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Co-Authors
- B. R. Manjunatha
- A. Sathy Naidu
- A. R. Karbassi
- K. V. Subbarao
- V. Kolla
- R. Thompson
- R. B. Galloway
- K. Balakrishna
- T. M. Balakrishnan Nair
- V. Ramaswamy
- G. Parthiban
- M. Sundararajan
- Shaila Bantanur
- Mahua Mukherjee
- K. Pandarinath
- Mihir Deb
- M. Jayananda
- B. Mishra
- C. N. Prabhu
- A. K. Warrier
- G. T. Vijaya Kumara
- B. Sekar
- T. A. Viswanath
- A. Sathesh
- R. P. Santhosh
- Nir Orion
- Chris King
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Journals
- Journal of Geological Society of India (Online archive from Vol 1 to Vol 78)
- Indian Journal of Science and Technology
- Current Science
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- ICTACT Journal on Image and Video Processing
- HuSS: International Journal of Research in Humanities and Social Sciences
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z All
Shankar, R.
- Workshop on Isotope Geochemistry and Radiochemistry in the Marine Environment May 22-30,2000
Abstract Views :200 |
PDF Views:132
Authors
Affiliations
1 Department of Marine Geology and Geophysics, Mangalore University, Mangalagangotri 574 199, IN
1 Department of Marine Geology and Geophysics, Mangalore University, Mangalagangotri 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 56, No 3 (2000), Pagination: 340-340Abstract
No Abstract.Full Text
- Behaviour and Distribution Patterns of Particulate Metals in Estuarine and Coastal Surface Waters near Mangalore, Southwest Coast of India
Abstract Views :211 |
PDF Views:2
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 55, No 2 (2000), Pagination: 157-166Abstract
Physico-chemical properties of water (pH, dissolved oxygen, salinity and suspended matter concentrations) and geochemistry (Cu, Pb, Zn, Ni, Co, Mn, Fe, Al, Ca and loss-on-ignition) of suspended particulates have been measured for the first time in the Netravati-Gurpur estuary and the adjacent coastal environment, southwestern India. The main objective was to understand the influence of physico-chemical properties of estuarine and coastal waters on the behaviour, association and dispersal patterns of particulate metals.Suspended particulate matter (SPM) from the estuarine and coastal environments have higher Cu, Pb and Zn (by factors of 1.5-2.7) than the Netravati-Gurpur riverine SPM, indicating enrichment of these metals with increasing salinity. In contrast, Al, Fe, Mn, Co and Ni contents and the corresponding metaltal ratios are marginally lower (by factors of 1.1 - 1.5) than those for riverine SPM, suggesting not only a decrease of terrigenous influx seaward, but also removal of trace metals from the particulate phase. R-mode factor analysis of the data has shown that detrital particles (with Fe oxide coating), clays and Mn-oxide are the major factors that control particulate metal association. Factor score distribution patterns suggest that detrital particles coated with Fe oxide are deposited in the estuary and nearshore region, whereas clays and Mn-oxide seem to be transported further into the coastal sea. Copper, Pb and Zn show an anomalous behaviour and are negatively loaded on all the three major factors.
Keywords
Estuarine Geochemistry, Particulate Metal Association, Elemental Dispersal Patterns, Netravati-Gurpur Estuary, West Coast, India.
- Geoscience Awareness Programmes at Mangalore University
Abstract Views :159 |
PDF Views:156
Authors
Affiliations
1 Department of Marine Geology, Ocean Science and Technology Cell, Mangalore University, Mangalagangotri 574 199, IN
1 Department of Marine Geology, Ocean Science and Technology Cell, Mangalore University, Mangalagangotri 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 55, No 1 (2000), Pagination: 104-105Abstract
No Abstract.Full Text
- Palaeomonsoon History During the Late Quaternary: Results of a Pilot Study on Sediments from the Laccadive Trough, Southeastern Arabian Sea
Abstract Views :194 |
PDF Views:2
Authors
A. Sathy Naidu
1,
R. Shankar
2
Affiliations
1 Institute of Marine Science, University of Alaska Fairbanks, Fairbanks, AK 99775, US
2 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
1 Institute of Marine Science, University of Alaska Fairbanks, Fairbanks, AK 99775, US
2 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 53, No 4 (1999), Pagination: 401-406Abstract
Stratigraphic sections of carbonate-free sediments at 5-10 cm intervals of a 1.2 m core (CA 3800) from the Laccadive Trough (water depth: 1724m) were analyzed for organic carbon (OC), nitrogen (N), OC/N, δ13C and δ15N, using a continuous flow stabte isotope mass spectrometer. Data on CaCO3 were also used. The generally high concentrations of OC (0.9-2.16%) and CaCO3 (32.2-54.4%) presumably reflect high productivity at the core site. The predominantly marine origin of the OC is indicated by the -19.6 to -18.2 δ13C values.
Significantly higher carbonate is recorded in the Holocene than in the late Glacial, presumably reflecting increased Holocene productivity resulting from enhanced upwelling and summer monsoon during the Interglacial than Glacial. The late Glacial to Holocene increase in the mean OC/N from about 13 to 16 and δ15N by 2‰, presumably mirrors a relative increase in denitrification in the oxygen-deficient zone coinciding with enhanced Holocene productivity in the southeastern Arabian Sea. Our interpretation on the paleoproductivity is consistent with those for the western Arabian Sea proposed by earlier workers for the above time period.
Keywords
Marine Geology, Palaeomonsoon, Quaternary, Carbonate-Free Sediments, Laccadive Trough, Arabian Sea.- Saving on the Cost of Perspex Liner Used in Sediment Coring Operations
Abstract Views :177 |
PDF Views:129
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, Karnataka, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, Karnataka, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 31, No 6 (1988), Pagination: 591-593Abstract
The use of polythene tube inside the expensive perspex liner in sediment-coring operations helps avoid longitudinal splitting of the perspex liner so that the latter can be repeatedly used. The merits and demerits of such a practice are discussed. After weighing the pros and cons, it is found that the use of polythene tube brings down the recurring expenditure on perspex liner practically to nil and at the same time it offers many advantages.Full Text
- How old are the Old Mine Workings of Ingaldhal (Karnataka) ?
Abstract Views :199 |
PDF Views:4
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574199, Karnataka, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574199, Karnataka, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 33, No 1 (1989), Pagination: 64-70Abstract
Two 14C dates (2070 ± 110 years B.P. and 1820 ± 100 years B.P.) on wooden logs which were used as supports in old workings of lngaldhal copper mines are reported here. These dates are discussed in a historical/archaeological perspective.- IUGS Commission on Geoscience Education and Training
Abstract Views :194 |
PDF Views:126
Authors
Affiliations
1 Mangalore University, Mangalagangotri 574199, IN
1 Mangalore University, Mangalagangotri 574199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 36, No 5 (1990), Pagination: 546-546Abstract
No Abstract.Full Text
- Geocbemistry and Magnetic Susceptibility of Surficial Sediments of the New Mangalore Port
Abstract Views :173 |
PDF Views:1
Authors
R. Shankar
1,
A. R. Karbassi
1
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199 (DK), IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199 (DK), IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 38, No 4 (1991), Pagination: 412-417Abstract
A geochemical study of surficial sediments of the New Mangalore Port has shown that there is no anthropogenic input of base metals (Cu, Zn, Pb, Mn and Fe). In comparison with the adjoining inner shelf sediments, Port sediments seem to have a higher proportion of detrital particles and hence relatively less organic matter. Manganese is found predominantly as adsorbed species. Other base metals are present in the lithogenous fraction. Organo-metallic association, reported by several workers for sediments, is not found in the Port sediments. Magnetic susceptibility of the sediments (Xm = 16.6 x 10-6 emu/g) is higher than that for shelf sediments. This is because of deposition of detrital particles of magnetic minerals in the nearshore area. The susceptibility values are not high enough to suggest any particulate pollution due to the Kudremukh iron ore loading operations at the New Mangalore Port.Keywords
Geochemistry, New Mangalore Port, Base Metals, Pollution.- Sedimentological Evidence for a Palaeobeach off Mangalore, West Coast of India
Abstract Views :203 |
PDF Views:2
Authors
R. Shankar
1,
A. R. Karbassi
2
Affiliations
1 Department of Geology and Geophysics, University of Edinburgh, West Mains Road, Edinburgh EH93JW, GB
2 Institute of Environmental Studies, Tehran University, PO Box 14155-6135, Tehran, IN
1 Department of Geology and Geophysics, University of Edinburgh, West Mains Road, Edinburgh EH93JW, GB
2 Institute of Environmental Studies, Tehran University, PO Box 14155-6135, Tehran, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 40, No 3 (1992), Pagination: 241-252Abstract
Sedimentological and SEM studies have been carried out on surface and sub-surface samples of outer shelf sands off Mangalore, west coast of India. The outer shelf sediments can be described as coarse sands, moderately sorted, nearly symmetrical to positively skewed and mesokurtic. Multi·group discriminant analysis of the data shows that the sands were deposited in a beach environment during Pleistocene when the sea level was lower than at present. SEM studies reveal mechanically formed features like 'v' pits and curved grooves, which also corroborate the beach environment of deposition. The' v' pits and grooves have been smoothened due to chemical etching of the grains as the latter were in contact with sea water subsequent to the Pleistocene-Holocene transgression. Similar sand in cores obtained from east of the palaeobeach indicates its extension beneath Recent sediments. The thickness of palaeobeach sand increases landward. The cores studied have recorded tbe marsh Get black colour and abundance of vegetative matter), beach (coarse sands) and inner shelf (clayey silt) environments that prevailed at the core site as the sea transgressed. It is proposed that the outer shelf sands were not covered by Recent sediments because of the insufficient supply of sediments from the small, west-flowing rivers of Peninsular India, entrapment of sediments in estuaries, and onshore transport of sediments in the West coast region.Keywords
Palaeobeach, Mangalore, West Coast, Pleistocene-Holocene, Sedimentology.- Magnetic and Sedimentological Studies of Netravati and Gurpur River-Bed Sediments, West Coast of India
Abstract Views :214 |
PDF Views:1
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri-574199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri-574199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 44, No 4 (1994), Pagination: 413-426Abstract
Magnetic susceptibility and sedimentological studies have been carried out on Netravati and Gurpur river-bed sediments along the west coast of India to throw light on the distribution and movement of magnetic minerals in the riverine environment. The sediments studied are coarse to fine sands, platy to leptokurtic and poorly to well sorted. Granule to medium size sands dominate in the upstream segment. whereas very fine sand and silt+clay are either absent or of negligible importance. Netravati river-bed sediments have a two-fold higher bulk susceptibility than Gurpur sediments because the Netravati drainage basin has magnetite quartzites, amphibolites and garnetiferous biotite gneisses in contrast to granitoids found in the Gurpur drainage basin. This trend of susceptibility is seen for the 13 particle size fractions studied.
Magnetic minerals are concentrated in poorly sorted, fine grained sediments of Netravati river and in leptokurtic sediments ofGurpurriver. They are particularly enriched in the size range of 0.063-0.125 mm and to a lesser extent in the >4 mm fraction. Downstream decrease in susceptibility of both bulk samples and particle size fractions reflects on the vicinity or otherwise of sampling sites to the source of magnetic minerals in the drainage basin.
On the basis of bulk susceptibility data, it is.estimated that about 87% of sediment in the Netravati main river is derived from Kumaradhari river and 13% from Netravati (upstream) tributary. However. about 78% of particles >0.35 mm in size in Netravati main river are contributed by Kumaradhari river and 22% by Netravati (upstream) tributary. The bulk susceptibility of Ourpur river sediments shows that the Venoor hole is the dominant sediment contributor (83%) to the main river when compared to Hosangadi hole (17%). In contrast, Hosangadi hole contributes ca. 63% of the fine particles (0.55-1.0 mm) to the Gurpur main channel. This discrepancy could be attributed to the higher susceptibility of coarse fraction (> 1 mm) of Gurpur (main) river when compared to its tributaries.
Magnetite is the most important mineral that accounts for nearly a half of the susceptibility. Magnetite weight percentage and susceptibility are significantly correlated (r=O.50). About 21 % of the suspectibility is explained by ilmentite and garnets. Amphiboles, pyroxenes and other weakly magnetic minerals account for ca. 27% of the susceptibility. The residual fraction, censtituting ca. 60% of sample weight, explains only 8% of the susceptibility of samples.
Keywords
Sedimentology, Magnetic Susceptibility, River Sediments, Netravati and Gurpur Rivers, Karnataka.- Late Quaternary Variations in Sedimentation Rate in the Laccadive Trough, Southeast Arabian Sea
Abstract Views :165 |
PDF Views:3
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangothri-574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangothri-574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 45, No 6 (1995), Pagination: 689-694Abstract
Radiocarbon measurements of a core from the Laccadive Trough, SE Arabian Sea have yielded ages which show that sediments from the Pleistocene, Holocene and a transition zone can be recognized by virtue of colour variation. The mean sedimentation rate decreases from 4.11 to 3.15 cm/103yr for Pleistocene and Holocene respectively, witha peak of 6.36 cmcm/103yr determined for the transitional zone. A sediment slump or turbidite emplacement resulting from higher terrigenous influx during the transition period has been inferred. This is in contrast to the bioclastic turbidite of the central continental margin-pelagic region (off Bombay-Ratnagiri sector of western India). The decrease in sedimentation rate from Pleistocene to Holocene can be most likely ascribed to entrapment of riverine sediments in estuaries and continental shelf, as a result of Holocene sea level rise.
The mean sedimentation rate in the Laccadive Trough (3.84 cm/103yr) is lower than that on the northwestern continental margin of India (4.6-9.8 cm/103yr) because of relatively low terrigenous influx from the small west-flowing rivers of Peninsular India. The Holocene sediment thickness in the Laccadive Trough is 35 cm as against 50 cm in the northeastern Arabian Sea. The onset of environmental conditions representative of Holocene is estimated at ca. 9300 yr B.P. which corroborates the date proposed for the northern Indian Ocean.
Keywords
Sedimentation, Quaternary, Laccadive Trough, Arabian Sea.- Notes
Abstract Views :175 |
PDF Views:115
Authors
Affiliations
1 Dept of Marine Geology, Mangalore University, Mangalagangotri 574199, IN
1 Dept of Marine Geology, Mangalore University, Mangalagangotri 574199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 47, No 6 (1996), Pagination: 752-752Abstract
No Abstract.Full Text
- Notes
Abstract Views :168 |
PDF Views:119
Authors
Affiliations
1 Dept of Marine Geology, Mangalore University, Mangalagangotri 574199, IN
1 Dept of Marine Geology, Mangalore University, Mangalagangotri 574199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 47, No 6 (1996), Pagination: 752-752Abstract
No Abstract.Full Text
- Elemental Composition and Particulate Metal Fluxes from Netravati and Gurpur Rivers to the Coastal Arabian Sea
Abstract Views :179 |
PDF Views:1
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri- 574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri- 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 43, No 3 (1994), Pagination: 255-265Abstract
Physico-chemical parameters of water (pH, dissolved oxygen, salinity and suspended Particulate concentration) and geochemistry (Cu, Pb, Zn, Ni, Co, Mn, Fe, Al, Ca and organic matter) and magnetic susceptibility of suspended particulates have been measured, incidentally for the first rime. in two west-flowing rivers - Netravati and Gurpur - of southwestern India in order to understand weathering processes, to determine gross particulate metal fluxes to the coastal Arabian Sea and to decipher anthropogenic influences, if any. Physico-chemical parameters do not show significant variations because of the heavy fresh water discharge during southwest monsoon. The composition of Netravati and Gurpur rivers SPM (suspended particulate matter) are similar and characterized by enrichment of Al, Fe, Ni and Co but strong depletion of Ca in comparison with temperate and major rivers of the world. This is an imprint of the intense chemical weathering in the study area. Copper, Pb, Zn and Mn contents in Netravati and Gurpur R. SPM are lower than world river SPM, implying that there may not be significant anthropogenic input of these metals.
The gross particulate metal fluxes from the Netravati R. are considerably higher than those in Gurpur R, because of the former's high sediment discharge. However, the fluxes are significantly lower than those of Narbada and Tapti rivers.
Magnetic susceptibility of Netravati and Gurpur SPM is nearly the same, but substantially low (by a factor of three) when compared to the silt+clay fraction of river-bed sediments, indicating that dense magnetic minerals are not transported in suspension but as bed-load.
Keywords
Geochemistry, Marine Geology, West Coast, Arabian Sea.- Magnetic Susceptibility Stuldies of Surficial Sediments from the Deep Arabian Sea
Abstract Views :175 |
PDF Views:1
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
2 Department of Earth Sciences, Indian Institute of Technology, Powai, Bombay 400 076,, IN
3 ELF Aquitaine Petroleum, 1000 Louisiana, Houston, Texas 77002, US
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
2 Department of Earth Sciences, Indian Institute of Technology, Powai, Bombay 400 076,, IN
3 ELF Aquitaine Petroleum, 1000 Louisiana, Houston, Texas 77002, US
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 43, No 2 (1994), Pagination: 159-167Abstract
A wide variety of processes such as volcanic activity, submarine and continental weathering, aeolian transport and authigenesis can account for the magnetic susceptibility of the deep Arabian Sea sediments. Preliminary studies of the magnetic fraction indicate that it is predominantly composed of pseudo-single domain and viscous magnetite. It is found that magnetic susceptibility can be used to estimate the approximate iron content of marine sediments.Keywords
Magnetic Susceptibility, Marine Geology, Arabian Sea.- Magnetic-Radiometric Monitoring of Particulate Pollution from Kudremukh Iron Ore Mines, Karnataka
Abstract Views :187 |
PDF Views:131
Authors
Affiliations
1 Geology and Geophysics Department, Grant Institute, The University of Edinburg, Edinburg EH9 3JW, Scotland, GB
2 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
3 Physics and Astronomy Department, JCMB, The University of Edinburgh, Edinburgh EH9 3JZ, Scotland, GB
1 Geology and Geophysics Department, Grant Institute, The University of Edinburg, Edinburg EH9 3JW, Scotland, GB
2 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
3 Physics and Astronomy Department, JCMB, The University of Edinburgh, Edinburgh EH9 3JZ, Scotland, GB
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 48, No 3 (1996), Pagination: 349-352Abstract
Kudremukh is the largest mechanised mining project in India. In spite of the steps being taken to arrest particulate pollution, it is feared that the pollution is significant. Using magnetic and radiometric properties of catchment soils, ores and tailings, the relative proportions of naturally weathered and man-made particles in the Bhadra river-bed sediments were estimated. Upstream of the mine and the tailings dam, the river bedload is composed principally of catchment soil materials (>97%). However, downstream of the mine segment the average mine waste component is about 47%. Magnetic methods are simple, rapid, inexpensive and non-destructive and can be employed on a routine basis in the environmental monitoring program at Kudremukh and other mines.Full Text
- Elemental Distributions in Surficial Sediments and Potential Offshore Mineral Resources from the Western Continental Margin of India, (1994)
Abstract Views :173 |
PDF Views:111
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 48, No 2 (1996), Pagination: 241-242Abstract
No Abstract.Full Text
- Geoscience Education
Abstract Views :200 |
PDF Views:114
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, IN
1 Department of Marine Geology, Mangalore University, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 50, No 5 (1997), Pagination: 660-661Abstract
No Abstract.Full Text
- A Laboratory Study of the Flocculation of Dissolved Heavy Metals in Kali RiverDuring Estuarine Mixing, West Coast of India
Abstract Views :223 |
PDF Views:2
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
2 Marine Chemistry Division, Bedford Institute of Oceanography, Dartmouth, NS-B2Y 4A2, CA
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
2 Marine Chemistry Division, Bedford Institute of Oceanography, Dartmouth, NS-B2Y 4A2, CA
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 50, No 6 (1997), Pagination: 753-758Abstract
River water-sea water mixing experiments were carried out to study the time dependence of flocculation process, the flocculation behaviour of dissolved Cu, Pb, Zn, Ni, Co, Mn, Cr and Fe in the Kali estuary. Flocculation appears to be maximum at high salinities (>25‰) and is rapid, about 7 to 60% of the dissolved metal content flocculating within half an hour of mixing. This brings out the role of sea water as a powerful flocculating agent for the dissolved load of river water.Keywords
Marine Geology, Pollution, West Coast, Kali River, Karnataka.- Factors Controlling Vertical Fluxes of Particles in the Arabian Sea
Abstract Views :205 |
PDF Views:2
Authors
Affiliations
1 National Institute of Oceanography, Dona Paula, Goa - 403 004, IN
2 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
1 National Institute of Oceanography, Dona Paula, Goa - 403 004, IN
2 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 54, No 4 (1999), Pagination: 369-378Abstract
Particle fluxes were measured using six time-series sediment traps at three sites in the western (16°20' N; 60°30' E), central (14°31' N; 64°46' E) and eastern (15°31' N; 68°43' E) Arabian Sea. Trap deployment depths were between 900 and 3000 m and collection period was from December 1992 to February 1994.
Annual particle fluxes showed an east-west trend with minimum fluxes (22.25 gm-2) in the eastern Arabian Sea and maximum fluxes (69.81 g m-2) in the western Arabian Sea. Carbonates, contributed mainly by foraminifers and coccolithophorids, are the dominant component in all the traps. Opal fluxes were maximum in the western Arabian Sea. At all the locations, lithogenic percentages increased with depth whereas organic carbon percentages decreased. Particle flux patterns show a strong seasonality with peak fluxes during the southwest (SW) monsoon (June to September). Relatively high fluxes were also observed during the northeast (NE) monsoon (December to February).
In the western Arabian Sea, particle fluxes are dominated mainly by carbonates during the early SW monsoon but by biogenic silica during the fate SW monsoon. The increase in particle fluxes during the early SW monsoon is related to variations in the mixed layer depth which, in turn, is controlled by the strength of the Findtater Jet and the curl of the wind stress. The increase in biogenic silica fluxes during the late SW monsoon is related to the advection of nutrient-rich water from the Oman and Somali upwelling areas. In the eastern Arabian Sea, particle fluxes are high during the NE monsoon due to the effects of winter cooling.
Keywords
Oceanography, Particle Flux, Sediment Trap, Sea Surface Temperature, Arabian Sea.- Manufacturing Quality Improvement with Data Mining Outlier Approach against Conventional Quality Measurements
Abstract Views :273 |
PDF Views:0
Authors
Affiliations
1 Bharathiar University, Coimbatore - 641 046, Tamil Nadu, IN
2 Department of Computer Science, Government Arts College, Nandanam, Chennai - 600035, IN
1 Bharathiar University, Coimbatore - 641 046, Tamil Nadu, IN
2 Department of Computer Science, Government Arts College, Nandanam, Chennai - 600035, IN
Source
Indian Journal of Science and Technology, Vol 8, No 15 (2015), Pagination:Abstract
Background/Objectives: This research study has been conducted in a scientific way to help manufacturing engineers and the management team to find out the hidden information from the data which are generated during the everyday manufacturing process. Methods/Statistical analysis: The methodology adopted in this activity is applying outlier analysis which is a data mining technique. The inter quartile range findings and analysis has been used here to find the hidden useful information from the process data with which a better insight could be established towards the improvement of quality of the product. The data used here have been collected from the automotive engine assembly and testing process. The study compares the results between the conventional and outlier analysis. Findings: The conventional style of checking and approving the engines based on the value pattern of Specific Fuel Consumption (SFC) which uses the design specification comparison with the actual data generally yields very minimal scope for the improvement of product quality in the perspective of design, Safety and reliability of the product because of the adherence of the same design specifications of the part drawings supplied by various suppliers. The competitive automotive manufacturing domain demands a different approach with which a better scope could be identified towards the improvement of product quality which is undoubtedly data mining. The outlier analysis using inter quartile range on the sample data of 500 engines revealed many important aspects where the improvement scope for quality has been identified as 15,000 Parts Per Million (PPM) against400 PPM of conventional quality analysis for the same data. Improvement/Application: This research is to offer an inclusive model hypothetically with actual data both for engineering and management people of manufacturing domain about the insights and benefits of employing data mining techniques towards the improvement of product quality with proven results.Keywords
Automotive Engine Testing, Data Mining, Inter Quartile Range, Manufacturing Quality, Outlier Analysis.Full Text
- Sustainability Perceptions in a Technological Institution of Higher Education in India
Abstract Views :264 |
PDF Views:90
Authors
Affiliations
1 Department of Architecture, Srinivas Institute of Technology, Velachil, Mangalore 574 143, IN
2 Department of Architecture and Planning, IIT Roorkee, Roorkee 247 667, IN
1 Department of Architecture, Srinivas Institute of Technology, Velachil, Mangalore 574 143, IN
2 Department of Architecture and Planning, IIT Roorkee, Roorkee 247 667, IN
Source
Current Science, Vol 109, No 12 (2015), Pagination: 2198-2203Abstract
Institutions of higher education serve as models for excellence in education. They also have an added responsibility in providing guidance to the community for social upliftment and environmental sustainability. The present study conducted in the Indian Institute of Technology Roorkee (IITR) examines the students' perception on the importance of sustainability to the campus. One hundred sixty-five students participated in the survey. The survey focuses on three broad categories, namely environmental, educational and research, and management factors. Environmental factors are more significant compared to management factors. Education and research is given less importance compared to environmental and management factors. Findings provide a useful extension to both the management and administrative strategies in decision-making process to improve the sustainability of the campus.Keywords
Education and Research, Environmental Parameters, Green Guidelines, Management Strategies.Full Text
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- Mital, K. V., History of Thomason College of Engineering, University of Roorkee, 1996.
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- Mineral Magnetic Signature of the Early Holocene Intense Monsoon Conditions Recorded in Sediments from the Southwestern Indian Continental Margin
Abstract Views :202 |
PDF Views:2
Authors
R. Shankar
1,
K. Pandarinath
2
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri-574199, IN
2 Ocean Science and Technology Cell, Mangalore University, Mangalagangotri-574199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri-574199, IN
2 Ocean Science and Technology Cell, Mangalore University, Mangalagangotri-574199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 71, No 5 (2008), Pagination: 670-682Abstract
We studied three sediment cores from the southwestern continental margin of India for their mineral magnetic properties like magnetic susceptibility (χIf), susceptibility of anhysteretic remanent magnetisation (χARM), isothermal remanent magnetisation (IRM), saturation isothermal remanent magnetisation (SIRM) and inter-parametric ratios (χARM/χIf and χARM/SIRM), besides particle size characteristics. We demonstrate here that magnetic susceptibility and other mineral magnetic parameters can be used to demarcate the Early Holocene intense monsoon conditions. High values of χIf, χARM IRM20mT,SIRM and χARM/χIf and χARM/SIRM in the core-bottom indicate the peak wet period -11 to 9 ka B P. The values decrease rapidly at 8 38 ka B P, in concert with a reduction in rainfall. Our interpretation is strengthened by particle size data on a limited number of samples. Silt and sand contents are higher in the pre-8.38 ka B P, high-susceptibility samples than in the post-8.38 ka B P, low-susceptibility samples. The high values of concentration-dependent parameters and χARM/χIf in the core-tops are probably due to an increase in rainfall during the past 100-400 years. We also used the mineral magnetic parameters to correlate the sedimenct cores.Keywords
Rock Magnetism, Magnetic Susceptibility, Palaeomonsoon, Palaeoclimate, Holocene, Western Continental Margin of India.- First International Earth Science Olympiad, South Korea
Abstract Views :151 |
PDF Views:113
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 70, No 6 (2007), Pagination: 1095-1096Abstract
No Abstract.Full Text
- Seoul Conference on International Earth Science Olympiad
Abstract Views :151 |
PDF Views:111
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 65, No 3 (2005), Pagination: 379-379Abstract
No Abstract.Full Text
- Report on the 32nd International Geological Congress, Florence, Italy
Abstract Views :183 |
PDF Views:150
Authors
Affiliations
1 Geology Department, University of Delhi Delhi - 110 007, IN
2 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
3 Department of Geology, Bangalore University, Bangalore - 560 056, IN
4 P.G. Department of Geology, Khallikote Autonomous College, Berhampur - 760 001, Orissa, IN
1 Geology Department, University of Delhi Delhi - 110 007, IN
2 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
3 Department of Geology, Bangalore University, Bangalore - 560 056, IN
4 P.G. Department of Geology, Khallikote Autonomous College, Berhampur - 760 001, Orissa, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 65, No 3 (2005), Pagination: 380-382Abstract
No Abstract.Full Text
- Discussion Group on Earth Science Education in India
Abstract Views :172 |
PDF Views:129
Authors
Affiliations
1 Department of Geology Mangalore University Mangalagangotri - 574 199, IN
1 Department of Geology Mangalore University Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 65, No 5 (2005), Pagination: 654-654Abstract
No Abstract.Full Text
- Website for School Teachers
Abstract Views :192 |
PDF Views:125
Authors
Affiliations
1 Department of Marine Geology Mangalore University, Mangalagangotri - 574 199, IN
1 Department of Marine Geology Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 63, No 5 (2004), Pagination: 568-568Abstract
No Abstract.Full Text
- International Workshop on Indian Monsoon and Climate Variability during Holocene
Abstract Views :162 |
PDF Views:114
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 64, No 1 (2004), Pagination: 105-107Abstract
No Abstract.Full Text
- Marketing Earth Science Education in The Netherlands
Abstract Views :166 |
PDF Views:142
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 61, No 2 (2003), Pagination: 239-239Abstract
No Abstract.Full Text
- Prof P. G. Cooray (1921-2003)
Abstract Views :188 |
PDF Views:133
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 62, No 3 (2003), Pagination: 389-390Abstract
No Abstract.Full Text
- Geochemistry of Shelf Sediments off Mulki on the Southwestern Coast of India and their Palaeoenvironmental Significance
Abstract Views :204 |
PDF Views:2
Authors
Affiliations
1 Institute of Environmental Studies, Tehran University, P.O. Box 14155-6135, Tehran, IR
2 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
1 Institute of Environmental Studies, Tehran University, P.O. Box 14155-6135, Tehran, IR
2 Department of Marine Geology, Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 58, No 1 (2001), Pagination: 37-44Abstract
A sediment core collected from the shelf (50 m water depth) off the Mulki-Pavanje river mouth has been studied for down-core variations of base metals, magnetic susceptibility (xm) and partitioning of metals in various accumulative phases of sediment, to understand the impact of late Quaternary sea level fluctuations on shelf sedimentation processes.The 192 cm-long core may be demarcated into two zones: the lower (140 to 192 cm) dark green to greenish black clayey silt with abundant plant debris; and the upper (0 to 140 cm) light green to dark green silty sand. Sediments of the lower zone are characterised by higher Cu, Zn, Pb, Co, Mn, Fe, Al, xm and organic matter contents and higher metal/Al ratios, but lower Ca, and Pb/Al and Mn/Al ratios when compared to the upper zone indicating textural control on the geochemistry of sediments. Although Mn is high in the lower zone, the low Mn/Al ratios suggest that a part of Mn has been remobilised under anoxic-sulphidic conditions. Higher Pb/Al ratios in the upper zone may not imply mobilisation of Pb, but may be suggestive of anthropogenic input of this element from the use of leaded petrol in modern times.
Geochemical and textural variations of these sediments suggest changes in the depositional environments: Sediments of the lower zone were deposited in a marshy environment when the core site was close to the shore during the late Pleistocene low stand of sea level. The late Quaternary sea level rise led to a shift in the depositional environment - from marsh to a still stand beach environment- when silty sands were deposited. Although the core site has been in the shelf since the beginning of Holocene, there has not been much sedimentation not only because of the negligible quantity of sediment supplied by the small west-flowing rivers but also due to the rapid rise in sea level during early Holocene. The reconstructed depositional history of the core is in consonance with the recently proposed sea level curve for the western continental margin of India.
Keywords
Geochemistry, Late Quaternary, Sea level Fluctuations, western Continental Shelf, Mulki, Karnataka.- National Workshop on Teacher Education in Environlmental Magnetism
Abstract Views :202 |
PDF Views:121
Authors
Affiliations
1 Ocean science and Technology Cell, Mangalore University, Mangalagangotri-574 199, IN
1 Ocean science and Technology Cell, Mangalore University, Mangalagangotri-574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 58, No 1 (2001), Pagination: 81-82Abstract
No Abstract.Full Text
- Indian Monsoon and Climate Variability during the Holocene: An Introduction
Abstract Views :187 |
PDF Views:137
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 68, No Spl Iss 3 (2006), Pagination: 343-352Abstract
No Abstract.Full Text
- A Multi-Decadal Rock Magnetic Record of Monsoonal Variations during the Past 3,700 Years from a Tropical Indian Tank
Abstract Views :240 |
PDF Views:2
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
2 Birbal Sahni Institute of Paleobotany, 53 University Road, Lucknow 226 007, IN
1 Department of Marine Geology, Mangalore University, Mangalagangotri 574 199, IN
2 Birbal Sahni Institute of Paleobotany, 53 University Road, Lucknow 226 007, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 68, No Spl Iss 3 (2006), Pagination: 447-459Abstract
We have explored the potentia1 of using magnetic susceptibility( χif) as a proxy for past rainfall variations in a tropical region, and also the potentia1 of tank-bed sediments from Southern India as a paleoarchive The 3,700-year rock magnetic record from Thimmannanayakanakere (14°12 N, 76°24 E), a smaH tank near Chitradurga town, Karnataka, exhibits considerable fluctudtions in χif Discountlng the possibilitestres of magnetite from biogenic and anthropogenic sources and of dissolutio of magnetic minerals, the χif signal must be related principally to rainfall in the tank-catchment There is a good correlation of χif with instrumental rainfall data (r = 0 65 for Peninsular India, r = 0 45 for Chitradurga Stationa)n d histoncally recorded rainfall events Presuming that χif variations are produced mainly by rainfall variations and that there was no signtficant human impact in the catchment and no slumping or bioturbatio of sediments we have reconstructed the paleorainfall profile for thc last 3,700 years for Chitradurga region The profile is chronologically constrained by two I4c dates Several events of drought and high rainfall, and onset of aridity are corretatable with similar events documented in speleothems from chfferent parts of india, a tree-ring from western India and lake sediments from Rajasthan We have thus shown that χif 1s a proxy for rainfall in tropical regions and that tank-bed sediments from tropical lndia are an important archive of paleorainfall/paleoclimate data.Keywords
Tank-bed sediments, Southern India, Magnetic susceptibilty Rainfall reconstruction, Paleoclimate, Southwest monsoon, Late Holocene, Little Ice Age.- A Report on the 3rd International Earth Science Olympiad
Abstract Views :161 |
PDF Views:139
Authors
Affiliations
1 Geological Society of India, Bangalore - 560 019, IN
2 Department of Earth Science, Goa University, Goa, IN
1 Geological Society of India, Bangalore - 560 019, IN
2 Department of Earth Science, Goa University, Goa, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 74, No 5 (2009), Pagination: 660-660Abstract
No Abstract.Full Text
- Marine Geology - A Scenario Around Indian Coasts
Abstract Views :197 |
PDF Views:146
Authors
Affiliations
1 Department of Marine Geology, Mangalore University, IN
1 Department of Marine Geology, Mangalore University, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 73, No 4 (2009), Pagination: 587-588Abstract
No Abstract.Full Text
- Entrance Test, Training Camp and the Indian National Earth Science Olympiad, January and May, 2010
Abstract Views :187 |
PDF Views:132
Authors
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 76, No 2 (2010), Pagination: 199-200Abstract
No Abstract.Full Text
- Application of Two Channel Video QUAD/MUX Controller to Employ Outdoor Surveillance
Abstract Views :162 |
PDF Views:2
Authors
Affiliations
1 Department of Electronics and Communication Engineering, Karunya University, Coimbatore, IN
2 Department of Electronics and Communication Engineering, Karunya University, Coimbatore, Tamil Nadu, IN
1 Department of Electronics and Communication Engineering, Karunya University, Coimbatore, IN
2 Department of Electronics and Communication Engineering, Karunya University, Coimbatore, Tamil Nadu, IN
Source
Biometrics and Bioinformatics, Vol 3, No 3 (2011), Pagination: 134-139Abstract
The home security is of prior importance to everyone in this time and the need for security devices is on the rapid rise in Indian market, according to an article in the Times of India. Most of the security devices that are currently available need an extra display device to view the video from the camera located outside the door. This increases the cost of the entire system. Moreover, when anyone knocks the door while you watch a very interesting program in TV, may be the last over of the world cup finals, your mind won't allow you to think about your guest standing at your door. To overcome this problem, we come out with a security system which eliminates the need for an extra display device, by using a PIP processor. When someone stands at the door, a pop up showing the camera video will be generated over the TV screen and it disappears automatically when the person leaves. With this, one will not be missing the existing TV program and the person standing outside the door as well.Keywords
QUAD/MUX, Outdoor Surveillance, Picture in Picture.- Comparison of Carbon, Nititogen and Phosphorous Fluxes in Mexican Coastal Lagoons. Loicz Reports and Studies
Abstract Views :195 |
PDF Views:142
Authors
Affiliations
1 Ocean Science and Technology Cell, Mangalore University, Mangalagangotri - 574 199, IN
1 Ocean Science and Technology Cell, Mangalore University, Mangalagangotri - 574 199, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 52, No 6 (1998), Pagination: 742-743Abstract
No Abstract.Full Text
- International Earth Science Olympiad - 2011: A Report
Abstract Views :260 |
PDF Views:156
Authors
Affiliations
1 Earth Science Olympiad, IN
1 Earth Science Olympiad, IN
Source
Journal of Geological Society of India (Online archive from Vol 1 to Vol 78), Vol 78, No 6 (2011), Pagination: 603-604Abstract
No Abstract.Full Text
- Teacher Training Workshops in India
Abstract Views :244 |
PDF Views:79
Authors
Affiliations
1 International GeoScience Education Organisation, Bengaluru, IN
2 Weizmann Institute of Science, Rehovot, IL
3 Keele University, Keele, Staffs, ST5 5BG, GB
4 Manipal Institute of Technology, Manipal University, Manipal 576 104, IN
5 St Aloysius College (Autonomous), Mangaluru 575 003, IN
6 Karnataka State Council for Science and Technology, Indian Institute of Science Campus, Bengaluru 560 012, IN
1 International GeoScience Education Organisation, Bengaluru, IN
2 Weizmann Institute of Science, Rehovot, IL
3 Keele University, Keele, Staffs, ST5 5BG, GB
4 Manipal Institute of Technology, Manipal University, Manipal 576 104, IN
5 St Aloysius College (Autonomous), Mangaluru 575 003, IN
6 Karnataka State Council for Science and Technology, Indian Institute of Science Campus, Bengaluru 560 012, IN
Source
Current Science, Vol 112, No 06 (2017), Pagination: 1090-1093Abstract
The International GeoScience Education Organisation, Bengaluru organized three teacher training workshops in Goa, Mangaluru and Bengaluru. These workshops were organized as a pilot project to test the impact of such an approach in an Indian setting.Full Text
- Estimation of Ice Thickness of the Satopanth Glacier, Central Himalaya Using Ground Penetrating Radar
Abstract Views :296 |
PDF Views:112
Authors
Affiliations
1 Department of Geology, H.N.B. Garhwal University, Srinagar Garhwal 246 174, IN
2 Indian Institute of Science and Educational Research, Pune 411 008, IN
3 The Institute of Mathematical Sciences, Chennai 600 113, IN
1 Department of Geology, H.N.B. Garhwal University, Srinagar Garhwal 246 174, IN
2 Indian Institute of Science and Educational Research, Pune 411 008, IN
3 The Institute of Mathematical Sciences, Chennai 600 113, IN
Source
Current Science, Vol 114, No 04 (2018), Pagination: 785-791Abstract
Total volume of stored ice in the Himalayan glaciers is an important quantity for water resource management of the Himalayan catchments. However, direct measurement of glacier-ice thickness is rare in the Indian Himalaya. We have estimated the ice thickness of the debris-covered Satopanth Glacier (SPG) using a ground penetrating radar (GPR). Multiple bistatic, unshielded antennae with frequencies of 16, 20, 40 and 80 MHz were used for this purpose. We have done GPR surveys at various locations over the ablation zone of SPG. However, satisfactory results were obtained only on two transects. Near the glacier snout, a transverse GPR profile shows an ice thickness of 38 ± 3.5–50 ± 3.5 m. We have obtained 98 ± 7–112 ± 7 m ice thickness at a longitudinal transect in the upper ablation zone. To measure the speed of the radar waves in ice, a common midpoint survey was carried out. Our results for the speed of the electromagnetic waves are slightly lower than the standard values of such waves through pure ice.Keywords
Common Midpoint Survey, Debris-Covered Glaciers, Ground Penetrating Radar, Ice Thickness.Full Text
References
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- A Review: Deep Learning Techniques for Image Classification of Pancreatic Tumor
Abstract Views :237 |
PDF Views:0
Authors
Affiliations
1 Department of Computer Science, Chikkanna Government Arts College, IN
1 Department of Computer Science, Chikkanna Government Arts College, IN
Source
ICTACT Journal on Image and Video Processing, Vol 11, No 1 (2020), Pagination: 2217-2223Abstract
Pancreatic Cancer (PC) may be a leading reason behind death worldwide and its prognosis is extremely poor within the present scenario. There are numerous methods and techniques for tumor identification in brain, breast, lungs, but limited work was done on pancreatic tumor detection. Pancreatic tumor image classification is usually provided by computer-aided screening (CAD), diagnosis and quantitative evaluations in radiology images like CT and MRI. Tumor classification through these methods may help to trace, predict and endorse customized therapy as part of effective treatment, without invasions of cancer. Nowadays, Convolutional Neural Networks (CNN) have shown promising results for precise pancreatic image classification. As a prominent, the algorithms are required to work out and classify the categories of pancreatic tumors at early stages for saving most of the life. Because of the various shapes, huge sample size, processing and analyzing big databases, new statistical methods are to be implemented. On the opposite hand, detection of tumors within the medical images also become difficult since the standard of input images. This paper mainly concentrates on a study of carcinoma and also the recent research on tumor detection and classification in medical images. The convolution neural network (CNN) developed in recent years has been widely utilized in the sector of image processing because it's good at handling image classification and recognition problems and has brought great improvement within the accuracy of the many machine learning tasks. One in every of the foremost powerful approaches to resolve image recognition and classification problem is that the CNN. The experimental results demonstrate that the proposed approach can improve the performance of the classification accuracy.Keywords
CNN, Classification, Deep Learning, Medical Image Analysis, Pancreatic Cancer, Adenocarcinomas.References
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- Laila Marifatul Azizah, Sitti Fadillah Umayah, Slamet Riyadi, Cahya Damarjati and Nafi Ananda Utama “Deep Learning Implementation using Convolutional Neural Network in Mangosteen Surface Defect Detection”, Proceedings of International Conference on Control System, Computing and Engineering, pp. 242-246, 2017.
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- Collision of Green Employee Engagement and Green Human Resource Management in Employee’s Productivity
Abstract Views :456 |
PDF Views:351
Authors
V. Santhi
1,
R. Shankar
2
Affiliations
1 Associate Professor and Head, Department of Humanities, PSG College of Technology, Coimbatore – 641004, Tamil Nadu, IN
2 Assistant Professor, Department of Humanities, PSG College of Technology, Coimbatore - 641004, Tamil Nadu, IN
1 Associate Professor and Head, Department of Humanities, PSG College of Technology, Coimbatore – 641004, Tamil Nadu, IN
2 Assistant Professor, Department of Humanities, PSG College of Technology, Coimbatore - 641004, Tamil Nadu, IN
Source
HuSS: International Journal of Research in Humanities and Social Sciences, Vol 8, No 1 (2021), Pagination: 27-32Abstract
The environment of the world plays a dominant role in the entire wellbeing of the nation. Now-a-days, due to emergence of huge number of industries and tremendous change in the life style of people, the global environment faces a big challenge. In order to overcome the negative impact of pollution, green aspect in almost all the fields is emerging. The green initiatives undertaken by the countries have created awareness among the public and its implementation has become mandatory amidst the prevailing global environmental concern. Traditionally, most of the industries followed the green initiatives driven by laws and regulations. But, the situation has seen a drastic change from control to prevention. The information technology industry is not an exception. In this regard, the present study focuses on analyzing the impact of Green Employee Engagement and Green Human Resource Management on employees’ productivity in IT companies in Coimbatore district. By employing simple random sampling technique, data has been collected from 150 employees working in various IT companies in the study area. Various statistical tools namely simple percentage analysis, chi-square test and multiple regression analysis have been employed for analysis. It was found that the Green Employee Engagement and Green Human Resource Management has a significant impact on employees’ productivity.Keywords
Green Employee Engagement, Green Human Resource Management and Green Initiatives.Full Text
References
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- Optimization of Computation and Communication Driven Resource Allocation in Mobile Cloud
Abstract Views :201 |
PDF Views:2
Authors
R. Shankar
1,
Tharani Vimal
2
Affiliations
1 Department of Computer Science and Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh, IN
2 Department of Information Technology, St. Peter’s College of Engineering and Technology, Avadi, Chennai, Tamil Nadu, IN
1 Department of Computer Science and Engineering, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh, IN
2 Department of Information Technology, St. Peter’s College of Engineering and Technology, Avadi, Chennai, Tamil Nadu, IN
Source
International Journal of Computer Networks and Applications, Vol 9, No 2 (2022), Pagination: 189-201Abstract
With the emergence of accessing Smartphones in day-to-day life, Mobile Cloud Computing (MCC) technology has become popular with the advantage of resolving the resource constraints in mobile devices through the offloading method. The existing models have presented the different resource allocation solutions to ensure the seamless execution of the applications for the resource-constrained mobile devices with the Quality of Service (QoS). The optimization of resource allocation is the process of potentially allocating remote resources to mobile users without violating the Service Level Agreements (SLAs). However, resource allocation is still becoming a major constraint in the Mobile Cloud (MC) data centers due to higher consumption of energy and time factors during the execution of mobile requests on the remote cloud. The consumption of the energy and response time of the offloaded tasks or applications heavily relies on the cloud resource allocation for the mobile users. Hence, Resource Allocation Optimization (RAO) emerged as the significant objective to select the appropriate cloud resources for the requested tasks to increase the lifetime of the devices with improved time efficiency. Thus, this work focuses on optimizing MC resource allocation by optimizing the allocation of both the computation and communication resources. The proposed RAO model considers two potential factors, such as the energy and response time while allocating the computational and communicational resources. Initially, the Energy and Response time-driven RAO (EARO) approach prioritizes the request generated from the mobile users based on the estimated execution time. Modeling the Estimated Communication and Execution Time (ECET) algorithm tends to allocate the cloud resources and accomplish the minimal response time of the application requests. The EARO approach intends to minimize the execution time as well as the response time towards the target of alleviating the energy consumption during the resource allocation. Moreover, it selects the resources for the inter-VM communication with the knowledge of the minimal migration time ensuring bandwidth resources. Thus, EARO preserves the device's energy with minimal application completion time. The experimental results illustrate that the time efficiency of the proposed EARO model outperforms the existing resource allocation model in the MC environment.Keywords
MCC, Resource Allocation, Computation, Communication, Optimization, Energy Consumption, Bandwidth, Response Time.Full Text
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