Littérature scientifique sur le sujet « Kolkata metropolis »

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Articles de revues sur le sujet "Kolkata metropolis"

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Mukherjee, Swarnali, Gautum Aditya, Parthiba Basu et Goutam K. Saha. « Butterfly diversity in Kolkata metropolis : a synoptic check list ». Check List 12, no 2 (18 mars 2016) : 1858. http://dx.doi.org/10.15560/12.2.1858.

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Butterflies are considered charismatic species for conservation planning as well as environmental monitoring and management. In this study, we assessed the richness of butterfly and associated plant species in Kolkata, India to provide baseline information on the extent of species diversity and prospective use in urban planning and conservation. In association with 39 different herbs and shrubs, at least 54 species of butterflies, belonging to five families, were found in urban habitats of Kolkata. Variations in the diversity indices of the butterfly and plant were observed over the months with highest values in the summer and postmonsoon period and low in the winter months. Butterfly association with the host plants reflected the ascendancy of generalist species in the study area. The network of butterfly and the host plant may be explored further to facilitate the conservation of butterfly and sustain the environmental quality of Kolkata, India
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Chaudhury, S., I. Roy, S. Podder, S. K. Gupta et G. K. Saha. « Diversity of Synanthropic Mites in Kolkata Metropolis, India ». Records of the Zoological Survey of India 104, no 3-4 (1 décembre 2005) : 151. http://dx.doi.org/10.26515/rzsi/v104/i3-4/2005/159312.

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Das, Gautam Kumar. « Water Quality Rating of Waterbodies in and around Kolkata Metropolis ». Indian Science Cruiser 36, no 6 (1 novembre 2022) : 28. http://dx.doi.org/10.24906/isc/2022/v36/i6/220824.

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GK, Saha. « House Dust Mite Allergy in Kolkata Metropolis in Response to Change in Lifestyle ». International Journal of Zoology and Animal Biology 2, no 6 (2019) : 1–8. http://dx.doi.org/10.23880/izab-16000189.

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Mishra, Siba Prasad, et Tridib Karmakar. « Anthropocene Air Quality Impact on the Kolkata People ». Advances in Research 25, no 3 (12 mars 2024) : 50–68. http://dx.doi.org/10.9734/air/2024/v25i31049.

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Air quality is a significant concern globally, particularly in densely populated urban areas like Kolkata, pollution-wise the 2nd largest, fast-growing metropolis in India. The present study correlates to Kolkata city during the pre-Anthropocene (the 1950s) and the concurrent air quality related to human health. Investigating the impact of anthropogenic activities on air quality in Calcutta and Kolkata is relevant to understanding public health risks and environmental sustainability. The portrayal of the current air pollutants, causes, classification and measuring apparatuses recommended by the India Meteorological Department, collected from WBPCB, the levels of the parameters such as. Particulate Matter (PM2.5 and PM10), CO, CO2, NO2, O3 and SO2 etc. and analysed statistically. Air pollution has outnumbered the fatalities of other polluting agents such as waterborne, waste, radiation, and anthropogenic players in the 21st century. The novel insights into the specific effects of anthropogenic activities on air quality in Kolkata are the vulnerabilities of transportation, industry, meteorological and slum activities that are valuable. The vulnerabilities that distract ambient air quality indices have reached critical levels of air pollutants, especially particulate matter, GHG gases and NO2. Different zones in the city are residential, commercial, shanty towns, and industrial areas. Results show levels of pollution are different in each area. Seasonal considered, the winter season is found to have the highest distraction from ambient air quality. Some suitable measures are conceptualised that will mitigate the menace of air pollution to pave the way for bringing sustainable urban health and environment development to Greater Kolkata.
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Mondal, Dinabandhu, et Sucharita Sen. « Methodological Dimensions of Delineating Peri-urban Areas : The Case of Kolkata Metropolis ». Environment and Urbanization ASIA 11, no 2 (23 août 2020) : 183–94. http://dx.doi.org/10.1177/0975425320938519.

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In the past few decades, due to urbanization and spatial expansion of cities beyond their municipal boundaries, complex interactions between the city and its surrounding rural areas have occurred, resulting in the formation of peri-urban spaces or zones of transition. There is a plurality of definitions for these peri-urban spaces, due to their diverse character in terms of land and water use, livelihood shifts, demographic and social transitions. Most peri-urban areas, specifically those around large metropolitan cities, are increasingly assuming complex characters, which call for governance structures beyond rural–urban binaries. For any administrative intervention of a serious nature in peri-urban areas, a standard methodology for demarcation of these spaces is required. This article is an attempt to develop and apply such a methodology beyond the existing ones, using government sources of data, in the case of Kolkata Metropolis. This article uses socio-economic and land-use characteristics to achieve this objective. It finds that peri-urban spaces do not necessarily develop uniformly around the city; instead, they are fragmented and could be located both near or relatively far from urban areas.
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Podder, Sanjoy, Salil Kumar Gupta et Goutam Kumar Saha. « Seasonal prevalence of allergenic mites in house dust of Kolkata Metropolis, India ». Aerobiologia 25, no 1 (18 décembre 2008) : 39–47. http://dx.doi.org/10.1007/s10453-008-9107-1.

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Mondal, Dinabandhu. « Basic Service Provisioning in Peri-urban India : A Regional Perspective from Kolkata Metropolis ». Indian Journal of Human Development 15, no 1 (avril 2021) : 97–116. http://dx.doi.org/10.1177/09737030211000930.

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In the globalising world, rapid urbanisation and expansion of cities trigger complex interactions with the surrounding rural areas and transform them into peri-urban areas. The peri-urban transitional spaces around cities experience rapid population growth and occupational diversification. However, they suffer from poor infrastructure and service provisions and the living condition has also been deteriorating over time with increasing population pressure. This article tries to explore accessibility to basic services in the transitional interfaces in comparison with the urban core and rural counterparts, taking Kolkata metropolis as a case. Using village level household information obtained from Census 2011, a composite amenity index by principal component analysis and one-way analysis of variance have been used to assess the status of services. The study finds that the condition of basic service provisions in peri-urban areas is unsatisfactory and far behind from the urban areas. It therefore resembles the hypothesis of “degenerated periphery” that the expansion of cities creates peripheries without basic civic amenities and infrastructural facilities necessary for its residents for maintaining the standard of living.
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Biswas, Subhadip, Bhupendra Singh et Arpita Saha. « ASSESSMENT OF LEVEL-OF-SERVICE ON URBAN ARTERIALS : A CASE STUDY IN KOLKATA METROPOLIS ». INTERNATIONAL JOURNAL FOR TRAFFIC AND TRANSPORT ENGINEERING 6, no 3 (septembre 2016) : 303–12. http://dx.doi.org/10.7708/ijtte.2016.6(3).06.

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Das, Reshmi, Bahareh Khezri, Bijayen Srivastava, Subhajit Datta, Pradip K. Sikdar, Richard D. Webster et Xianfeng Wang. « Trace element composition of PM2.5 and PM10 from Kolkata – a heavily polluted Indian metropolis ». Atmospheric Pollution Research 6, no 5 (septembre 2015) : 742–50. http://dx.doi.org/10.5094/apr.2015.083.

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Thèses sur le sujet "Kolkata metropolis"

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Roy, Sinjini. « Life of the middleclass aged in Kolkata metropolis : a sociological enquiry ». Thesis, University of North Bengal, 2016. http://hdl.handle.net/123456789/2567.

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Chapitres de livres sur le sujet "Kolkata metropolis"

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Roy, Maitreyee Bardhan. « Women Empowerment Vis-a-Vis Late Parenting ». Dans Handbook of Research on New Dimensions of Gender Mainstreaming and Women Empowerment, 204–20. IGI Global, 2020. http://dx.doi.org/10.4018/978-1-7998-2819-8.ch012.

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The author of the chapter, while focusing on the neo-family ethos in India, indicates how women empowerment has overhauled the traditional family culture in 20th century India in the aftermath of the partition of Bengal and independence. The post-partition empowered women, with their economic independence, gave birth to an inherently empowered and educated women group (as their offspring) propagating late marriage and late parenting through their own practices and also through their fellow Indian citizens located in various urban centres of the country. The post-1990 globalization and liberalization policies have enabled the educated women group to procure skilled jobs with lucrative salaries and attractive service conditions in MNCs and IT sectors. The author of the chapter, through field surveys, tries to display the reality scenario through interaction with those women located in the modern employment sectors in the Kolkata metropolis.
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Das, Jayati, et Saibal Moitra. « Asthma Predictability Index among Children in Regard to Air Quality Prevalent in and Around Kolkata Metropolis ». Dans Challenging Issues on Environment and Earth Science Vol. 9, 101–12. Book Publisher International (a part of SCIENCEDOMAIN International), 2021. http://dx.doi.org/10.9734/bpi/ciees/v9/12487d.

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« Participatory Urban Governance and Slum Development in Hyderabad and Kolkata ». Dans Governing India's Metropolises, 231–62. Routledge India, 2012. http://dx.doi.org/10.4324/9780203151860-18.

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« A Comparative Overview of Urban Governance in Delhi, Hyderabad, Kolkata, and Mumbai ». Dans Governing India's Metropolises, 46–76. Routledge India, 2012. http://dx.doi.org/10.4324/9780203151860-10.

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« Primary Education in Delhi, Hyderabad and Kolkata : Governance by Resignation, Privatisation by Default ». Dans Governing India's Metropolises, 157–82. Routledge India, 2012. http://dx.doi.org/10.4324/9780203151860-15.

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« From Polarisation to Urban De-integration : Water and Sanitation in Delhi, Kolkata and Hyderabad ». Dans Governing India's Metropolises, 205–30. Routledge India, 2012. http://dx.doi.org/10.4324/9780203151860-17.

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« Thinking the Delhi, Hyderabad, Kolkata, and Mumbai Experience : Emerging Modes of Urban Governance and State Intervention ». Dans Governing India's Metropolises, 292–325. Routledge India, 2012. http://dx.doi.org/10.4324/9780203151860-20.

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Actes de conférences sur le sujet "Kolkata metropolis"

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« A Spatio-temporal assessment of Brownfield transformation in a Metropolis : Case of Kolkata India ». Dans 6th Annual International Conference on Architecture and Civil Engineering (ACE 2018). Global Science and Technology Forum, 2018. http://dx.doi.org/10.5176/2301-394x_ace18.80.

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Chanden, Mysore Chandrashekar, J. S. Aadithyaa, P. S. Prakash et Haridas Bharath. « Machine learning for building extraction and integration of particle swarm optimization with sleuth for urban growth pattern visualization for liveable cities ». Dans 55th ISOCARP World Planning Congress, Beyond Metropolis, Jakarta-Bogor, Indonesia. ISOCARP, 2019. http://dx.doi.org/10.47472/pukd9844.

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Rapidly increasing population and migration from rural areas to nearby urban agglomerations develop tremendous pressure on system of the existing cities without compromising socioeconomic and cultural linkages. Policy interventions, both at global and local scale, have created newer avenues for the researchers to explore real-time solutions for problems world-wide. For instance, the outcome of 2015 United Nations agenda for the achievement of the Sustainable Development Goals (SDGs) by the year 2030 primarily focuses on urbanization issues and probabilistic modelling of future scenarios to obtain a robust alternative for resource utilization and further for maximizing sustainability through land use pattern analysis. This is the clear indication toward the very important role of “ever dormant” urban planning, especially in the case of a rapidly developing country such as India. Remote sensing and geo informatics along with Machine learning can provide extremely relevant information about the pattern change in cities and as input to visualize the future growth pockets. In this context, potential of cellular automata (CA) in urban modelling has been explored by various researchers across the globe. In the recent past, models have been drawing majority of the attention along with geographic CA processes about urban growth and urban sprawl studies. Most recent approaches include optimization of transition rules based on machine learning techniques and evolutionary algorithms that follow nature-inspired mechanism such as Genetic Algorithm, Ant colony optimization, Particle Swarm Optimization (PSO), simulated annealing, Grey Wolf optimizer etc. Irrespective of any modelling technique, model calibration remains one of the challenging and most crucial steps towards obtaining realistic results. This research communication tries to demonstrate a novel idea of integrating PSO with SLEUTH post calibration of the spatial-temporal footprint of urban growth from the year 1990 to 2017 for Kolkata, a historical megacity of Eastern India. Results were evaluated and validated using statistical fit measuresreveals PSO-SLEUTH performed substantially better compared to traditional Brute Force calibration method (BFM). Another significant development was in terms of computation time of optimized values from days (BFM) to hours (PSO). The study identifies Kolkata region to be sensitive to spread and road gravity coefficients during calibration procedure. Results indicate growth along the transport corridors with multiple agents fuelling the growth. Further, with the aid of high spatial resolution data, buildings were extracted to understand the growth parameters incorporating neural networks. Using the results, renewable energy aspects were explored to harness and provide a suitable local solution for energy issues in energy gobbling cities. Pattern of landscape change, development of better process of modeling and extraction of building from machine learning techniques for planning smart cities with self-sustaining energy is presented in this research work.
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