| 一种东亚冬季风指数的环流意义及优化 |
| |
| 引用本文： | 刘晴晴,王盘兴,徐祥德,李丽平.一种东亚冬季风指数的环流意义及优化[J].南京气象学院学报,2010,33(4):436-442. |
| |
| 作者姓名： | 刘晴晴 王盘兴 徐祥德 李丽平 |
| |
| 作者单位： | 1. 南京信息工程大学,大气科学学院,江苏,南京,210044
2. 中国气象科学研究院,北京,100081 |
| |
| 基金项目： | 江苏省气象灾害重点实验室资助项目 |
| |
| 摘 要： | 论证了东亚冬季风环流指数IG与冬季蒙古高压强度和南北位置存在显著的同时相关,故IG本质上也是蒙古高压指数。在此基础上,构造了与IG结构相同的环流指数,从中筛选出一批优化的东亚冬季风指数IM。IM保持了IG结构简单、环流意义清晰的优点,且其格点选择更为合理,与中国同期气温负相关联系更强。因为定义IM的格点与蒙古高压关系密切,故IM也可称为蒙古高压指数。
|
| 关 键 词： | 东亚冬季风指数 优化的东亚冬季风指数 蒙古高压指数 |
An Optimized East Asian Winter Monsoon Index and Its Circulation Significance |
| |
| LIU Qing-qing,WANG Pan-xing,XU Xiang-de,LI Li-ping.An Optimized East Asian Winter Monsoon Index and Its Circulation Significance[J].Journal of Nanjing Institute of Meteorology,2010,33(4):436-442. |
| |
| Authors: | LIU Qing-qing WANG Pan-xing XU Xiang-de LI Li-ping |
| |
| Institution: | 1.School of Atmospheric Sciences,NUIST,Nanjing 210044,China;2.Chinese Academy of Meteorological Sciences,Beijing 100081,China) |
| |
| Abstract: | This paper demonstrates that the East Asian winter monsoon circulation index（EAWMI） IG is a circulation characteristic parameter that is significantly correlated with the intensity and meridional position of Mongolian high.Therefore it can be regarded essentially as the circulation index of the high.In a similar way to define IG,a group of optimized EAWMIs,IM,are constructed and optimally selected,and in comparison with IG,IM possesses advantages of simple structure,clear circulation meaning,more appropriately chosen definition gridpoints,and a closer correlation with winter temperatures in China.Because definition gridpoints of IM have a closer relation with Mongolian high,it can be called Mongolian high index. |
| |
| Keywords: | East Asian winter monsoon circulation index optimization Mongolia High circulation index |
| 本文献已被 维普 万方数据 等数据库收录！ |
|
