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《SCIENTIA ATMOSPHERICA SINICA》 1996-05
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A Numerical Simulation of the Climatic Interannual Variability

Xue Feng and Zeng Qingcun(Institute of Atmospheric Physics, Chinese Academy ofSciences, Beijing 100080)  
The simulated interannual variability of the sea level pressure, surface air temperature and precipitation is computed using the 20 years model output of IAP GCM. The results are compared with the observed data for evaluating the model's ability in simulating variability. It is shown that the model successfully reproduces the characteristic features of the geographical distributions of the observed variability. Therefore, the internal dynamical physical interaction processes in the atmosphere have substantial influences on the interannual variability. However, the model underestimates the observed variability systematically due to the absence of some external factors such as the interannual variations of the sea surface temperature and sea ice coverage.
【CateGory Index】: P467
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