Case Study on the Impact of the Vortex in the Easterlies in the Tropical Upper Troposphere on the Western Pacific Subtropical Anticyclone 推荐 CAJ下载
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【英文篇名】
Case Study on the Impact of the Vortex in the Easterlies in the Tropical Upper Troposphere on the Western Pacific Subtropical Anticyclone
By employing the NCEP/NCAR reanalysis data (1000–10 hPa, 2.5°× 2.5°), the impact of the vortex in the easterlies (EV) over the tropical upper troposphere on the zonal movement of the western Pacific subtropical anticyclone (WPSA) during 19–25 June 2003 is analyzed in this paper. It is shown that the EV can extend from middle troposphere to the height of 50 hPa, reaching a maximum at 200 hPa. The vertical thermal distribution appears to be warmer in the upper layer and colder in the lower layer. The WPSA ret...
【英文摘要】
By employing the NCEP/NCAR reanalysis data (1000–10 hPa, 2.5° × 2.5°), the impact of the vortex in the easterlies (EV) over the tropical upper troposphere on the zonal movement of the western Pacific subtropical anticyclone (WPSA) during 19–25 June 2003 is analyzed in this paper. It is shown that the EV can extend from middle troposphere to the height of 50 hPa, reaching a maximum at 200 hPa. The vertical thermal distribution appears to be warmer in the upper layer and colder in the lower layer. The WPSA re...
【基金】
Supported by the National Natural Science Foundation of China under Grant No. 40875030;
Heavy Rain Opening Foun-dation under Grant No. IHR2005K04
【更新日期】
2009-08-26
【分类号】
P434
【正文快照】
1. Introduction The western Pacific subtropical anticyclone (WPSA) is an important component of the East Asian monsoon system. It is closely related to the heavy rainfall process in Meiyu season in the eastern part of China. The movement of the WPSA direc
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