The East Asian Monsoon Simulation with IAP AGCMs-A Composite Study

Wang Huijun; Bi Xunqiang

doi:10.1007/BF02656868

Impact Factor: 5.8

Volume 13 Issue 2

Apr. 1996

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1996 > 13(2): 260-264

The East Asian Monsoon Simulation with IAP AGCMs-A Composite Study

1.
Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences, Beijing 100029,Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences, Beijing 100029

doi: 10.1007/BF02656868

Abstract
References
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Abstract:
Preliminary analyses on simulation of East Asian monsoon (EAM) by IAP 9-level and 2-level Atmospheric General Circulation Models of AMIP run were made. The analyses include the seasonal and interannual variations of EAM circulation, the monsoon index defined with 850 hPa wind, the circulation differences of composite strong and weak monsoon years and the regional precipitation over China monsoon region. Two models can give reasonable simulation on the seasonal variation of the subtropical high over Western Pacific and the middle latitude circulation index, the observed global circulation differences for strong and weak EAM. However, the abilities of the models on reproducing the cross-equatorial wind of EAM system, the interannual variation of EAM and the regional precipitation variability are unsatisfactory. Improvements on EAM simulation should contain both the better representation on the regional surface details (orography surface albedo and surface water and energy flux) and the improvement of the tropical global circulation, modelling.
- East Asian monsoon simulation,
- Composite study
References

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Manuscript History

Manuscript received: 10 April 1996

Manuscript revised: 10 April 1996

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

The East Asian Monsoon Simulation with IAP AGCMs-A Composite Study

1. Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences, Beijing 100029,Institute of Atmospheric Physics (IAP), Chinese Academy of Sciences, Beijing 100029

Manuscript received: 1996-04-10
Manuscript revised: 1996-04-10

Abstract: Preliminary analyses on simulation of East Asian monsoon (EAM) by IAP 9-level and 2-level Atmospheric General Circulation Models of AMIP run were made. The analyses include the seasonal and interannual variations of EAM circulation, the monsoon index defined with 850 hPa wind, the circulation differences of composite strong and weak monsoon years and the regional precipitation over China monsoon region. Two models can give reasonable simulation on the seasonal variation of the subtropical high over Western Pacific and the middle latitude circulation index, the observed global circulation differences for strong and weak EAM. However, the abilities of the models on reproducing the cross-equatorial wind of EAM system, the interannual variation of EAM and the regional precipitation variability are unsatisfactory. Improvements on EAM simulation should contain both the better representation on the regional surface details (orography surface albedo and surface water and energy flux) and the improvement of the tropical global circulation, modelling.

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