Fig.8. Abnormally saline waters observed along 137-E: by the R/V Shumpu-maru of the Kobe Marine Observatory,JMA, on May 4,1981(a) and on October 13,1981(b), and by the R/V Ryofu-maru of the Japan Meteorological Agency on July 21, 1991(C). Salinity fields and density fields (sigma-t) are shown by full lines and dotted lines, respectively. The abnormally saline water higher than 35.00 is shown by a shaded area.