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Smart city article details
| Title | Evaluating Future Urban Temperature Over Smart Cities Of The Gangetic Plains Using Statistically Downscaled Cmip6 Projections |
|---|---|
| ID_Doc | 24579 |
| Authors | Kumar P.; Barat A.; Sarthi P.P.; Shankar A. |
| Year | 2024 |
| Published | Theoretical and Applied Climatology, 155, 6 |
| DOI | http://dx.doi.org/10.1007/s00704-024-04896-9 |
| Abstract | The climate change assessment in the context of urban areas is very crucial for policy making regarding hazard mitigation and citizen’s health, especially for the smart cities. The past climate assessment and present climate monitoring is somewhere easy, but the projection of future climate at city level is very difficult as most climate models fail to resolve the cities spatially. Over the highly populated areas like the region of Gangetic Plains the precise city specific climate projection becomes more important. The present study aims to project the future temperature, covering both minimum temperature (Tmin) and maximum temperature (Tmax) and analyse the extreme indices over smart cities in the Gangetic Plains, as one of the pioneer works using CMIP6 model’s downscaled outputs using SDSM model. The study reveals that these smart cities are likely to experience warmer and more extreme temperatures in the upcoming decades. The future temperature projections were generated under two emission scenarios (SSP245 and SSP585), and for near future (2030–2065) and far future (2066–2100) periods. The drastic change in minimum temperature (Tmin) was observed over New Delhi, Prayagraj, Kolkata, and Lucknow by the end of the century under SSP585. Four extreme temperature indices were also analyzed for future time series: (1) TXgt40(No. of days Tmax > 40ºC); (2) TNlt10(No. of days when Tmin < 10ºC); (3) TX90p (Percentage of days when Tmax > 90th percentile); and (4) TN10P (Percentage of days when Tmin < 10th percentile). The increasing trend of warm temperature Indices and decreasing trend of cool temperature indices were observed over all the stations. The drastic change in extreme temperature indices may have a significant effect on urban climate, it could impact public health by increasing the incidence of heat-related illnesses such as heat stress or heat exhaustion. The present study can be also utilized as a probable baseline for assessing the extreme climate conditions in the future. As this study is one of the very first attempts under the aspect of smart cities and thus it may help in developing early warning systems for smart cities in the Gangetic Plain. © The Author(s), under exclusive licence to Springer-Verlag GmbH Austria, part of Springer Nature 2024. |
| Author Keywords | ClimPACT2; CMIP6; Gangetic plain; SDSM; Smart cities |
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