联合资料同化理论及其研究进展

被引：4

作者：

李崇银 ^{[1
,2
]}

黄红艳 ^{[1
]}

陈超辉 ^{[1
]}

桂发银 ^{[1
]}

机构：

[1] 解放军理工大学气象海洋学院

[2] 中国科学院大气物理研究所

来源：

测绘科学技术学报 | 2013年 / 30卷 / 04期

关键词：

联合资料同化; 集合卡尔曼滤波变换; 三维/四维变分同化; 集合预报;

D O I：

暂无

中图分类号：

P456.7 [数值预报方法];

学科分类号：

0706 ; 070601 ;

摘要：

联合资料同化是在"集合预报与资料同化一体化"的思想框架下研究发展的一种数值预报新理论和新方法。它在变分同化系统框架的基础上,充分利用集合预报结果,构造"流依赖"的背景误差协方差,提高对不同尺度天气系统背景误差协方差的刻画能力,进而改善分析和预报的质量。目前该方法已引起国际各主要气象业务中心广泛关注,极具业务应用潜力。本文以联合ETKF-3D-Var为例简要介绍了联合资料同化理论及其研究进展,也说明了联合资料同化的应用前景。

引用

页码：343 / 348

页数：6

共 14 条

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