地形重力波拖曳参数化方案在华南中尺度模式(GRAPES)中的应用试验

被引：12

作者：

钟水新

陈子通

黄燕燕

张诚忠

徐道生

戴光丰

杨兆礼

机构：

[1] 中国气象局广州热带海洋气象研究所/广东省区域数值天气预报重点实验室

来源：

热带气象学报 | 2014年 / 30卷 / 03期

基金：

广东省科技计划;

关键词：

天气预报; 参数化方案; 地形重力波拖曳; GRAPES;

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：

在华南中尺度模式GRAPES中发展KA95方案地形重力波拖曳参数化方案(GWDO),并对2012年的2月8—12日影响华南冷空气过程、8月23—24日发生在广东的局地性暴雨和5—8月共4个月的KA95方案预报试验进行检验。结果表明,KA95地形重力波拖曳参数化方案的引入,改善了GRAPES模式对冬、春季低层南风偏强和地面温度偏高的现象,一定程度上纠正了在模式积分过程中出现的南风偏差,改正了在业务预报中因南风偏强而导致温度偏差过大的现象;改善了模式对局地强降水强度和落区的预报,减小了大雨和暴雨的漏报率和预报偏差,提高了GRAPES模式对降水的预报效果。

引用

页码：413 / 422

页数：10

共 31 条

[1]

The effect of orographically excited gravity wave drag on the general circulation of the lower stratosphere and troposphere. McFarlane N A. Journal of the Atmospheric Sciences . 1987

[2]

Alleviation of a systematic westerly bias in general circulation and numerical weather prediction models through an orographic gravity wave drag parameterization. Palmer TN,Shutts GJ,Swinbank R. Quarterly Journal of the Royal Meteorological Society . 1986

[3]

EFFECTS OF MOISTURE ON TRAPPED MOUNTAIN LEE WAVES. Durran, Dale R.,Klemp, Joseph B. Journal of the Atmospheric Sciences . 1982

[4]

Improvement of orographic gravity wave parameterization using a mesoscale gravity wave model. Kim, Young-Joon,Arakawa, Akio. Journal of the Atmospheric Sciences . 1995

[5]

Parametrization and influence of subgridscale orography in general circulation and numerical weather prediction models[J] . M. J. Miller,T. N. Palmer,R. Swinbank. &nbspMeteorology and Atmospheric Physics . 1989 (1)

[6]

Extension of an orographic‐drag parametrization scheme to incorporate orographic anisotropy and flow blocking[J] . Young‐joonKim,James D.Doyle. &nbspQ.J.R. Meteorol. Soc. . 2006 (609)

[7] Lower-tropospheric enhancement of gravity wave drag in a global spectral atmospheric forecast model [J].

Hong, Song-You ;

Choi, Jung ;

Chang, Eun-Chul ;

Park, Hoon ;

Kim, Young-Joon .

WEATHER AND FORECASTING, 2008, 23 (03) :523-531

[8]

Interaction between the orography-induced gravity wave drag and boundary layer processes in a global atmospheric model[J] . Kim, Young-Joon,Hong, Song-You. &nbspGeophysical Research Letters . 2009 (12)

[9]

A Spectral Parameterization of Drag, Eddy Diffusion, and Wave Heating for a Three-Dimensional Flow Induced by Breaking Gravity Waves[J] . Zhu, Xun,Yee, Jeng-Hwa,Swartz, William H,Talaat, Elsayed R,Coy, Lawrence. &nbspJournal of the Atmospheric Sciences . 2010 (8)

[10] Self-Acceleration in the Parameterization of Orographic Gravity Wave Drag [J].

Scinocca, John F. ;

Sutherland, Bruce R. .

JOURNAL OF THE ATMOSPHERIC SCIENCES, 2010, 67 (08) :2537-2546

← 1 2 3 4 →