Modelling the global monsoon system by IAP 9L AGCM

The global monsoon system is simulated by IAP 9L AGCM. The result indicates that the model successfully simulates the monsoon system in the lower trop osphere including the classic tropical monsoon, the subtropical monsoon and the temperate-frigid monsoon. Besides, the planetary monsoon in the upper troposphere is also realistically reproduced. On the other hand, the strato spheric monsoon is poorly simulated, a further analysis reveals that this i s caused by the systematic overestimation of the westerly in the model.