Mao Jiangyu, Xie An, Song Yanyun, Ye Qian. Characteristics of low-frequency oscillations in course of SCS summer monsoon onset[J]. Acta Oceanologica Sinica, 2000, (3): 65-72.
Citation: Mao Jiangyu, Xie An, Song Yanyun, Ye Qian. Characteristics of low-frequency oscillations in course of SCS summer monsoon onset[J]. Acta Oceanologica Sinica, 2000, (3): 65-72.

Characteristics of low-frequency oscillations in course of SCS summer monsoon onset

  • Received Date: 1999-12-03
  • Rev Recd Date: 2000-01-20
  • 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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      沈阳化工大学材料科学与工程学院 沈阳 110142

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