| Mao Jiangyu,Xie An,Song Yanyun,Ye Qian. 2000. Characteristics of low-frequency oscillations in course of SCS summer monsoon onset. Acta Oceanologica Sinica, (3):65－72 |
| Characteristics of low-frequency oscillations in course of SCS summer monsoon onset |
| Characteristics of low-frequency oscillations in course of SCS summer monsoon onset |
| Received:December 03, 1999 Revised:January 20, 2000 |
| DOI： |
| Key words:Low-frequency oscillation the South China Sea summer moan onset |
| 中文关键词: Low-frequency oscillation the South China Sea summer moan onset |
| 基金项目:This work was supported by both State Key Project for Basic Research-The South China Sea Monsoon Experiment,and the National Natural Science Foundation of China under contract of No.49875016. |
| Author Name | Affiliation | | Mao Jiangyu | Departmnet of Geophysics, State Key Laboratory for Severe Storm Research, Peking University, Beijing 100871, China | | Xie An | Departmnet of Geophysics, State Key Laboratory for Severe Storm Research, Peking University, Beijing 100871, China | | Song Yanyun | Departmnet of Geophysics, State Key Laboratory for Severe Storm Research, Peking University, Beijing 100871, China | | Ye Qian | Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029, China |
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| Abstract: |
| Some of the low-frequency oscillation (LFO) characteristics of summer monsoon onset over the South China Sea (SCS) are examined based on NCEP/NCAR reanalysis data and OLR from NOAA in the period of 1979-1996.It is found that the SCS summer monsoon is characterized by predominance of low-frequency activities with significant interannual variability closely related with onset time.The LFOs over the SCS strengths after onset.Composite analyses for LFO components of OLR and kinetic energy indicate that the eastward propagation of LFO over the equatorial Indian Ocean and LFO owning from the western Pacific strongly affect the physical processes responsible for the SCS summer monsoon onset.The SCS is the place where the Indian Ocean LFO links with low-frequency activities over the western Pacific during summer monsoon onset. |
| 中文摘要: |
| Some of the low-frequency oscillation (LFO) characteristics of summer monsoon onset over the South China Sea (SCS) are examined based on NCEP/NCAR reanalysis data and OLR from NOAA in the period of 1979-1996.It is found that the SCS summer monsoon is characterized by predominance of low-frequency activities with significant interannual variability closely related with onset time.The LFOs over the SCS strengths after onset.Composite analyses for LFO components of OLR and kinetic energy indicate that the eastward propagation of LFO over the equatorial Indian Ocean and LFO owning from the western Pacific strongly affect the physical processes responsible for the SCS summer monsoon onset.The SCS is the place where the Indian Ocean LFO links with low-frequency activities over the western Pacific during summer monsoon onset. |
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