Abstract
Due to various changes in global climatic conditions and greenhouse gas emissions, it is critical to comprehend variations in precipitation patterns at higher spatial and temporal scales. To assess the impact of climate change on precipitation across India, the current study uses simulations from six Global climate models (GCMs) (ACCESS-CM2, ACCESS-ESM1-5, BCC-CSM2-MR, CanESM5, INM-CM4-8, and KACE-1-0-G) for the four SSP emission scenarios for the 1980–2014 historical period and 2022–2056, 2057–2091 future projections. The Indian Meteorological Department (IMD), Pune, provided observed data with a high spatial resolution of (0.25° × 0.25°) on a daily time scale. For downscaling the daily precipitation over India, a multiplicative change factor technique is used. The current study examines the change in daily average rainfall and daily maximum rainfall for the four climate emission scenarios (SSP126, SSP245, SSP370 and SSP585) with two distinct time scales (2022–2056 and 2057–2091) over India using six GCMs from the CMIP-6 simulations. Many portions of India saw an increase in daily average rainfall of 0–50 mm and a shift in maximum daily rainfall of 500–1000 mm as a result of the four climate emission scenarios.
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The authors acknowledge the financial support from Science and Engineering Research Board, Government of India through the Project No. SRG/2019/001424.
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Vinod, D., Agilan, V. (2022). Impact of Climate Change on Precipitation Over India Using CMIP-6 Climate Models. In: Dikshit, A.K., Narasimhan, B., Kumar, B., Patel, A.K. (eds) Innovative Trends in Hydrological and Environmental Systems. Lecture Notes in Civil Engineering, vol 234. Springer, Singapore. https://doi.org/10.1007/978-981-19-0304-5_13
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