By use of IAP9 AGCMⅡ, a numerical experiment is made, in which the influence of the south west Indian Ocean SSTA on the outbreak of the Asian summer monsoon has been discussed.

Advances in Slow-Ultraslow-Spreading Southwest Indian Ridge;

By scanning electron micrography and X-ray energy spectrometer, particulate materials obtained through filtering the seawater taken from the hydrothermal plume region in the Southwest Indian Ridge were analyzed.

Discussion and the scientific significance of IODP drilling to study in the 49°39′E vent field in Southwest Indian Ridge

5° grid point of NCEP 1995~1997, the distribution and evolution of 24-hour temperature changes at 700 hPa are analysed and the source and paths of cold air activity and its seasonal changes are discussed over the South Atlantic Ocean and the South Indian Ocean.

Synoptic Models of Strong Winds over the South Indian Ocean;

Annual Variation Analysis of Sea Wave Field in the South Indian Ocean;

Structure and variability of fronts in the South Indian Ocean along sections from Zhongshan Station to Fremantle;

The CO2 differences (Δp) between Pco2), in the surface seawater and pco2 in the atmo-sphere were determined on the area of the South Indian Ocean during the Eighth ChineseAntarctic Research Expedition, The results of survey indicated that the Δp in the researcharea was -24.