Climatic Public space – meaning, model and metaphor in integrating the environmental, socio- economic and design realms

  • YEAR
    2019
  • AUTHORS
    Barman, Amal
    Roy, Madhumita
    Dasgupta, Dr. Arpan
  • CATEGORIES
    2019 Conference Papers
    Architectural Education and Sustainability
    Conference Papers

Extract

Characterised by warm and humid climate, the outdoor activities of Guwahati are often disrupted by thermal discomfort conditions in summer months. The city is witnessing rapid urban growth due to ever-increasing human population sacrificing existing green pockets. This constant decrease of green spaces is ultimately contributing to environmental imbalances and microclimate changes, resulting in a rise of surface air temperature and the formation of urban heat island in and around Guwahati city. Although the development pattern of Guwahati is controlled by prevailing GMDA building bye-laws, these building parameters are unable to control the organic growth of the city since there is no climate-sensitive approach available in bye-laws. This paper aims to study the impact of climatic behaviour in existing urban spatial arrangements and analyse to improve the outdoor thermal comfort level of urban public spaces. A climate-sensitive approach is initiated through Envi-met 4.0 simulations to analyse the value of PMV, air temperature, wind velocity, relative humidity and surface temperature of the study area. The study area considers the configuration of distance between buildings, average height, orientation of the building, width of the road and central public spaces.

Keywords: Urban microclimate; H/W ratio; Outdoor thermal comfort; warm and humid climate.

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