Articles | Volume 15, issue 2
https://doi.org/10.5194/essd-15-661-2023
https://doi.org/10.5194/essd-15-661-2023
Data description paper
 | 
08 Feb 2023
Data description paper |  | 08 Feb 2023

Spatially resolved hourly traffic emission over megacity Delhi using advanced traffic flow data

Akash Biswal, Vikas Singh, Leeza Malik, Geetam Tiwari, Khaiwal Ravindra, and Suman Mor

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Cited articles

Afrin, T. and Yodo, N.: A Survey of Road Traffic Congestion Measures towards a Sustainable and Resilient Transportation System, Sustainability, 12, 4660, https://doi.org/10.3390/su12114660, 2020. 
Álamos, N., Huneeus, N., Opazo, M., Osses, M., Puja, S., Pantoja, N., Denier van der Gon, H., Schueftan, A., Reyes, R., and Calvo, R.: High-resolution inventory of atmospheric emissions from transport, industrial, energy, mining and residential activities in Chile, Earth Syst. Sci. Data, 14, 361–379, https://doi.org/10.5194/essd-14-361-2022, 2022. 
Anup, S. and Yang, Z.: New two-wheeler vehicle fleet in India for fiscal year 2017–18, Working paper, International Council for Clean Transport, https://theicct.org/publication/new-two-wheeler-vehicle-fleet-in-india-for-fiscal-year-2017-18/ (last access: 11 December 2021), 2020. 
Automotive Research Association of India (ARAI): Development of emission factor for Indian vehicles in the year 2008, Air Quality Monitoring Project-Indian Clean Air Programme (ICAP), 1–89, http://www.cpcb.nic.in/Emission_Factors_Vehicles.pdf (last access: 30 November 2021), 2008. 
Beig, G., Sahu, S. K., Singh, V., Tikle, S., Sobhana, S. B., Gargeva, P., Ramakrishna, K., Rathod, A., and Murthy, B. S.: Objective evaluation of stubble emission of North India and quantifying its impact on air quality of Delhi, Sci. Total Environ., 709, 136126, https://doi.org/10.1016/j.scitotenv.2019.136126, 2020. 
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Short summary
This paper presents detailed emission estimates of on-road traffic exhaust emissions of nine major pollutants for Delhi. We use advanced traffic data and emission factors as a function of speed to estimate emissions for each hour and 100 m × 100 m spatial resolution. We examine the source contribution according to the vehicle, fuel, road and Euro types to identify the most polluting vehicles. These data are useful for high-resolution air quality modelling for developing suitable strategies.
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