with enormous economic ore deposits that can be efficiently mapped using multispectral ASTER data in GIS environment. By understanding of spectral absorptions features of based on their... more
Dharwar Craton comprises of Chitradurga Schist Belt with enormous economic ore deposits that can be efficiently mapped using multispectral ASTER data in GIS environment. By understanding of spectral absorptions features of based on their optical and physico-chemical characters is significant in Satellite Remote Sensing technique to map and explore the economic important minerals of the rock. Advanced Spaceborne Thermal Emission and Reflection Radiometer (ASTER) sensor imagery, played an important part in lithological discrimination. This present study aims to develop new band ratioing in differentiating the iron ores and associated lithology of granitic-gneiss region using ASTER Principal Component Analysis (PCA). To discriminate the iron ore deposits of the study area, the ASTER spectral bands are processed by band ratio [(1+3)/2, (3+5)/4, (7+9)/8] imaging process using Envi 4.8 software by reviewing the revealed scientific literatures. The resulted image clearly discriminated the iron ore deposits and mapped the occurrence and spatial distribution of associated rocks of the area. This study highlights ASTER capability in discrimination of the iron ore deposits from associated lithologies and appropriate for similar geological terrain of Southern India.
Research Interests:
Manganese is one of the most widely distributed elements in the earth's crust and mapping of these deposit are of high economic interest. Manganese occurs as diverse genetic types that is vital for iron and steel production. It occurs... more
Manganese is one of the most widely distributed elements in the earth's crust and mapping of these deposit are of high economic interest. Manganese occurs as diverse genetic types that is vital for iron and steel production. It occurs usually in the form of oxide, hydroxide, carbonate and silicate which is an important raw material for iron, steel industry, chief manufacturer of chemicals and dry cells in the form of manganese dioxides. Advanced analysis of hyperspectral signatures and GPS applications have opened a newest approach in exploration and systematic mapping of economic ore deposits. The present study aims to integrate the hyperspectral signatures with major elements of manganese ore deposits of Halekal band in Bhahaddurghatta-Hosahatty village of Chitradurga Schist Belt. The samples collected from field are studied in the laboratory using thin and polished sections under microscope and X-Ray Diffraction (XRD) analysis. Efforts are created to assess the spectral signatures of four representative random ore samples collected and analyzed through ASD Spectro-radiometer instrument operative in Visible and InfraRed (325 to 2500 nm) region with concentration of major elements. This study clearly demonstrated and documented the spectral absorption features of the selected rock samples in the study area mainly depend on the optical and physico-chemical characters of the rock and major elemental composition as well as mineral constituents of the samples.
Research Interests:
Land is one among the non-renewable resources and its mapping is vital in land and water resource development. Land is a part of earth surface that supports all attributes of regions together with the atmosphere, soil and underlying... more
Land is one among the non-renewable resources and its mapping is vital in land and water resource development. Land is a part of earth surface that supports all attributes of regions together with the atmosphere, soil and underlying geology. Hydrology, plant and animal population are the results of the past and present human actions to the extent that considerably influences on land patterns sustainability. Remote Sensing (RS) satellite images with its synoptic reading and multispectral information embrace essential data for scientific handling of LU/LC conditions of the larger areas. Efforts have been made to classify the LU/LC patterns using False Color Composite (FCC) data of IRS-1D PAN+LISS-III (Band: 2,3,4) through ArcGIS v10. An attempt have been made to delineate the level-I, level-II and level-III LU/LC classification analysis through NRSC guidelines (1995) using both digital and visual image interpretation techniques in GIS environment. The classification accuracy is found to be more precise in case of digital technique as compared to that of visual technique in terms of area statistics. The database provides spatial baseline information in distribution, extent and temporal behavior of specific land pattern in planning and implementation of development strategies in the country.
Research Interests:
Earth's surface data are analysed for various domains of policy, designing and management goals. Over the last 3 centuries, rapid growth in population and economic boom have initiated fast changes on land cover and there's impact will... more
Earth's surface data are analysed for various domains of policy, designing and management goals. Over the last 3 centuries, rapid growth in population and economic boom have initiated fast changes on land cover and there's impact will accelerate in the future. These fast changes are superposed on long-term dynamics associated with climate variability. The present study aims to map and monitor the existing Land Use/ Land Cover (LU/LC) classification scientifically using geospatial tools in database generation, analyses and information extraction. There are totally different views within the classification method, and therefore the method itself tends to be subjective, even once an objective numerical approach is employed. Land use Land cover of Level-I, Level-II and Level-III LU/LC classifications are delineated through NRSC standards (2011) using both Digital Image Processing (DIP) and Visual Image Interpretation Techniques (VIIT) with limited Ground Truth Check (GTC). The results portray the geospatial capability in best and sustainable land cover designing of natural resources and its management.
Research Interests:
Dharwar Craton composed of large diversified litho units. The rock formations of Karnataka in the geological history are largely confined to two oldest eras the Archean and the Proterozoic, the rest of the great periods from Cambrian to... more
Dharwar Craton composed of large diversified litho units. The rock formations of Karnataka in the geological history are largely confined to two oldest eras the Archean and the Proterozoic, the rest of the great periods from Cambrian to resent. Most of the economical valuable mineral deposits are associated with Precambrian rocks. Steatite is a compact metamorphic rock with much of it talc mineral along with other minor impurities. Due to their unique heat resistant and other physical properties they are used in ovens, masonry heaters, fireplace liners, cookware, electronic insulator and carvings etc. Occurrences and good workable deposit of Steatite around Vadrahalli village of Hassan district have been identified and demarcated. Fresh samples of steatite, metabasalt, basic dyke and pegmatic gneiss were randomly collected in the field through GTC (Ground Truth Check). Rock samples were studied under transmitted light microscope, Reflected light microscope, SEM-EDX and Spectro-Radiometer. Spectral signatures were studied by Spectro-Radiometer (Spectral Evolution SR-3500) instrument, DARWinSP.V.1.3.0 and ArcGIS software. Petrography helped to know the minerals which are associated with steatite, SEM-EDX studies helped to know the high Mg and Cr elemental percentage present in the given steatite sample. The spectral signatures of the collected samples were derived in laboratory environment to achieve better accuracy. Spectral signature curves of steatite were derived based on their physico-chemical and optical properties. The present work is aimed for studying the petrochemical signatures and hyperspectral signatures of steatite and their associated litho units. The final results highlight the spectral characters of steatite for mapping and demarcating the deposit in the study area and also for better mapping in similar terrains around Precambrian terrains, Dharwar Cratonic group of Karnataka State.
Research Interests:
Geospatial approaches address cost-beneficial, convenient and genuine data moreover by temporal domain for natural resource management and developmental planning. Forest conservancy and its impact on environment have gained importance in... more
Geospatial approaches address cost-beneficial, convenient and genuine
data moreover by temporal domain for natural resource management and developmental planning. Forest conservancy and its impact on environment have gained importance in national and international program. Extreme changes on forest cover around the globe had recorded by fast jump up in population, varying in land use activities, forest fires, pressure on economic mineral deposits, reduced rain conditions and
climate change. Forest degradation is a matter of grave concern and prime focus that immensely required for forest sustainable management through systematic planning. According to 1999 assessment of the Karnataka Forest Department, Molakalmuru taluk holds 21% spread of forest cover which includes open deciduous; dense/closed
deciduous; forest plantations and scrub forest. The study focuses on timely designing and management of forest lands to satisfy future desires. Mapping of forest lands and its detection is explored using topographic maps of 1:50,000 scale; geo-rectified satellite data of IRS-LISS-III through GIS software. The ultimate output outlines the
forest land exploitation using geospatial tools for its sustainability.
data moreover by temporal domain for natural resource management and developmental planning. Forest conservancy and its impact on environment have gained importance in national and international program. Extreme changes on forest cover around the globe had recorded by fast jump up in population, varying in land use activities, forest fires, pressure on economic mineral deposits, reduced rain conditions and
climate change. Forest degradation is a matter of grave concern and prime focus that immensely required for forest sustainable management through systematic planning. According to 1999 assessment of the Karnataka Forest Department, Molakalmuru taluk holds 21% spread of forest cover which includes open deciduous; dense/closed
deciduous; forest plantations and scrub forest. The study focuses on timely designing and management of forest lands to satisfy future desires. Mapping of forest lands and its detection is explored using topographic maps of 1:50,000 scale; geo-rectified satellite data of IRS-LISS-III through GIS software. The ultimate output outlines the
forest land exploitation using geospatial tools for its sustainability.
Research Interests:
This book covers the fundamentals of remote sensing and GIS for engineers, including all of the topics that are connected to remote sensing as well as the main parts of photogrammetry, GPS, and GIS. For the successful completion of a... more
This book covers the fundamentals of remote sensing and GIS for engineers, including all of the topics that are connected to remote sensing as well as the main parts of photogrammetry, GPS, and GIS. For the successful completion of a variety of surveys, including navigation, geodynamics, hydrology, and disaster management, among others, having a fundamental comprehension of these components is necessary.
To generate development plans for the watershed area that are following the production potential and limitations of the terrain resources, remote sensing and GIS techniques can be utilized. These techniques can also be utilized to assess the impact of these measures before their actual implementation in the field.
The major objective of the area of geoinformatics is to achieve an integration of several fields that are concerned with spatial information. The procedures of surveying and making maps have been dramatically transformed as a consequence of the advent of satellite remote sensing and the subsequent development of the Global Positioning System (GPS) and the Geographical Information System (GIS). As a consequence of this, those who work in theacademic world, as well as the commercial world, have started to refer to these topics by a single overarching term: geoinformatics.
To generate development plans for the watershed area that are following the production potential and limitations of the terrain resources, remote sensing and GIS techniques can be utilized. These techniques can also be utilized to assess the impact of these measures before their actual implementation in the field.
The major objective of the area of geoinformatics is to achieve an integration of several fields that are concerned with spatial information. The procedures of surveying and making maps have been dramatically transformed as a consequence of the advent of satellite remote sensing and the subsequent development of the Global Positioning System (GPS) and the Geographical Information System (GIS). As a consequence of this, those who work in theacademic world, as well as the commercial world, have started to refer to these topics by a single overarching term: geoinformatics.
Research Interests:
Stress has a great influence on the Physical Health and Psychological Well-Being of a person. Caretakers who spend their maximum day-time with children of intellectual disability show greater level of stress which further affects their... more
Stress has a great influence on the Physical Health and
Psychological Well-Being of a person. Caretakers who spend
their maximum day-time with children of intellectual disability
show greater level of stress which further affects their
Psychological Well-Being. The present research aims to study the
relationship between Perceived Stress and Psychological WellBeing of caretaker’s of children with intellectual disability. The
research also tries to explore whether Perceived Stress has a
significant relationship in specific category of psychological symptoms. A sample of 30 caretakers of children with intellectual
disability was chosen through random sampling, from different
Special Schools in Mysuru. Perceived Stress Scale by Cohen, S.,
and General Health Questionnaire (GHQ-28) by Goldberg, D.,
were effectively utilized in the present study and measured
through SPSS software. This study focuses on the relationship
between Perceived Stress and Psychological Well-Being of
caretakers, of the children with intellectual disability in the
context of special school environment.
Psychological Well-Being of a person. Caretakers who spend
their maximum day-time with children of intellectual disability
show greater level of stress which further affects their
Psychological Well-Being. The present research aims to study the
relationship between Perceived Stress and Psychological WellBeing of caretaker’s of children with intellectual disability. The
research also tries to explore whether Perceived Stress has a
significant relationship in specific category of psychological symptoms. A sample of 30 caretakers of children with intellectual
disability was chosen through random sampling, from different
Special Schools in Mysuru. Perceived Stress Scale by Cohen, S.,
and General Health Questionnaire (GHQ-28) by Goldberg, D.,
were effectively utilized in the present study and measured
through SPSS software. This study focuses on the relationship
between Perceived Stress and Psychological Well-Being of
caretakers, of the children with intellectual disability in the
context of special school environment.