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Introduction of AGCM experiments in Blue-Action project and preliminary results

Lingling Suo (Climate Dynamics and Prediction)
Seminar Date: 
17. December 2019 - 11:15 - 11:45
Lecture room, Ground Floor, NERSC

Four groups of the AGCM experiments are conducted to isolate the relative role of the Arctic sea ice, PDO and AMO in Arctic warming. One is a historical experiment and the other three adopt the boundary conditions with climatological Arctic sea ice, removal of PDO / AMO signals in SST, respectively.
The preliminary results show that the Arctic sea ice trend contributes to the majority of Arctic near-surface warming while PDO suppresses Arctic tropospheric warming in recent several decades. The contribution of AMO is uncertain.