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Geospatial assessment of land surface temperature in Nagpur, India: an impact of urbanization(Environmental Earth Sciences)
(Saurabh Sakhre, Jaydip Dey,Ritesh Vijay,Rakesh Kumar,79,,226,Year : 2020)
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Temperature is one of the factors which affects the meteorological phenomenon prevailing in an urban area and ultimately leads to climate change and global warming. Measurement of surface temperature with conventional temperature sensors is tedious, has single point value and expensive. Satellite data of 2005, 2008, 2010 and 2016 are used to assess the land use land cover (LULC) and to measure the land surface temperature (LST) during the hottest month of May in Nagpur city, India. Based on the image analysis, it is observed that there is an increase in the average temperature from 40.0 to 44.6 ºC. This may be due to an increase in built-up area from 55.5 to 69.8% during 2005 to 2016, respectively. It has also been revealed that the outskirts of the city are hotter than the central portion of the city as there is more barren land on the outskirts. Results were compared to ambient temperature sensor that showed good agreement between temperature retrieved from satellite and temperature sensor. The study suggests that urban areas should be developed intermixed with vegetation and plantation and provisions of green belt along the city roads, highways and ring roads. Based on LST and LULC analysis, a green belt of 30 m along both sides of the road would lower the road temperature by 9.3 ºC from existing temperature of 44.7 ºC. This would help in lowering down the average temperature of the city.
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Geospatial assessment of urban sprawl and landslide susceptibility around the Nainital lake, Uttarakhand, India(Environment, Development and Sustainability)
(Jaydip Dey, Saurabh Sakhre, Ritesh Vijay, H. Bherwani, Rakesh Kumar ,,,,Year : 2020)
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Landslide is one of the challenges faced by mountainous regions due to natural phenomena and human activity. Nainital district in the state of Uttarakhand is one of the popular tourist spots in India. It is situated in a lesser Himalayan belt facing experiences number of landslides every year. This region comes under the Main Boundary Thrust and Main Central Thrust which are considered to be very sensitive for landslides. Landslide susceptibility mapping is a proficient tool to identify vulnerable zones for landslides. Remote sensing and geographic information system are very effective tools for collecting, analysing and interpreting land use data, and on the other hand, multi-criteria valuation (MCE) allows users for decision-making by considering various factors affecting the process of the landslide. The MCE technique was applied considering present land use/land cover, slope, drainage, lithology, geomorphology, and type of soil. Overlay analysis and land susceptibility mapping was carried out for the area around the Nainital lake. The study concludes with hot spot analysis and recommends mitigation measures like geotextiles, retaining walls and strict building by-laws for preventing landslides.
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Assessment of frequency and severity of droughts in Maharashtra state of India(Arabian Journal of Geosciences)
(Kumar Amrit, Arti Roshan Soni, Surendra Kumar Mishra, Ritesh Vijay, Rakesh Kumar,Vol (13) Pages(1-14) Issue(24),,,Year : 2020)
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Droughts are most severe among all natural calamities across the world and spread over larger spatial extent than floods and earthquake. Maharashtra state in India experiences droughts almost every year in one or other part. This study attempts to understand the characteristics of drought during the twentieth century over different districts in Maharashtra, using 113 years (1901?2013) of rainfall data. The deviation of seasonal rainfall for each district has been computed for the identification of drought and its characteristics. The major purpose of this study is to investigate the variation in drought characteristics across the state of Maharashtra over the period of 113 years which may be helpful to deal with the impacts of drought in future and in framing suitable preparedness measures. The analysis revealed that Hingoli, Latur, Ahmednagar, Jalna, Osmanabad, Solapur, Beed, and Parbhani districts are more prone to the frequent and severe drought events with return period of 4?5 years. The change in return period of droughts has been checked for three different eras, i.e., 1901?1950, 1951?2013, and 1981?2013 and it was found that during the period of 1981?2013, drought became more frequent and severe across the state. The maximum rainfall deficiency in the state was observed to be in the range of 43?73%. The long-term data analysis of rainfall revealed that 1918, 1920, 1971, 1987, and 2001 were the years of severe droughts in Maharashtra. Also major parts of the state faced maximum persistency of 2 years. Drought events never persisted in Nagpur. Pune, Hingoli, and Sangli have faced the drought with maximum persistency of 4 years. The findings from the analysis in this study shall be very useful for making regional- and district-level strategies for the effective mitigation of droughts.
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A review of constructed wetland on type, treatment and technology of wastewater(Environmental Technology & Innovation)
(Divyesh Parde, Aakash Patwa, Amol Shukla, Ritesh Vijay, Deepak J Killedar, Rakesh Kumar,Page(101261),,,Year : 2020)
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The performance of constructed wetland depends upon the types of constructed wetland, vegetation, applied hydraulic load, and media used in the bed. This paper describes the review of constructed wetland on type, technology and treatment of various types of wastewater generated such as textile waste, dairy waste, industrial waste, piggery waste, tannery waste, petrochemical waste, municipal waste, etc. The review summarizes the types of constructed wetlands considering media, vegetation, removal efficiency, construction cost, maintenance cost and land area requirement using life cycle cost analysis. The review compares how and why constructed wetland is a better option as per treatment efficiency, their payback period and cost-effective with the other wastewater treatment technologies. Further, there is no proper guidelines for the selection of media and vegetation in the constructed wetland. It is found that??
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Treatment of low strength wastewater using compact submerged aerobic fixed film (SAFF) reactor filled with high specific surface area synthetic media(Water Science & Technology)
(Rishi Gurjar, Akshay Shende, Girish Pophali,,,,Year : 2019)
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No information is available
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An innovative approach of urban noise monitoring using cycle in Nagpur, India(Environmental Science and Pollution Research)
(Vijaya Laxmi, Jaydip Dey, Komal Kalawapudi, Ritesh Vijay & Rakesh Kumar ,26,,36812-36819,Year : 2019)
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Noise is one of the most significant sources of environmental pollution in metro cities. Traffic noise plays an important role to contribute to ambient noise pollution. Noise pollution monitoring was carried out using sound level meter mounted on the cycle with the help of mould fixed on it. Cycle is a noiseless mode of transport and therefore, it was used for noise monitoring over 700 locations in Nagpur City. Noise levels were recorded at each location for 5 min during peak rush hours of traffic in the morning and in the evening at an interval of 1 s leading to around 300 readings each. Noise indices like Leq, L90, L10, Lmax and Lmin were calculated for noise level data analysis. TNI was also determined for analysis of traffic noise on intersections of roads. Equivalent noise levels were transferred into the Geographic Information System (GIS) and spatial analysis tool was used to create spatial and strategic noise maps. Based on the maps, it is revealed that noise levels are exceeded all over the city with respect to ambient noise standards. It was experienced that intersections of roads during peak rush time are very noisy due to honking. The study recommends the noise monitoring through cycle-mounted sound level meter since it covers unapproachable sites, more coverage in the city that helps in identifying hotspot area of concern for noise abatement strategies and planning.
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Biodegradable Polymeric Nanocarrier-Based Immunotherapy in Hepatitis Vaccination(Cutting-Edge Enabling Technologies for Regenerative Medicine)
(Seo Jin Hong, Min Hye Ahn, Yong Woo Lee,Vol(1078),Pages(303),,,Year : 2018)
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Various commercial vaccines are used for immunization against hepatitis B. However, these immunotherapeutic vaccines require invasive administration, which can induce side effects, and require multiple shots to elicit an immune response, limiting their efficacy. Compared to traditional hepatitis B vaccines, polymer nanoparticles have more advantageous inherent properties as vaccine delivery carriers, providing increased stability of encapsulated antigen, the possibility of singleshot immunotherapy, and the capability of mucosal administration, which allows various
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In situ ammonia removal by methanogenic granular biomass
(Shaswati Saha, Jo De Vrieze, Rima Biswas Mondal, Tapas Nandy,Volume 4,,page 559-568,Year : 2018)
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No information is available
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Carbon Nanoparticles for Solar Disinfection of Water(Journal Hazardous Materials)
(Pratap Reddy Maddigpu, Bhairavi Sawant, Snehal Wanjari, M. D. Goel, Davide Vione, Rita S. Dhodapkar, S. Rayalu,volume 343,,page 157-165,Year : 2018)
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No information is available
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Three-stage biological system for treatment of coke oven effluent(J. Hazard. Toxic Radioact. Waste)
(Maneesh, N., Bhuvanesh, S., Shaikh Z.A., Sreekrishnan T.R., Mazumdar, S.M., Choubey, M. J. ,22(3),,04018012,Year : 2018)
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A three-stage continuous biological treatment system has been developed for removal of cyanide, phenol, organics, and ammonia from a coke oven effluent. Two stages of activated sludge treatment with completely mixed aeration tanks followed by a hybrid anoxic reactor, in series, were used. The hybrid anoxic reactor uses self-immobilized microbial biomass (granular sludge) under fluidized conditions. A 50??L/day pilot plant was evaluated for a period of over 6 months to monitor organics, ammonia, phenol, and cyanide removal. The activated sludge treatment systems were operated at a hydraulic retention time of 1 day and the hybrid reactor at 16 h. Major constituents of the effluent used in the study were cyanide (9–33??mg/L), phenol (21–235??mg/L), ammoniacal nitrogen (400–1,600??mg?NH3-N/L), organic load [400–1,500 mg chemical oxygen demand (COD)/L], and nitrate nitrogen (0–90??mg?NO3-N/L). Removal efficiencies were around 90% for organic load, 88% for ammoniacal nitrogen, 100% for nitrate nitrogen, and almost 99 and 100% for cyanide and phenol, respectively. The process is presently being scaled up to 1,000 L per day.
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Carbon and nutrient-limiting conditions stimulate biodegradation of low concentration of phenol(Biochemical Engineering Journal)
(Shaswati Saha, Neha Badhe, Sukdeb Pal, Rima Biswas Mondal & Tapas Nandy,Volume 126,,page 40-49,Year : 2017)
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No information is available
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Ecotoxicological risk assessment and seasonal variation of some pharmaceuticals and personal care products in the sewage treatment plant and surface water bodies (lakes)( Environment Monitoring and Assessment)
(G Archana, R Dhodapkar, A Kumar,volume 189(9),,page 446,Year : 2017)
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No information is available
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Ion cum molecularly dual imprinted polymer for simultaneous removal of cadmium and salicylic acid(Journal of Molecular Recognition)
(D Rahangdale, A Kumar, G Archana, R.S Dhodapkar,,3.31,,Year : 2017)
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No information is available
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Chitosan-Based Biosorbents: Modifications and Application for Sequestration of PPCPs and Metals for Water Remediation(Handbook of Composites from Renewable Materials, Functionalization)
(Dipali Rahangdale, G Archana, Rita Dhodapkar, Anupama Kumar,,,,Year : 2017)
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No information is available
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Polyaniline film-based wireless photo reactor for hydrogen generation through exciton mediated proton reduction(Polymer)
(Smita Masid Roy, Nageswara N.Rao, Alexandre Herissan, Christophe Colbeau-Justin,volume 112,,page 57-70,Year : 2017)
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No information is available
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A multi-temporal analysis for change assessment and estimation of algal bloom in Sambhar Lake, Rajasthan, India(Environmental Monitoring and Assessment)
(Ritesh Vijay, Shannon M Pinton , Vikash K Kushwaha, Sukdeb pal, Tapas Nandy,volume 188(9),,page 510,Year : 2016)
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No information is available
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Rapid Granulation and Start-up of a Hybrid Anoxic Reactor for Biological Denitrification(Chemical Engineering Technology)
(Bhuvanesh, S., Sreekrishnan, T.R.,,,,Year : 2016)
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Rapid granulation of biomass and reactor start-up has been studied in a novel denitrifying reactor. The effect of wastewater characteristics, reactor operating conditions and reactor geometry on microbial granulation has been studied. It was possible to achieve granulation in just 15 days of reactor start-up. In 15 days the settling velocity of the granules was 1.5 cm s-1, which is almost 10 folds higher than that of seed sludge. The reactor was able to handle a nitrate loading rate of 50 g NO3-N m-3 day-1 in 3 days of reactor start-up with rates reaching up to 460 g NO3-N m-3 day-1 in just 30 days of reactor start-up with a removal efficiency of almost 100%. Based on the experimental observation, a hypothesis for the cause of rapid granulation has been proposed.
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Shape-dependent skin penetration of silver nanoparticles: does it really matter?(Scientific Reports)
(Yu Kyung Tak, Sukdeb Pal, Pravin K Naoghare, Sabarinathan Rangasamy, Joon Myong Song,Vol(5),Issue(1),Pages(1-11),,,Year : 2015)
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Advancements in nano-structured materials have facilitated several applications of nanoparticles (NPs). Skin penetration of NPs is a crucial factor for designing suitable topical antibacterial agents with low systemic toxicity. Available reports focus on size-dependent skin penetration of NPs, mainly through follicular pathways. Herein, for the first time, we demonstrate a proof-of-concept study that entails variations in skin permeability and diffusion coefficients, penetration rates and depth-of-penetration of differently shaped silver NPs (AgNPs) via intercellular pathways using both in vitro and in vivo models. The antimicrobial activity of AgNPs is known.
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Effective carbon and nutrient treatment solutions for mixed domestic-industrial wastewater in India(Water Science & Technology)
(S. Saha,N. bodhe,D. Seuntejens, S. E. Vlaeminck, R. Biswas Mondal, T. Nandy,volume 72(4),,page 651-657,Year : 2015)
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No information is available
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Methanol induces low temperature resilient methanogens and improves methane generation from domestic wastewater at low to moderate temperatures(Bioresource Technology)
(Shaswati Saha, Neha Badhe, Jo De Vrieze, Rima Biswas & Tapas Nandy,volume189,,page 370-378,Year : 2015)
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No information is available
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