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Smart city article details
| Title | Integration Of Cost-Effective Datasets To Improve Predictability Of Strategic Noise Mapping In Transport Corridors In Delhi City, India |
|---|---|
| ID_Doc | 32136 |
| Authors | Kumar S.; Garg N.; Alam M.S.; Rab S. |
| Year | 2024 |
| Published | Environmental Science and Pollution Research, 31, 55 |
| DOI | http://dx.doi.org/10.1007/s11356-024-35458-1 |
| Abstract | Assessing exposure to environmental noise levels at transport corridors remains complex in conditions where no standardized noise prediction model is available. In planning and policy implementation for noise control, noise mapping is an important step. In the present study, land use regression model has been developed to predict the environmental noise levels in Delhi city, India, using previously developed approaches along with machine learning techniques, however improved using new datasets. Lday, Lnight, LAeq,24h, and Ldn were modeled at daily resolution by utilizing an annual noise levels dataset from 31 locations in Delhi city. The noise-monitored data was integrated with travel time data, nighttime light data along with common parameters including land use, road networks, and meteorological parameters. The developed LUR models showed good fit with R2 of 0.72 for Lday, 0.55 for Lnight, 0.71 for LAeq,24h, and 0.61 for Ldn, which was further improved up to 0.88 for Lday, 0.79 for Lnight, 0.86 for LAeq,24h, and 0.81 for Ldn by integrating machine learning approaches. The developed models were validated through tenfold cross validation and by comparison to a separate noise level dataset. The average travel time variable was observed to be the most influential predictor of LUR models for Lday and LAeq,24h, which signifies the crucial impact of road traffic congestion on environmental noise levels. The study also analyzed the parametric sensitivity of various infrastructural factors reported in the study, which shall be helpful for planning for smart cities. © The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature 2024. |
| Author Keywords | Land use regression approach; Machine learning approaches; Noise mapping; Noise modeling; Noise pollution; Travel time |
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