La Niña's diminishing fingerprint on the central Indian summer monsoon

• Main Authors: Samanta, Dhrubajyoti, Rajagopalan, Balaji, Karnauskas, Kristopher B., Zhang, Lei, Goodkin, Natalie Fairbank
• Other Authors: Asian School of the Environment
• Format: Article
• Language: English
• Published: 2020
• Subjects: Science::Physics::Meteorology and climatology; Science::Physics::Geophysics and geomagnetism; ISM Rainfall; La Niña‐ISM Teleconnection
• Online Access: https://hdl.handle.net/10356/137838
• Institution: Nanyang Technological University

La Niña years tend to provide increased Indian summer monsoon (ISM) rainfall. However, observations show 6–8% reduction in ISM rainfall during post-1980 La Niñas relative to pre-1980. Using a suite of atmospheric general circulation model experiments, we replicate this observed phenomenon and attrib...