p-σ混合坐标全球模式模拟夏季气候的性能及系统性误差分析

THE VALIDATION AND ANALYSES OF SYSTEMATIC ERRORS OF MODELING SUMMER CLIMATE WITH p-σ INCORPORATED COORDINATE GLOBAL MODEL

将球带范围的ｐ－σ混合坐标系五层原始方程模式发展成为包含极区的全球大气环流模式，并用ＧＦＤＬ多年平均气候分析资料检验了模式对夏季气候平均状态的模拟性能，分析了ｐ－σ混合坐标系全球大气环流模式模拟夏季气候的系统性误差。结果表明：ｐ－σ混合坐标系全球大气环流模式能较好地模拟夏季气候平均态，各高度上的主要环流系统都可以模拟出来，与球带模式的结果相比有一定的改进，而且陆地上的模拟结果优于海洋上的。

The model evaluation and systematic errors are analyzed by using a p-σ incorporated coordinate global model in this paper ,which is developed from zonal domain model. The comparisons are made between modeling monthly mean results and GFDL analyzed data in summer. The results show that this model can simulate the summer monthly mean climate conditions and can improve the simulated results to some extent compared with that of zonal domain model. The statistical tests indicate that modeling results over land are better than that over ocean. These results can provide climatic bases for improving and utlizing the model.