数值天气预报模式物理过程参数化方案的研究进展

被引:32
作者
马雷鸣 [1 ,2 ,3 ]
鲍旭炜 [2 ]
机构
[1] 上海中心气象台
[2] 中国气象局上海台风研究所
[3] 上海市气象与健康重点实验室
基金
国家重点研发计划;
关键词
数值模式; 云物理参数化; 对流参数化; 边界层参数化;
D O I
暂无
中图分类号
P456.7 [数值预报方法];
学科分类号
摘要
数值天气预报模式对天气过程发展的物理描述主要通过物理过程参数化实现,因此,物理过程参数化方案的发展一直是国际研究热点,也是数值模式改进的难点。在阐述对流、云微物理和边界层等主要物理参数化方案的理论基础和发展历史的基础上,指出在高分辨率模式网格条件下的物理过程参数化方案改进将是未来数值模式发展的核心问题。随着高性能计算能力的迅速发展,目前业务模式网格距已逐渐精细到小于10 km,但模式所使用的物理过程参数化方案大多并未针对高分辨率网格设计,其理论假设的适用性值得商榷。根据目前国际研究趋势,探讨了今后物理过程参数化方案研究改进的重点方向。
引用
收藏
页码:679 / 687
页数:9
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