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Climate Scenarios for South Asia and Indian Monsoon

The CCCR at IITM focus on the development of new climate modelling capabilities in India and South Asia to address issues concerning the science of climate change.

CCCR-IITM has generated an ensemble of high resolution dynamically downscaled future projections of regional climate over South Asia and Indian monsoon, which will be useful for impact assessment studies and for quantifying uncertainties in the regional projections. A brief overview of this core climate change modeling activity of CCCR-IITM was presented in an Interim Report on Climate Change over India .

The results of further detailed analysis of these regional climate projections are presented here as maps and time series, with selected data available for download.

Region Scenario Period Climate Indices

The spatial pattern of the change in annual temperature for the period 2065-2095 compared with 1976-2005 based on an ensemble with six regional climate projections for the RCP4.5 scenario. The maps below show more information about the spread among ensemble members, as well as for other time periods.

The spatial pattern of the change in annual temperature for the period (top row) 2021-2045, (center row) 2035-2065, and (bottom row) 2065-2095 compared with 1976-2005. The change in the (left column) 25th percentile, (middle column) ensemble mean, and (right column) 75th percentile are shown based on an ensemble with six regional climate projections for the RCP4.5 scenario.