Reduction of uncertainty associated with future changes in Indian summer monsoon projected by climate models and assessment of monsoon teleconnections

Kavirajan Rajendran; Sajani Surendran; Akio Kitoh; Stella Jes Varghese

doi:10.1117/12.2229392

3 May 2016 Reduction of uncertainty associated with future changes in Indian summer monsoon projected by climate models and assessment of monsoon teleconnections

Kavirajan Rajendran, Sajani Surendran, Akio Kitoh, Stella Jes Varghese

Author Affiliations +

Proceedings Volume 9882, Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions VI; 98820D (2016) https://doi.org/10.1117/12.2229392
Event: SPIE Asia-Pacific Remote Sensing, 2016, New Delhi, India

Abstract

Coupled Model Intercomparison Project phase 5 (CMIP5) coupled global climate model (CGCM) Representative Concentration Pathway (RCP) simulations project clear future temperature increase but diverse changes in Indian summer monsoon rainfall (ISMR) with substantial inter-model spread. Robust signals of projected changes are derived based on objective criteria and the physically consistent simulations with the highest reliability suggest future reduction in the frequency of light rainfall but increase in high to extreme rainfall. The role of equatorial Indian and Pacific Oceans on the projected changes in monsoon rainfall is investigated. The results of coupled model projections are also compared with the corresponding projections from high resolution AGCM time-slice, multi-physics and multi-forcing ensemble experiments.

Citation Download Citation

Kavirajan Rajendran, Sajani Surendran, Akio Kitoh, and Stella Jes Varghese "Reduction of uncertainty associated with future changes in Indian summer monsoon projected by climate models and assessment of monsoon teleconnections", Proc. SPIE 9882, Remote Sensing and Modeling of the Atmosphere, Oceans, and Interactions VI, 98820D (3 May 2016); https://doi.org/10.1117/12.2229392

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