Smart City Gnosys
Smart city article details
| Title | Enhancing The City-Level Thermal Environment Through The Strategic Utilization Of Urban Green Spaces Employing Geospatial Techniques |
|---|---|
| ID_Doc | 24009 |
| Authors | Gupta A.; De B. |
| Year | 2024 |
| Published | International Journal of Biometeorology, 68, 10 |
| DOI | http://dx.doi.org/10.1007/s00484-024-02733-2 |
| Abstract | Smart urban planning needs to have a multicriteria-based approach to prevent the deteriorating local thermal climate. Maximizing the cooling potential using the available grey infrastructure would be the utmost priority of future smart cities. Remote sensing and GIS can be the appropriate tools to develop a climate-resilient urban planning framework. Studies are needed to include different features of vertical and horizontal landscaping to mitigate heat stress and enhance liveability at the city level. With this goal, the current work outlined a holistic approach to efficiently using green spaces with minimal reconstruction. The problem of regional climate threat was evaluated with urban heat island characterization. Moran’s I clustering identified nearly 12% of the study area to be under considerable heat stress during summer days. Multiple techniques, such as mapping local climate zones, segment mean shift-based roof extraction, vegetation index computation, solar azimuth-based green wall site selection, etc., were applied to formulate solutions and provide an integrated method for city-level environment enhancement. A considerable area was identified as most suitable for green roof cover, and it was also computed that the transition towards green roof at only these locations may bring down the maximum heat island intensity by 0.74 °C. Additionally, solar zenith, illumination effect, and building height information were combined to create a distinct method where vertical plantation would flourish exceptionally. A rigorous assessment of more than 130 urban green spaces further quantified the relation between landscape geometry and cooling effect to provide optimum green space designs for future urban planning. © The Author(s) under exclusive licence to International Society of Biometeorology 2024. |
| Author Keywords | Cooling potential; Geospatial techniques; Heat island; Local climate zone; Urban green space |
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