Data of temperature, salinity and disolved oxygen were obtained mainly from July 10 to August 10, 1966. Comprehensive analysis of the factor diagrams on sixteen standard layers and four sections shows there are nine water masses in the whole sea area, i. e., the Kuro-shio Surface Water, the Kuroshio Subsurface Water, the Kuroshio Central Water, the Kuro-shio Deep Water, the Continental Coastal Water, the Taiwan Warm Current Water, the Yellow Sea Water, the Tsushima Warm Current Water and the East China Sea Mixing Water, of which the first six water masses are the chief ones in this area. The paper has also investigated in detail the distribution characteristics of the every water mass. |