Zhu Yafen, Yang Dasheng. Analysis of the air-sea heat exchange during the El Nino event in 1983[J]. Acta Oceanologica Sinica, 1990, (4): 513-526.
Citation: Zhu Yafen, Yang Dasheng. Analysis of the air-sea heat exchange during the El Nino event in 1983[J]. Acta Oceanologica Sinica, 1990, (4): 513-526.

Analysis of the air-sea heat exchange during the El Nino event in 1983

  • Received Date: 1989-10-15
  • Rev Recd Date: 1990-01-10
  • In this paper,by using the ECMWF objective analysed data as well as CAC and NOAA grid point data of 1981 and 1983,the sensible and latent heat fluxes at the air and sea boundary surface within the range of 45°E-75°W, 35°N-35°S over the Pacific and the Indian Ocean are calculated. The purpose is to analyse the different revealing features during the mature stage and at the end of the 1982-1983 El Nino event and to compare the difference of the features between thd El Nino and the normal. The result shows that the air and sea heat exchange west of the dateline over the central tropical Pacific during the El Nino period is more intense than that of the normal. However,the fluxes of the sensible and latent heat on the sea surface with strong warming of SSTneat by and on the south side of the equator east of 170°W are low and even negative,and the patterns of the sensible and latent heat fluxes over the Indian Ocean during the year of 1983 are similer to that of normal. Spatial patterns of the sensible heat,the latent heat,SST, OLR and the wind speed exhlblt large anomalies during the El Nino event. The corresponding relationships of the spatial distribution of the str. ng exchange of heat fluxes with regions of high SST and action convection of negative anomalies of OLR are relatively complicated. But the region of maximum air and sea heat exchange is in good coincidence with that of high value of the Vs. The strong heat exchange is weakened with the declining and the finishing of the El Nino event in the central tropical Pacific.
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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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