一种新型海-气湍流通量参数化方案的模式测试

被引:1
作者
班军梅 [1 ,2 ]
胡艳冰 [1 ,3 ]
李煜斌 [1 ,2 ]
徐小慧 [1 ,2 ]
孙燕 [4 ]
机构
[1] 中国科学院大气物理研究所大气边界层物理和大气化学国家重点实验室
[2] 中国科学院研究生院
[3] 空军装备研究院航空气象防化研究所
[4] 山西省气象局
关键词
CAM3; 海-气湍流通量; 参数化模拟;
D O I
暂无
中图分类号
P732.6 [海洋与大气的相互关系];
学科分类号
摘要
将一种新型湍流通量参数化方案代入到大气环流模式CAM3中,对比分析了模式改进前后模拟的风应力、感热通量、潜热通量和降水的全球分布,以及风应力、潜热通量和降水的纬向平均。结果表明:改进后模式的模拟结果更接近ERS、ERA40湍流通量数据和CMAP综合降水数据,其中对西风带上洋面风应力、亚洲季风区的潜热通量和降水改进明显。由于该新型湍流通量参数化方案直接由整体理查逊数、空气动力学粗糙度和热力学粗糙度参数化稳定度参数,避免了通过循环迭代计算Obukhov长度,计算效率得到提高。
引用
收藏
页码:72 / 82
页数:11
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