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Intensified Asian Summer Monsoon and its variability in a coupled model forced by increasing greenhouse gas concentrations
Author(s) -
Hu ZengZhen,
Latif Mojib,
Roeckner Erich,
Bengtsson Lennart
Publication year - 2000
Publication title -
geophysical research letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.007
H-Index - 273
eISSN - 1944-8007
pISSN - 0094-8276
DOI - 10.1029/2000gl011550
Subject(s) - monsoon , climatology , environmental science , east asian monsoon , greenhouse gas , atmospheric sciences , global warming , tropical monsoon climate , climate model , sea surface temperature , climate change , oceanography , geology
The Asian summer monsoon response to global warming is investigated by a transient green‐house warming integration with the ECHAM4/OPYC3 CGCM. It is demonstrated that increases of greenhouse gas concentrations intensify the Asian summer monsoon and its variability. The intensified monsoon results mainly from an enhanced land‐sea contrast and a northward shift of the convergence zone. A gradual increase of the monsoon variability is simulated from year 2030 onwards. It seems to be connected with the corresponding increase of the sea surface temperature variability over the tropical Pacific.